SMC Networks SMC6624M - Manual

iii Contents Contents 1 Selecting a Management Interface Understanding Management Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Advantages of Using the Menu Interface . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Advantages of Using the CLI . . . . . . . . . . . . . . . . . ...

iv Contents CLI Control and Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15 4 Using the Web Browser Interface General Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Web Browser Interface Requirements ....

v Contents Web: Configuring IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9 How IP Addressing Affects Switch Operation . . . . . . . . . . . . . . . . . . . . 5-9 DHCP/Bootp Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10Network Prep...

vi Contents How the Switch Lists Trunk Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-27 Outbound Traffic Distribution Across Trunked Links . . . . . . . . . . . . 6-27 7 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using Passwor...

vii Contents Web: Configuring IP Authorized Managers . . . . . . . . . . . . . . . . . . . . . 7-34 Building IP Masks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34 Configuring One Station Per Authorized Manager IP Entry . . . . 7-34Configuring Multiple Stat...

viii Contents Using the Menu Interface To View Stack Status And Configure Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12 Using the Menu Interface To View and Configure a Commander Switch . . . . . . . . . . . . . . . . . . . . . . . ...

ix Contents Effect of VLANs on Other Switch Features . . . . . . . . . . . . . . . . . . . . . 9-71 Spanning Tree Protocol Operation with VLANs . . . . . . . . . . . . . 9-71IP Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-71VLAN MAC Addresses . ....

x Contents Menu Access To Status and Counters . . . . . . . . . . . . . . . . . . . . . . . . . 10-3 General System Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4 Menu Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-...

xi Contents Using the Event Log To Identify Problem Sources . . . . . . . . . . . . . 11-10 Menu: Entering and Navigating in the Event Log . . . . . . . . . . . . . . . 11-11 CLI: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-12 Diagnost...

xii Contents C Switch Memory and Configuration Overview of Configuration File Management . . . . . . . . . . . . . . . . . . C-1 Using the CLI To Implement Configuration Changes . . . . . . . . . . . C-3 Using the Menu and Web Browser Interfaces To Implement Configuration Changes . . . . . . . . . ....

1-1 S e le ct in g a Ma nagem e n t In te rfa c e 1 Selecting a Management Interface This chapter describes the following: ■ Management interfaces for the SMC6624M switch ■ Advantages of using each interface Understanding Management Interfaces Management interfaces enable you to reconfigure the swit...

1-2 Selecting a Management Interface Advantages of Using the Menu Interface S e le ct ing a Ma nag em en t In te rf a c e Advantages of Using the Menu Interface Figure 1-1. Example of the Console Interface Display ■ Provides quick, easy management access to a menu-driven subset of switch configurati...

1-3 Selecting a Management Interface Advantages of Using the CLI S e le ct in g a Ma nagem e n t In te rfa c e Advantages of Using the CLI Figure 1-2. Example of The Command Prompt ■ Provides access to the complete set of the switch configuration, perfor-mance, and diagnostic features. ■ Offers out-...

1-4 Selecting a Management Interface Advantages of Using the Web Browser Interface S e le ct ing a Ma nag em en t In te rf a c e Advantages of Using the Web Browser Interface Figure 1-3. Example of the Web Browser Interface ■ Easy access to the switch from anywhere on the network ■ Familiar browser ...

2-1 Usin g the Me n u Inte rfa c e 2 Using the Menu Interface This chapter describes the following features: ■ Overview of the Menu Interface (page 4-1) ■ Starting and ending a Menu session (page 2-2) ■ The Main Menu (page 2-6) ■ Screen structure and navigation (page 2-8) ■ Rebooting the switch (pag...

2-2 Using the Menu Interface Starting and Ending a Menu Session U si n g t h e Me nu I n te rf a c e Menu Interaction with Other Interfaces. ■ A configuration change made through any switch interface overwrites earlier changes made through any other interface. ■ The Menu Interface and the CLI (Comma...

2-3 Using the Menu Interface Starting and Ending a Menu Session Usin g the Me n u Inte rfa c e How To Start a Menu Interface Session In its factory default configuration, the switch console starts with the CLI prompt. To use the menu interface with Manager privileges, go to the Manager level prompt ...

2-4 Using the Menu Interface Starting and Ending a Menu Session U si n g t h e Me nu I n te rf a c e Figure 2-1. The Main Menu with Manager Privileges For a description of Main Menu features, see “Main Menu Features” on page 2-6. N o t e To configure the switch to start with the menu interface inste...

2-5 Using the Menu Interface Starting and Ending a Menu Session Usin g the Me n u Inte rfa c e Figure 2-2. An Asterisk Indicates a Configuration Change Requiring a Reboot 1. In the current session, if you have not made configuration changes that require a switch reboot to activate, return to the Mai...

2-6 Using the Menu Interface Main Menu Features U si n g t h e Me nu I n te rf a c e Main Menu Features Figure 2-3. The Main Menu View with Manager Privileges The Main Menu gives you access to these Menu interface features: ■ Status and Counters: Provides access to display screens showing switch inf...

2-8 Using the Menu Interface Screen Structure and Navigation U si n g t h e Me nu I n te rf a c e Screen Structure and Navigation Menu interface screens include these three elements: ■ Parameter fields and/or read-only information such as statistics ■ Navigation and configuration actions, such as Sa...

2-9 Using the Menu Interface Screen Structure and Navigation Usin g the Me n u Inte rfa c e Table 4-1. How To Navigate in the Menu Interface Task: Actions: Execute an actionfrom the “Actions –>”list at the bottom ofthe screen: Use either of the following methods:• Use the arrow keys ( [<] ,or ...

2-11 Using the Menu Interface Rebooting the Switch Usin g the Me n u Inte rfa c e Rebooting the Switch Rebooting the switch from the menu interface ■ Terminates all current sessions and performs a reset of the operating system ■ Activates any configuration changes that require a reboot ■ Resets stat...

2-13 Using the Menu Interface Menu Features List Usin g the Me n u Inte rfa c e Menu Features List Status and Counters • General System Information • Switch Management Address Information • Port Status • Port Counters • Address Table • Port Address Table • Spanning Tree Information Switch Configurat...

2-14 Using the Menu Interface Where To Go From Here U si n g t h e Me nu I n te rf a c e Where To Go From Here This chapter provides an overview of the menu interface and how to use it. The following table indicates where to turn for detailed information on how to use the individual features availab...

3-1 U sin g the Com m a n d L in e In te rf ace (C LI ) 3 Using the Command Line Interface (CLI) The CLI is a text-based command interface for configuring and monitoring the switch. The CLI gives you access to the switch’s full set of commands while providing the same password protection that is use...

3-2 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) When you use the CLI to make a configuration change, the switch writes the change to the Running-Config file in volatile memory. This allows you to test your configuration changes before...

3-3 Using the Command Line Interface (CLI) Using the CLI U sin g the Com m a n d L in e In te rf ace (C LI ) C a u t i o n SMC strongly recommends that you configure a Manager password. If a Man- ager password is not configured, then the Manager level is not password-protected, and anyone having in-...

3-4 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) Manager Privileges Manager privileges give you three additional levels of access: Manager, Global Configuration, and Context Configuration. (See figure .) A “ # ” character delimits any ...

3-5 Using the Command Line Interface (CLI) Using the CLI U sin g the Com m a n d L in e In te rf ace (C LI ) SMC TigerSwitch 10/100(vlan-10)# Changing Interfaces. If you change from the CLI to the menu interface, or the reverse, you will remain at the same privilege level. For example, entering the ...

3-6 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) How To Move Between Levels Moving Between the CLI and the Menu Interface. When moving between interfaces, the switch retains the current privilege level (Manager or Operator). That is, i...

3-7 Using the Command Line Interface (CLI) Using the CLI U sin g the Com m a n d L in e In te rf ace (C LI ) For example, if you use the CLI to set a Manager password, and then later use the Setup screen (in the menu interface) to set a different Manager password, then the first password will be rep...

3-8 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) Typing ? at the Manager level produces this listing: Figure 3-4. Example of the Manager-Level Command Listing When - - MORE - - appears, there are more commands in the listing. To list t...

3-9 Using the Command Line Interface (CLI) Using the CLI U sin g the Com m a n d L in e In te rf ace (C LI ) As mentioned above, if you type part of a command word and press [Tab], the CLI completes the current word (if you have typed enough of the word for the CLI to distinguish it from other possi...

3-10 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) Thus, if you wanted to create a port trunk group using ports 5 - 8, the above conventions show that you could do so using any of the following forms of the trunk command: SMC TigerSwitc...

3-11 Using the Command Line Interface (CLI) Using the CLI U sin g the Com m a n d L in e In te rf ace (C LI ) Figure 3-7. Example of Context-Sensitive Command-List Help Displaying Help for an Individual Command. You can display Help for any command that is available at the current context level by e...

3-12 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) Figure 3-9. Example of Help for a Specific Instance of a Command Note that if you try to list the help for an individual command from a privilege level that does not include that comman...

3-14 Using the Command Line Interface (CLI) Using the CLI U si n g t h e Co m m a n d Li ne In te rf ac e ( C LI ) VLAN Context. Includes VLAN-specific commands that apply only to the selected VLAN, plus Manager and Operator commands. The prompt for this mode includes the VLAN ID of the selected VLA...

3-15 Using the Command Line Interface (CLI) CLI Control and Editing U sin g the Com m a n d L in e In te rf ace (C LI ) CLI Control and Editing Keystrokes Function [Ctrl] [A] Jumps to the first character of the command line. [Ctrl] [B] or [<] Moves the cursor back one character. [Ctrl] [C] Termin...

4-1 U si n g the Web Bro w ser In te rfa c e 4 Using the Web Browser Interface The web browser interface built into the switch lets you easily access the switch from a browser-based PC on your network. This lets you do the following: ■ Optimize your network uptime by using the Alert Log and other di...

4-2 Using the Web Browser Interface General Features Usi ng t he Web Bro w ser In te rf a c e General Features The SMC6624M switch includes these web browser interface features: Switch Configuration: • Ports • VLANs and Primary VLAN • Port monitoring (mirroring) • System information • Enable/Disable...

4-3 Using the Web Browser Interface Web Browser Interface Requirements U si n g the Web Bro w ser In te rfa c e Web Browser Interface Requirements You can use equipment meeting the following requirements to access the web browser interface on your intranet. Table 4-1. System Requirements for Accessi...

4-4 Using the Web Browser Interface Starting a Web Browser Interface Session with the Switch Usi ng t he Web Bro w ser In te rf a c e Starting a Web Browser Interface Session with the Switch You can start a web browser session in the following ways: ■ Using a standalone web browser on a network conn...

4-6 Using the Web Browser Interface Tasks for Your First Web Browser Interface Session Usi ng t he Web Bro w ser In te rf a c e Tasks for Your First Web Browser Interface Session The first time you access the web browser interface, there are three tasks that you should perform: ■ Review the “First T...

4-7 Using the Web Browser Interface Tasks for Your First Web Browser Interface Session U si n g the Web Bro w ser In te rfa c e This window is the launching point for the basic configuration you need to perform to set web browser interface passwords to maintain security. To set web browser interface...

4-8 Using the Web Browser Interface Tasks for Your First Web Browser Interface Session Usi ng t he Web Bro w ser In te rf a c e To set the passwords: 1. Access the Device Passwords screen by one of the following methods: • If the Alert Log includes a “First Time Install” event entry, double click on...

4-9 Using the Web Browser Interface Tasks for Your First Web Browser Interface Session U si n g the Web Bro w ser In te rfa c e ■ Entering the operator password gives you read and limited write capabil-ities. Using the User Names If you also set user names in the web browser interface screen, you mu...

4-10 Using the Web Browser Interface Support/Mgmt URL Feature Usi ng t he Web Bro w ser In te rf a c e Support/Mgmt URL Feature The Support/Mgmt URL window enables you to change the World Wide Web Universal Resource Locator (URL) for a support information site for your switch. Figure 4-5. The Defaul...

4-11 Using the Web Browser Interface Status Reporting Features U si n g the Web Bro w ser In te rfa c e Status Reporting Features Browser elements covered in this section include: ■ The Overview window (below) ■ Port utilization and status (page ) ■ The Alert log (page ) ■ The Status bar (page ) The...

4-12 Using the Web Browser Interface Status Reporting Features Usi ng t he Web Bro w ser In te rf a c e The Port Utilization and Status Displays The Port Utilization and Status displays show an overview of the status of the switch and the amount of network activity on each port. The following figure...

4-13 Using the Web Browser Interface Status Reporting Features U si n g the Web Bro w ser In te rfa c e ■ Maximum Activity Indicator: As the bars in the graph area change height to reflect the level of network activity on the corresponding port, they leave an outline to identify the maximum activity...

4-14 Using the Web Browser Interface Status Reporting Features Usi ng t he Web Bro w ser In te rf a c e Port Status Figure 4-10. The Port Status Indicators and Legend The Port Status indicators show a symbol for each port that indicates the general status of the port. There are four possible statuse...

4-15 Using the Web Browser Interface Status Reporting Features U si n g the Web Bro w ser In te rfa c e The Alert Log The web browser interface Alert Log, shown in the lower half of the screen, shows a list of network occurrences, or alerts , that were detected by the switch. Typical alerts are Broa...

4-16 Using the Web Browser Interface Status Reporting Features Usi ng t he Web Bro w ser In te rf a c e Alert Types The following table lists the types of alerts that can be generated. Table 4-2. Alert Strings and Descriptions Alert String Alert Description First Time Install Important installation ...

4-17 Using the Web Browser Interface Status Reporting Features U si n g the Web Bro w ser In te rfa c e N o t e When troubleshooting the sources of alerts, it may be helpful to check the switch’s Port Status and Port Counter windows and the Event Log in the console interface. Viewing Detail Views of...

4-18 Using the Web Browser Interface Status Reporting Features Usi ng t he Web Bro w ser In te rf a c e Table 4-3. Status Indicator Key ■ System Name. The name you have configured for the switch by using Identity screen, system name command, or the switch console System Information screen. ■ Most Cr...

5-1 Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and 5 Configuring IP Addressing, Interface Access, and System Information This chapter describes the switch configuration features available in the menu interface, CLI and web browser interface. For help on how to use these interfaces, ...

5-2 Configuring IP Addressing, Interface Access, and System Information IP Configuration C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d IP Configuration IP Configuration Features IP Address and Subnet Mask. Configuring the switch with an IP address expands your ability to manage th...

5-3 Configuring IP Addressing, Interface Access, and System Information IP Configuration Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and Timep Operation. Use this optional parameter if you want the switch to get its time information from another device operating as a Timep server. In...

5-4 Configuring IP Addressing, Interface Access, and System Information IP Configuration C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d ■ The IP addressing used in the switch should be compatible with your network. That is, the IP address must be unique and the subnet mask must be ...

5-5 Configuring IP Addressing, Interface Access, and System Information IP Configuration Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and To Configure IP Addressing. 1. From the Main Menu, Select. 2. Switch Configuration ... 5. IP Configuration N o t e If multiple VLANs are configured...

5-7 Configuring IP Addressing, Interface Access, and System Information IP Configuration Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and Viewing the Current IP Configuration. The following command displays the IP addressing for each VLAN configured in the switch. If only the DEFAULT_...

5-8 Configuring IP Addressing, Interface Access, and System Information IP Configuration C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Configure an IP Address and Subnet Mask. The following command includes both the IP address and the subnet mask. You must either include the ID of...

5-9 Configuring IP Addressing, Interface Access, and System Information IP Configuration Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and In the CLI, you can execute this command only from the global configuration level. The TTL range is 2 - 255 seconds. Configure the Optional Timep S...

5-10 Configuring IP Addressing, Interface Access, and System Information IP Configuration C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Table 5-1. Features Available With and Without IP Addressing on the Switch DHCP/Bootp Operation Overview. DHCP/Bootp is used to provide configura...

5-11 Configuring IP Addressing, Interface Access, and System Information IP Configuration Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and 1. DHCP/Bootp requests are automatically broadcast on the local network. (The switch sends one type of request to which either a DHCP or Bootp ser...

5-12 Configuring IP Addressing, Interface Access, and System Information IP Configuration C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Bootp Operation. When a Bootp server receives a request it searches its Bootp database for a record entry that matches the MAC address in the Boo...

5-13 Configuring IP Addressing, Interface Access, and System Information IP Configuration Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and N o t e The above Bootp table entry is a sample that will work for the SMC6624M when the appropriate addresses and file names are used. Network Pr...

5-14 Configuring IP Addressing, Interface Access, and System Information IP Configuration C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Globally Assigned IP Network Addresses If you intend to connect your network to other networks that use globally administered IP addresses, SMC s...

5-15 Configuring IP Addressing, Interface Access, and System Information Interface Access: Console/Serial Link, Web, and Inbound Telnet Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and Interface Access: Console/Serial Link, Web, and Inbound Telnet Interface Access Features In most cas...

5-16 Configuring IP Addressing, Interface Access, and System Information Interface Access: Console/Serial Link, Web, and Inbound Telnet C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Menu: Modifying the Interface Access The menu interface enables you to modify these parameters: ■ I...

5-17 Configuring IP Addressing, Interface Access, and System Information Interface Access: Console/Serial Link, Web, and Inbound Telnet Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and CLI: Modifying the Interface Access Interface Access Commands Used in This Section Listing the Curre...

5-18 Configuring IP Addressing, Interface Access, and System Information Interface Access: Console/Serial Link, Web, and Inbound Telnet C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Reconfigure Web Browser Access. In the default configuration, web browser access is enabled. Syntax...

5-19 Configuring IP Addressing, Interface Access, and System Information Interface Access: Console/Serial Link, Web, and Inbound Telnet Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and Figure 5-6. Example of Executing the Console Command with Multiple Parameters You can also execute a...

5-20 Configuring IP Addressing, Interface Access, and System Information System Information C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d System Information System Information Features Configuring system information is optional, but recommended. System Name: Using a unique name he...

5-21 Configuring IP Addressing, Interface Access, and System Information System Information Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and Daylight Time Rule: Specifies the daylight savings time rule to apply for your location. The default is None . (For more on this topic, see appe...

5-22 Configuring IP Addressing, Interface Access, and System Information System Information C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d CLI: Viewing and Configuring System Information System Information Commands Used in This Section Listing the Current System Information. This c...

5-23 Configuring IP Addressing, Interface Access, and System Information System Information Con fig u rin g IP Ad d re ssin g , In te rf ace A c cess , and Figure 5-10. System Information Listing After Executing the Preceding Commands Reconfigure the Age Interval for Learned MAC Addresses. This com-...

5-24 Configuring IP Addressing, Interface Access, and System Information System Information C onf ig uri n g I P Ad dre ssi ng, In te rf a ce Acc e ss, an d Configure the Time and Date. The switch uses the time command to con- figure both the time of day and the date. Also, executing time without pa...

6-1 Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and 6 Optimizing Port Usage Through Traffic Control and Port Trunking Overview This chapter includes: ■ Configuring ports, including mode (speed and duplex), flow control, and broadcast control parameters (page 6-1) ■ Creating and modifying a...

6-2 Optimizing Port Usage Through Traffic Control and Port Trunking Viewing Port Status and Configuring Port Parameters Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Table 6-1. Status and Parameters for Each Port Type Status or Parameter Description Intrusion Alert(read-only) Yes: ...

6-3 Optimizing Port Usage Through Traffic Control and Port Trunking Viewing Port Status and Configuring Port Parameters Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and 100/1000Base-T ports:• Auto (default): Senses speed and negotiates with the port at the other end of the link for port ope...

6-4 Optimizing Port Usage Through Traffic Control and Port Trunking Viewing Port Status and Configuring Port Parameters Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Menu: Viewing Port Status and Configuring Port Parameters From the menu interface, you can configure and view all po...

6-6 Optimizing Port Usage Through Traffic Control and Port Trunking Viewing Port Status and Configuring Port Parameters Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Syntax: show interfacesshow interface config The next two figures list examples of the output of the above two comma...

6-7 Optimizing Port Usage Through Traffic Control and Port Trunking Viewing Port Status and Configuring Port Parameters Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Using the CLI To Configure Ports. You can configure one or more of the following port parameters. For details on each opti...

6-8 Optimizing Port Usage Through Traffic Control and Port Trunking Viewing Port Status and Configuring Port Parameters Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Web: Viewing Port Status and Configuring Port Parameters In the web browser interface: 1. Click on the Configuration...

6-9 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Port Trunking Port Status and ConfigurationFeature s Port trunking allows you to assign up to four physical links to one logical link (trunk) that functions as ...

6-10 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Port Connections and Configuration: All port trunk links must be point- to-point connections between the SMC6624M and another switch, router, server, or ...

6-11 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Fault Tolerance: If a link in a port trunk fails, the switch redistributes traffic originally destined for that link to the remaining links in the trunk. The t...

6-12 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Table 6-4. Trunk Configuration Protocols Protocol Trunking Options LACP (802.3ad) Provides dynamic and static LACP trunking options.• Dynamic LACP — Use ...

6-14 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Spanning Tree Protocol (STP): STP operates as a global setting on the switch (one instance of STP per switch). However, you can adjust STP parameters on ...

6-15 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Menu: Viewing and Configuring a Static Trunk Group I m p o r t a n t Configure port trunking before you connect the trunked links to another switch, routing sw...

6-16 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d switch automatically adjusts Broadcast Limit settings to be the same for all ports in a trunk.) To verify these settings, see “Viewing Port Status and Co...

6-17 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and 8. Connect the trunked ports on the switch to the corresponding ports on the opposite device. If you previously disabled any of the trunked ports on the switch...

6-18 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d The show trunk command in this example does not include a port list. As a result, the listing shows static trunk group information for all switch ports. ...

6-19 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Figure 6-9. Example of a Dynamic LACP Trunk with One Standby Link Using the CLI To Configure a Static or Dynamic Trunk Group I m p o r t a n t Configure port t...

6-20 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d You can configure trunk group types as follows: N o t e The following examples show how to create different types of trunk groups. However, the SMC6624M ...

6-21 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Enabling a Dynamic LACP Trunk Group. In the default port configura- tion, all ports on the switch are set to LACP passive. However, to enable the switch to aut...

6-22 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Removing Ports from a Dynamic LACP Trunk Group. To remove a port from dynamic LACP trunk operation, you must turn off LACP on the port. (On a port in an ...

6-23 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and Trunk Group Operation Using LACP The switch can automatically configure a dynamic LACP trunk group or you can manually configure a static LACP trunk group. The...

6-24 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Default Port Operation In the default configuration, all ports are configured for passive LACP. How-ever, if LACP is not configured, the port will not tr...

6-25 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and LACP Notes and Restrictions Changing Trunking Methods. The switch supports one trunk group. Thus, a port belonging to an LACP dynamic trunk (Dyn1) cannot be co...

6-26 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d Half-Duplex and/or Different Port Speeds Not Allowed in LACP Trunks. The ports on both sides of a trunk must be configured for the same speed and for ful...

6-27 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Optimiz in g Port Usa g e Throug h Tr af fic Cont rol and ■ Depending on the capabilities of the device on the other end of the trunk, negotiate the forwarding mechanism on the trunk to the non-protocol option. ■ When...

6-28 Optimizing Port Usage Through Traffic Control and Port Trunking Port Trunking Op timiz in g Po rt Usa g e Thr oug h Tr af fi c Co nt rol an d and sends traffic from the same source address to a different destination address through a different link, depending on the rotation of path assign-ment...

7-2 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using Password Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Using Password Security Password Features Console access includes both the menu interface and the CLI. Ther...

7-3 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using Password Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P If you set a Manager password, you may also want to configure the Inactivity Time parameter (see page 5-15). T...

7-4 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using Password Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Figure 7-1. The Set Password Screen 2. To set a new password: a. Select Set Manager Password or Set Operato...

7-5 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using Password Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P To Recover from a Lost Manager Password: If you cannot start a con- sole session at the manager level because ...

7-6 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using Password Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Web: Configuring User Names and Passwords In the web browser interface you can enter both user names and pa...

7-7 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Configuring and Monitoring Port Security Using Port Security, you can configure each switch p...

7-8 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP ■ Intrusion Log entries in either the menu interface, CLI, or web browser interface For an...

7-9 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Figure 7-3. Example of How Port Security Controls Access N o t e Broadcast and Multicast traf...

7-10 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP b. Which devices (MAC addresses) are authorized on each port (up to 8 per port)? c. For e...

7-11 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P CLI: Port Security Command Options and Operation Port Security Commands Used in This Section...

7-12 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Table 7-1. Port Security Parameters Parameter Description Port List <[ethernet] port-l...

7-14 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP CLI: Displaying Current Port Security Settings The CLI uses the same command to provide t...

7-15 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Figure 7-5. Example of the Port Security Configuration Display for a Single Port The followi...

7-16 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Specifying Authorized Devices and Intrusion Responses. This exam- ple configures port 1 t...

7-17 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P With the above configuration for port 1, the following command adds the 0c0090-456456 MAC ad...

7-18 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP simultaneously increase the limit and add the MAC address with a single command. For exam...

7-19 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P N o t e You can reduce the address limit below the number of currently authorized addresses ...

7-20 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Web: Displaying and Configuring Port Security Features 1. Click on the Security tab. 2. C...

7-21 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P How the Intrusion Log Operates When the switch detects an intrusion attempt on a port, it en...

7-22 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Menu: Checking for Intrusions, Listing Intrusion Alerts, and Resetting Alert Flags The me...

7-23 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P The above example shows two intrusions for port 3 and one intrusion for port 1. In this case...

7-24 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Syntax: show interface List Intrusion Alert status. show intrusion-log List Intrusion Log...

7-25 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P full and new intrusions are subsequently added.) The “ prior to ” text in the record for the...

7-26 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Figure 7-12. Example of Log Listing With and Without Detected Security Violation From the...

7-27 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Configuring and Monitoring Port Security Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P ■ Enter your PC or workstation MAC address in the port’s Authorized Addresses list. ■ Enter ...

7-28 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Using IP Authorized Managers Authorized IP Manager Features This feature enables you to enhance secur...

7-29 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Access Levels For each authorized manager address, you can configure either of these access levels: ■ Ma...

7-30 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Overview of IP Mask Operation The default IP Mask is 255.255.255.255 and allows switch access only to...

7-31 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Menu: Viewing and Configuring IP Authorized Managers From the console Main Menu, select: 2. Switch Confi...

7-32 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Editing or Deleting an Authorized Manager Entry. Go to the IP Manag- ers List screen (figure 7-13), h...

7-33 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Configuring IP Authorized Managers for the Switch Syntax: ip authorized-managers <ip address> [mas...

7-34 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP The following command replaces the existing mask and access level for IP address 10.28.227.101 with 2...

7-35 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Table 7-2. Analysis of IP Mask for Single-Station Entries Configuring Multiple Stations Per Authorized M...

7-36 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usi ng P a sswo rds, P o rt Se c u rity, a n d A u th o riz e d IP Table 7-3. Analysis of IP Mask for Multiple-Station Entries Figure 7-16. Example of How the Bitmap in...

7-37 Using Passwords, Port Security, and Authorized IP Managers To Protect Against Unauthorized Access Using IP Authorized Managers Usin g Pa sswo rds, P o rt S ecu ri ty , and Au th or iz ed I P Additional Examples for Authorizing Multiple Stations Operating and Troubleshooting Notes ■ Network Secu...

8-2 Configuring for Network Management Applications SNMP Management Features Mo ni to ri ng a nd Ma na gi ng the S w it c h SNMP Management Features SNMP management features on the switch include: ■ SNMP version 2c over IP ■ Security via configuration of SNMP communities ■ Event reporting via SNMP •...

8-3 Configuring for Network Management Applications Configuring for SNMP Access to the Switch Moni to ri ng a n d Manag ing the S w itc h The switch SNMP agent also uses certain variables that are included in an SMC proprietary MIB file you can add to the SNMP database in your network management too...

8-5 Configuring for Network Management Applications SNMP Communities Moni to ri ng a n d Manag ing the S w itc h SNMP Communities SNMP Community Features Use SNMP communities to restrict access to the switch by SNMP management stations by adding, editing, or deleting SNMP communities. You can config...

8-6 Configuring for Network Management Applications SNMP Communities Mo ni to ri ng a nd Ma na gi ng the S w it c h Figure 8-1. The SNMP Communities Screen (Default Values) 2. Press [A] (for Add ) to display the following screen: Figure 8-2. The SNMP Add or Edit Screen Need Help? If you need informa...

8-7 Configuring for Network Management Applications SNMP Communities Moni to ri ng a n d Manag ing the S w itc h CLI: Viewing and Configuring Community Names Community Name Commands Used in This Section Listing Current Community Names and Values Listing Community Names. This command lists the data f...

8-8 Configuring for Network Management Applications SNMP Communities Mo ni to ri ng a nd Ma na gi ng the S w it c h SMC TigerSwitch 10/100# show snmp-server public Configuring Identity Information This command enables you to enter contact-person and location data to help identify the switch. Syntax:...

8-9 Configuring for Network Management Applications Trap Receivers and Authentication Traps Moni to ri ng a n d Manag ing the S w itc h Trap Receivers and Authentication Traps Trap Features A trap receiver is a management station designated by the switch to receive SNMP traps sent from the switch. A...

8-10 Configuring for Network Management Applications Trap Receivers and Authentication Traps Mo ni to ri ng a nd Ma na gi ng the S w it c h CLI: Configuring and Displaying Trap Receivers Trap Receiver Commands Used in This Section Using the CLI To List Current SNMP Trap Receivers This command lists ...

8-11 Configuring for Network Management Applications Trap Receivers and Authentication Traps Moni to ri ng a n d Manag ing the S w itc h Configuring Trap Receivers This command specifies trap receivers by community membership, manage-ment station IP address, and the type of Event Log messages to sen...

8-12 Configuring for Network Management Applications Advanced Management: RMON Support Mo ni to ri ng a nd Ma na gi ng the S w it c h Advanced Management: RMON Support The switch supports RMON (Remote Monitoring) on all connected network segments. This allows for troubleshooting and optimizing your ...

9-1 C o nf ig u ring Adva nced Featu res 9 Configuring Advanced Features This chapter describes the following features and how to configure them with the switch’s built-in interfaces: ■ Stack Management (Page 9-2): Use your network to stack switches without the need for any specialized cabling. ■ Po...

9-2 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Stack Management Stacking Features Stack Management (termed stacking ) enables you to use a single IP address and standard network cabling to manage a group of up to 16 SMC6624M switches in the same IP subnet (...

9-3 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res ■ Simplify management of small workgroups or wiring closets while scaling your network to handle increased bandwidth demand. ■ Eliminate any specialized cables for stacking connectivity and remove the distance ba...

9-4 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Components of Stack Management Table 9-1. Stacking Definitions Figure 9-1. Illustration of a Switch Moving from Candidate to Member General Stacking Operation After you configure one switch to operate as the Co...

9-5 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Figure 9-2. Example of Stacking with One Commander Controlling Access to Wiring Closet Switches Interface Options. You can configure stacking through the switch’s menu interface, CLI, or the web browser interface...

9-6 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res ■ There is no limit on the number of stacks in the same IP subnet (broadcast domain), however a switch can belong to only one stack. ■ If multiple VLANs are configured, stacking uses only the primary VLAN on an...

9-8 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Overview of Configuring and Bringing Up a Stack This process assumes that: ■ All switches you want to include in a stack are connected to the same subnet (broadcast domain). ■ If VLANs are enabled on the switch...

9-9 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Table 9-3. Stacking Configuration Guide The easiest way to automatically create a stack is to: 1. Configure a switch as a Commander. 2. Configure IP addressing and a stack name on the Commander. 3. Set the Comman...

9-10 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res General Steps for Creating a Stack This section describes the general stack creation process. For the detailed configuration processes, see pages 9-12 through 9-36 for the menu interface and pages 9-29 through...

9-11 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res 3. For automatically or manually pulling Candidate switches into a stack, you can leave such switches in their default stacking configuration. If you need to access Candidate switches through your network before...

9-12 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Using the Menu Interface To View Stack Status And Configure Stacking Using the Menu Interface To View and Configure a Commander Switch 1. Configure an IP address and subnet mask on the Commander switch. (See “...

9-13 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Figure 9-6. The Default Stack Configuration Screen 4. Move the cursor to the Stack State field by pressing [E] (for Edit ). Then use the Space bar to select the Commander option. 5. Press the downarrow key to di...

9-14 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res • No (the default) prevents automatic joining of Candidates that have their Auto Join set to Yes . • Yes enables the Commander to automatically take a Candidate into the stack as a Member if the Candidate has ...

9-15 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Table 9-4.Candidate Configuration Options in the Menu Interface Using the Menu To “Push” a Switch Into a Stack, Modify the Switch’s Configuration, or Disable Stacking on the Switch. Use Telnet or the web browser...

9-16 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res 4. Do one of the following: • To disable stacking on the Candidate, use the Space bar to select the Disabled option, then go to step 5. Note: Using the menu interface to disable stacking on a Candidate removes...

9-17 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Using the Commander’s Menu To Manually Add a Candidate to a Stack. In the default configuration, you must manually add stack Members from the Candidate pool. Reasons for a switch remaining a Candidate instead of...

9-18 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Figure 9-10. Example of Candidate List in Stack Management Screen 3. Either accept the displayed switch number or enter another available number. (The range is 0 - 15, with 0 reserved for the Commander.) 4. Us...

9-19 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Figure 9-11. Example of Stack Management Screen After New Member Added Using the Commander’s Menu To Move a Member From One Stack to Another. Where two or more stacks exist in the same subnet (broadcast domain),...

9-20 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Figure 9-12. Example of How the Stacking Status (All) Screen Helps You Find Member MAC Addresses 3. In the Stacking Status (All) screen, find the Member switch that you want to move and note its MAC address, t...

9-22 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res 4. Stack Management You will then see the Stack Management screen: Figure 9-13. Example of Stack Management Screen with Stack Members Listed 2. Use the downarrow key to select the Member you want to remove fro...

9-23 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Using the Commander To Access Member Switches for Configuration Changes and Monitoring Traffic After a Candidate becomes a stack Member, you can use that stack’s Commander to access the Member’s console interfac...

9-24 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Figure 9-17. The eXecute Command Displays the Console Main Menu for the Selected Stack Member 2. You can now make configuration changes and/or view status data for the selected Member in the same way that you ...

9-25 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res 3. Press [B] (for Back ) to return to the Stacking Menu. 4. To display Stack Configuration menu for the switch you are moving, select 3. Stack Configuration 5. Press [E] (for Edit ) to select the Stack State par...

9-26 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Using Any Stacked Switch To View the Status for All Switches with Stacking Enabled. This procedure displays the general status of all switches in the IP subnet (broadcast domain) that have stacking enabled. 1....

9-28 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Figure 9-20. Example of a Member’s Stacking Status Screen Viewing Candidate Status. This procedure displays the Candidate’s stacking configuration. To display the status for a Candidate: 1. Use Telnet (if the ...

9-31 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Using the CLI To View Stack Status You can list the stack status for an individual switch and for other switches that have been discovered in the same subnet. Syntax: show stack [candidates | view | all] Viewing...

9-32 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Viewing the Status of all Stack-Enabled Switches Discovered in the IP Subnet. The next example lists all the stack-configured switches discovered in the IP subnet. Because the SMC6624M on which the show stack ...

9-33 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Using the CLI To Configure a Commander Switch You can configure any stacking-enabled switch to be a Commander as long as the intended stack name does not already exist on the broadcast domain. (When you configur...

9-34 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Figure 9-26. Example of the Commander’s Show Stack Screen with Only the Commander Discovered Using a Member’s CLI to Convert the Member to the Commander of a New Stack. This procedure requires that you first r...

9-35 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Figure 9-27. Example of Using a Member’s CLI To Convert the Member to the Commander of a New Stack Adding to a Stack or Moving Switches Between Stacks You can add switches to a stack by adding discovered Candida...

9-36 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Using the Commander’s CLI To Manually Add a Candidate to the Stack. To manually add a candidate, you will use: ■ A switch number ( SN ) to assign to the new member. Member SNs range from 1 to 15. To see which ...

9-37 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res For example, if the switch named “DEFAULT_CONFIG” in the above listing did not have a Manager password and you wanted to make it a stack Member with an SN of 2 , you would execute the following command: SMC Tige...

9-38 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Using a Candidate CLI To Manually “Push” the Candidate Into a Stack . Use this method if any of the following apply: ■ The Candidate’s Auto Join is set to Yes (and you do not want to enable Auto Grab on the Co...

9-39 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Syntax: stack member < switch-number > mac-address < mac-addr > [password< password-str >] In the destination Commander, use show stack all to find the MAC address of the Member you want to pul...

9-40 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Syntax: no stack name <stack name> stack join <mac-address> If you don’t know the MAC address of the destination Commander, you can use show stack all to identify it. For example, suppose you have ...

9-41 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Syntax: [no] stack member < switch-num > mac-address < mac-addr > Use show stack view to list the stack Members. For example, suppose that you wanted to use the Commander to remove the “North Sea” Me...

9-42 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res Figure 9-35. Example of How To Identify the Commander’s MAC Address from a Member Switch You would then execute this command in the “North Sea” switch’s CLI to remove the switch from the stack: North Sea(confi...

9-44 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res SNMP Community Operation in a Stack Community Membership In the default stacking configuration, when a Candidate joins a stack, it automatically becomes a Member of any SNMP community to which the Commander be...

9-45 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res Note that in the above example (figure 9-37) you cannot use the public community through the Commander to access any of the Member switches. For example, you can use the public community to access the MIB in swi...

9-46 Configuring Advanced Features Stack Management Co nf ig u ri ng Adva nce d Feat u res ■ Stacking uses only the primary VLAN on each switch in a stack. ■ The primary VLAN can be tagged or untagged as needed in the stacking path from switch to switch. ■ The same VLAN ID (VID) must be assigned to ...

9-47 Configuring Advanced Features Stack Management C o nf ig u ring Adva nced Featu res 3. Click on [Apply Changes] to save any configuration changes for the individual switch. 4. If the switch is a Commander, use the [Stack Closeup] and [Stack Man-agement] buttons for viewing and using stack featu...

9-48 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Port-Based Virtual LANs (Static VLANs) VLAN Features A VLAN is a group of ports designated by the switch as belonging to the same broadcast domain. (That is, all ports carrying traffic fo...

9-49 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res saved by not allowing packets to flood out all ports. An external router is required to enable separate VLANs on a switch to communicate with each other. For example, referring to figure 9-...

9-50 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Figure 9-40. Example of Overlapping VLANs Using the Same Server Similarly, using 802.1Q-compliant switches, you can connect multiple VLANs through a single switch-to-switch link. Figure 9...

9-51 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res Figure 9-42. Example of Tagged and Untagged VLAN Technology in the Same Network For more information on VLANs, refer to: ■ “Overview of Using VLANs” (page 9-51) ■ “Menu: Configuring VLAN Pa...

9-52 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res DHCP or Bootp on different VLANs do not result in conflicting configuration values for the switch. The primary VLAN is the VLAN the switch uses to run and manage these features and data. ...

9-53 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res Figure 9-43. Comparing Per-Port VLAN Options With and Without GVRP Table 9-7. Per-Port VLAN Configuration Options Example of Per-Port VLAN Configuration with GVRP Disabled (the default) Exa...

9-54 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res General Steps for Using VLANs 1. Plan your VLAN strategy and create a map of the logical topology that will result from configuring VLANs. Include consideration for the interaction betwee...

9-55 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res Menu: Configuring VLAN Parameters In the factory default state, VLAN support is enabled. Also, all ports on the switch belong to the default VLAN (DEFAULT_VLAN) and are in the same broadcas...

9-56 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res ■ To select another primary VLAN, select the Primary VLAN field and use the space bar to select from the existing options. ■ To enable or disable dynamic VLANs, select the GVRP Enabled fi...

9-57 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res Adding or Editing VLAN Names Use this procedure to add a new VLAN or to edit the name of an existing VLAN. 1. From the Main Menu select: 2. Switch Configuration 8. VLAN Menu . . . 2. VLAN N...

9-58 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Figure 9-47. Example of VLAN Names Screen with a New VLAN Added 6. Repeat steps 2 through 5 to add more VLANs. Remember that you can add VLANs until you reach the number specified in the ...

9-60 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Figure 9-49. Example of VLAN Assignments for Specific Ports For information on VLAN tags (“Untagged” and “Tagged”), refer to “VLAN Tagging Information” on page 9-67. d. If you are finishe...

9-61 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res VLAN Commands Used in this Section Displaying the Switch’s VLAN Configuration. The next command lists the VLANs currently running in the switch, with VID, VLAN name, and VLAN status. Dynami...

9-62 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Displaying the Configuration for a Particular VLAN . This command uses the VID to identify and display the data for a specific static or dynamic VLAN. Syntax: show vlan < vlan-id > ...

9-63 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res Changing the Number of VLANs Allowed on the Switch. By default, the switch allows a maximum of 8 VLANs. You can specify any value from 1 to 30. (If GVRP is enabled, this setting includes an...

9-66 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res operation. Note that Auto is the default per-port setting for a static VLAN ifGVRP is runing on the switch. (For information on dynamic VLAN and GVRP operation, see “GVRP” on page 9-74.) ...

9-67 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res To configure static VLAN port parameters, you will need to use the menu interface (available by Telnet from the web browser interface) or the CLI. 1. Click on the Configuration tab. 2. Clic...

9-68 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Figure 9-54. Example of Tagged and Untagged VLAN Port Assignments ■ In switch X: • VLANs assigned to ports X1 - X6 can all be untagged because there is only one VLAN assignment per port. ...

9-69 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res N o t e Each 802.1Q-compliant VLAN must have its own unique VID number, and that VLAN must be given the same VID in every device in which it is configured. That is, if the Red VLAN has a VI...

9-70 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res Figure 9-56. Example of Networked 802.1Q-Compliant Devices with Multiple VLANs on Some Ports The VLANs assigned to ports X3, X4, Y2, Y3, and Y4 can all be untagged because there is only o...

9-71 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res To summarize: Effect of VLANs on Other Switch Features Spanning Tree Protocol Operation with VLANs Because the SMC6624M switch follows the 802.1Q VLAN recommendation to use single-instance ...

9-72 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) Co nf ig u ri ng Adva nce d Feat u res VLAN MAC Addresses The switch has one unique MAC address for each of its VLAN interfaces. You can send an 802.2 test packet to this MAC address to verify connectivity to the switch. Likew...

9-73 Configuring Advanced Features Port-Based Virtual LANs (Static VLANs) C o nf ig u ring Adva nced Featu res VLAN Restrictions ■ A port must be a member of at least one VLAN. In the factory default configuration, all ports are assigned to the default VLAN (DEFAULT_VLAN; VID = 1). ■ A port can be a...

9-74 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res GVRP GVRP—GARP VLAN Registration Protocol—is an application of the Generic Attribute Registration Protocol—GARP. GVRP is defined in the IEEE 802.1Q standard, and GARP is defined in the IEEE 802.1P standard. N o t e To und...

9-75 Configuring Advanced Features GVRP C o nf ig u ring Adva nced Featu res N o t e There must be one common VLAN (that is, one common VID) connecting all of the GVRP-aware devices in the network to carry GVRP packets. SMC recommends the default VLAN (DEFAULT_VLAN; VID = 1), which is automat-ically...

9-76 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res Note that if a static VLAN is configured on at least one port of a switch, and that port has established a link with another device, then all other ports of that switch will send advertisements for that VLAN. For example,...

9-77 Configuring Advanced Features GVRP C o nf ig u ring Adva nced Featu res ■ If the switch already has a static VLAN assignment with the same VID as in the advertisement, and the port is configured to Auto for that VLAN, then the port will dynamically join the VLAN and begin moving that VLAN’s tra...

9-78 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res Table 9-8. Options for Handling “Unknown VLAN” Advertisements: The CLI show gvrp command and the menu interface VLAN Support screen show a switch’s current GVRP configuration, including the Unknown VLAN settings. Figure 9...

9-79 Configuring Advanced Features GVRP C o nf ig u ring Adva nced Featu res Per-Port Options for Dynamic VLAN Advertising and Joining Initiating Advertisements. As described in the preceding section, to enable dynamic joins, GVRP must be enabled and a port must be configured to Learn (the default)....

9-80 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res As the above table indicates, when you enable GVRP, a port that has a Tagged or Untagged static VLAN has the option for both generating advertisements and dynamically joining other VLANs. N o t e In table 9-9, above, the ...

9-81 Configuring Advanced Features GVRP C o nf ig u ring Adva nced Featu res Planning for GVRP Operation These steps outline the procedure for setting up dynamic VLANs for a seg-ment. 1. Determine the VLAN topology you want for each segment (broadcast domain) on your network. 2. Determine the VLANs ...

9-82 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res 2. Switch Configuration . . . 8. VLAN Menu . . . 1. VLAN Support Figure 9-60. The VLAN Support Screen (Default Configuration) 2. Do the following to enable GVRP and display the Unknown VLAN fields: a. Press [E] (for Edit ...

9-83 Configuring Advanced Features GVRP C o nf ig u ring Adva nced Featu res CLI: Viewing and Configuring GVRP GVRP Commands Used in This Section Displaying the Switch’s Current GVRP Configuration. This command shows whether GVRP is disabled, along with the current settings for the maximum number of...

9-84 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res Enabling and Disabling GVRP on the Switch. This command enables GVRP on the switch. Syntax: gvrp This example enables GVRP: SMC TigerSwitch 10/100(config)# gvrp This example disables GVRP operation on the switch: SMC Tige...

9-85 Configuring Advanced Features GVRP C o nf ig u ring Adva nced Featu res Displaying the Static and Dynamic VLANs Active on the Switch. The show vlans command lists all VLANs present in the switch. Syntax: show vlans For example, in the following illustration, switch “A” has one static VLAN (the ...

9-86 Configuring Advanced Features GVRP Co nf ig u ri ng Adva nce d Feat u res Converting a Dynamic VLAN to a Static VLAN. If a port on the switch has joined a dynamic VLAN, you can use the following command to convert that dynamic VLAN to a static VLAN: Syntax: static < dynamic - vlan-id > Fo...

9-89 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) C o nf ig u ring Adva nced Featu res Enabling IGMP allows the ports to detect IGMP queries and report packets and manage IP multicast traffic through the switch. If no other querier is detected, the switch will th...

9-90 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) Co nf ig u ri ng Adva nce d Feat u res • Blocked: Causes the switch to drop all IGMP transmissions received from a specific port and to block all outgoing IP Multicast packets for that port. This has the effect of...

9-91 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) C o nf ig u ring Adva nced Featu res Viewing the Current IGMP Configuration. This command lists the IGMP configuration for all VLANs configured on the switch or for a specific VLAN. Syntax: show ip igmp config IGM...

9-92 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) Co nf ig u ri ng Adva nce d Feat u res Figure 9-66. Example Listing of IGMP Configuration for A Specific VLAN Enabling or Disabling IGMP on a VLAN. You can enable IGMP on a VLAN, along with the last-saved or defau...

9-93 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) C o nf ig u ring Adva nced Featu res Configuring Per-Port IGMP Packet Control. Use this command in the VLAN context to specify how each port should handle IGMP traffic. Syntax: vlan < vid > ip igmp [auto <...

9-94 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) Co nf ig u ri ng Adva nce d Feat u res SMC TigerSwitch 10/100(vlan 1)# no ip igmp high-priority- forward Returns IGMP traffic to “normal” priority. SMC TigerSwitch 10/100> show ip igmp config Show command to di...

9-95 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) C o nf ig u ring Adva nced Featu res to or from the same source(s) is termed a multicast group , and all devices in the group use the same multicast group address. The multicast group running version 2 of IGMP use...

9-96 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) Co nf ig u ri ng Adva nce d Feat u res ■ Switch 2 is recognizing IGMP traffic and learns that PC 4 is in the IP multicast group receiving multicast data from the video server (PC X). Switch 2 then sends the multic...

9-98 Configuring Advanced Features Multimedia Traffic Control with IP Multicast (IGMP) Co nf ig u ri ng Adva nce d Feat u res N o t e : IP Multicast Filters. IP multicast addresses occur in the range from 224.0.0.0 through 239.255.255.255 (which corresponds to the Ethernet multi-cast address range o...

9-99 Configuring Advanced Features Spanning Tree Protocol (STP) C o nf ig u ring Adva nced Featu res Spanning Tree Protocol (STP) STP Features The switch uses the IEEE 802.1D Spanning Tree Protocol (STP), when enabled, to ensure that only one path at a time is active between any two nodes on the net...

9-100 Configuring Advanced Features Spanning Tree Protocol (STP) Co nf ig u ri ng Adva nce d Feat u res STP Fast Mode for Overcoming Server Access Failures. If an end node is configured to automatically access a server, the duration of the STP startup sequence can result in a “server access failure”...

9-101 Configuring Advanced Features Spanning Tree Protocol (STP) C o nf ig u ring Adva nced Featu res ) Figure 9-69. Example of the STP Configuration Screen 4. If the remaining STP parameter settings are adequate for your network, go to step 8. 5. Use [Tab] or the arrow keys to select the next param...

9-102 Configuring Advanced Features Spanning Tree Protocol (STP) Co nf ig u ri ng Adva nce d Feat u res CLI: Configuring STP STP Commands Used in This Section Viewing the Current STP Configuration. Regardless of whether STP is disabled (the default), this command lists the switch’s full STP configur...

9-103 Configuring Advanced Features Spanning Tree Protocol (STP) C o nf ig u ring Adva nced Featu res Enabling or Disabling STP. Enabling STP implements the spanning-tree protocol for all physical ports on the switch, regardless of whether multiple VLANs are configured. Disabling STP removes protect...

9-104 Configuring Advanced Features Spanning Tree Protocol (STP) Co nf ig u ri ng Adva nce d Feat u res You can also include one or more of the STP per-port parameters in this command. See “Reconfiguring Per-Port STP Operation on the Switch” on page 9-104. Syntax: spanning-tree priority <0 - 6535...

9-105 Configuring Advanced Features Spanning Tree Protocol (STP) C o nf ig u ring Adva nced Featu res For example, the following enables STP (if it is not already enabled) and configures ports 5 and 6 to a path cost of 15 , a priority of 100 , and fast mode: SMC TigerSwitch 10/100(config)# spanning-...

9-106 Configuring Advanced Features Spanning Tree Protocol (STP) Co nf ig u ri ng Adva nce d Feat u res Figure 9-71. Example of Redundant Paths Between Two Nodes STP Fast Mode For standard STP operation, when a network connection is established on a device that is running STP, the port used for the ...

9-107 Configuring Advanced Features Spanning Tree Protocol (STP) C o nf ig u ring Adva nced Featu res C a u t i o n The Fast Mode configuration should be used only on switch ports connected to end nodes. Changing the Mode to Fast on ports connected to hubs, switches, or routers may cause loops in yo...

9-108 Configuring Advanced Features Spanning Tree Protocol (STP) Co nf ig u ri ng Adva nce d Feat u res Figure 9-72. Example of Using a Trunked Link with STP and VLANs For more information, refer to “Spanning Tree Protocol Operation with VLANs” on page 9-71. Problem: STP enabled with 2separate (non-...

10-1 M onito rin g and Anal yz in g Switch Ope ra tion 10 Monitoring and Analyzing Switch Operation The SMC6624M switch has several built-in tools for monitoring, analyzing, and troubleshooting switch and network operation: ■ Status: Includes options for displaying general switch information, man- a...

10-2 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Status and Counters Data This section describes the status and counters screens available through the switch console interface and/or the web browser interface. N o t e Yo...

10-3 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Menu Access To Status and Counters Beginning at the Main Menu, display the Status and Counters menu by select-ing: 1. Status and Counters Figure 10-1. The Status and Counters Men...

10-4 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n General System Information Menu Access From the console Main Menu, select: 1. Status and Counters 1. General System Information Figure 10-2. Example of General Switch Info...

10-5 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Switch Management Address Information Menu Access From the Main Menu, select: 1 Status and Counters . . . 2. Switch Management Address Information Figure 10-3. Example of Managem...

10-6 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Port Status The web browser interface and the console interface show the same port status data. Menu: Displaying Port Status From the Main Menu, select: 1. Status and Coun...

10-7 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Viewing Port and Trunk Group Statistics These features enable you to determine the traffic patterns for each port since the last reboot or reset of the switch. You can display: ■...

10-8 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Menu Access to Port and Trunk Statistics To access this screen from the Main Menu, select: 1. Status and Counters . . . 4. Port Counters Figure 10-5. Example of Port Count...

10-9 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion CLI Access To Port and Trunk Group Statistics To Display the Port Counter Summary Report. This command provides an overview of port activity for all ports on the switch. Syntax: ...

10-10 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Viewing the Switch’s MAC Address Tables These features help you to view: ■ The MAC addresses that the switch has learned from network devices attached to the switch ■ The...

10-11 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Menu Access to the MAC Address Views and Searches Switch-Level MAC-Address Viewing and Searching. This feature lets you determine which switch port is being used to communicate ...

10-12 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n 2. Type the MAC address you want to locate and press [Enter]. The address and port number are highlighted if found. If the switch does not find the address, it leaves the...

10-13 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Enter MAC address: _ 2. Type the MAC address you want to locate and press [Enter]. The address is highlighted if found. If the switch does not find the address, it leaves the MA...

10-14 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Spanning Tree Protocol (STP) Information Menu Access to STP Data From the Main Menu, select: 1. Status and Counters . . . 7. Spanning Tree Information STP must be enabled...

10-15 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Figure 10-11.Example of STP Port Information CLI Access to STP Data This option lists the STP configuration, root data, and per-port data (cost, priority, state, and designated ...

10-16 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Internet Group Management Protocol (IGMP) Status The switch uses the CLI to display the following IGMP status on a per-VLAN basis: For example, suppose that show ip igmp ...

10-17 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion VLAN Information The switch uses the CLI to display the following VLAN status: For example, suppose that your switch has the following VLANs: Ports VLAN VID 1 - 12 DEFAULT_VLAN ...

10-18 Monitoring and Analyzing Switch Operation Status and Counters Data M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Listing the VLAN ID (VID) and Status for Specific Ports. Figure 10-14.Example of VLAN Listing for Specific Ports Listing Individual VLAN Status. Because ports 1 and 2 are...

10-19 Monitoring and Analyzing Switch Operation Status and Counters Data M onito rin g and Anal yz in g Switch Ope ra tion Web Browser Interface Status Information The “home” screen for the web browser interface is the Status Overview screen, as shown below. As the title implies, it provides an over...

10-20 Monitoring and Analyzing Switch Operation Port Monitoring Features M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Port Monitoring Features Port Monitoring Features You can designate a port for monitoring traffic of one or more other ports or of a single VLAN configured on the switch....

10-21 Monitoring and Analyzing Switch Operation Port Monitoring Features M onito rin g and Anal yz in g Switch Ope ra tion Menu: Configuring Port Monitoring This procedure describes configuring the switch for monitoring when moni-toring is disabled. (If monitoring has already been enabled, the scree...

10-22 Monitoring and Analyzing Switch Operation Port Monitoring Features M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Figure 10-17. How To Select a Monitoring Port 5. Use the Space bar to select the port to use for monitoring, then press the downarrow key to select the Monitor parameter....

10-23 Monitoring and Analyzing Switch Operation Port Monitoring Features M onito rin g and Anal yz in g Switch Ope ra tion iv. Press [Enter], then press [S] (for Save ) to save your changes and exit from the screen. Figure 10-18.Example of Selecting a VLAN to Monitor 7. Return to the Main Menu. CLI:...

10-24 Monitoring and Analyzing Switch Operation Port Monitoring Features M oni to ri n g and An al yzi n g Sw itc h Op e ra tio n Figure 10-19.Example of Monitored Port Listing Configuring the Monitor Port. This command assigns or removes a mon- itoring port, and must be executed from the global con...

10-25 Monitoring and Analyzing Switch Operation Port Monitoring Features M onito rin g and Anal yz in g Switch Ope ra tion Figure 10-21.Examples of Removing Ports and VLANs as Monitoring Sources Web: Configuring Port Monitoring To enable port monitoring: 1. Click on the Configuration tab. 2. Click o...

11-1 T roubl esh o ot in g 11 Troubleshooting This chapter addresses performance-related network problems that can be caused by topology, switch configuration, and the effects of other devices or their configurations on switch operation. (For switch-specific information on hardware problems indicate...

11-2 Troubleshooting Troubleshooting Approaches T rou bl esh oot in g Troubleshooting Approaches Use these approaches to diagnose switch problems: ■ Check the switch LEDs for indications of proper switch operation: • Each switch port has a Link LED that should light whenever an active network device...

11-3 Troubleshooting Browser or Console Access Problems T roubl esh o ot in g Browser or Console Access Problems Cannot access the web browser interface: ■ Access may be disabled by the Web Agent Enabled parameter in the switch console. Check the setting on this parameter by selecting: 2. Switch Con...

11-4 Troubleshooting Browser or Console Access Problems T rou bl esh oot in g Cannot Telnet into the switch console from a station on the network: ■ Telnet access may be disabled by the Inbound Telnet Enabled parameter in the System Information screen of the menu interface: 2. Switch Configuration 1...

11-5 Troubleshooting Unusual Network Activity T roubl esh o ot in g Unusual Network Activity Network activity that exceeds accepted norms may indicate a hardware problem with one or more of the network components, possibly including the switch. Unusual network activity is usually indicated by the LE...

11-6 Troubleshooting Unusual Network Activity T rou bl esh oot in g IP addresses that will expire after a limited duration. One solution is to configure “reservations” in the DHCP server for specific IP addresses to be assigned to devices having specific MAC addresses. For more information, refer to...

11-7 Troubleshooting Unusual Network Activity T roubl esh o ot in g Problems Related to Spanning-Tree Protocol (STP) C a u t i o n If you enable STP, it is recommended that you leave the remainder of the STP parameter settings at their default values until you have had an opportunity to evaluate STP...

11-8 Troubleshooting Unusual Network Activity T rou bl esh oot in g VLAN-Related Problems Monitor Port. When using the monitor port in a multiple VLAN environ- ment, it can be useful to know how broadcast, multicast, and unicast traffic is tagged. The following table describes the tagging to expect....

11-9 Troubleshooting Unusual Network Activity T roubl esh o ot in g 1. If VLAN_1 (VID=1) is configured as “Untagged” on port 3 on switch “X”, then it must also be configured as “Untagged” on port 7 on switch “Y”. Make sure that the VLAN ID (VID) is the same on both switches. 2. Similarly, if VLAN_2 ...

11-10 Troubleshooting Using the Event Log To Identify Problem Sources T rou bl esh oot in g Using the Event Log To Identify Problem Sources The Event Log records operating events as single-line entries listed in chrono-logical order, and serves as a tool for isolating problems. Each Event Log entry ...

11-11 Troubleshooting Using the Event Log To Identify Problem Sources T roubl esh o ot in g Table 11-1. Event Log System Modules Menu: Entering and Navigating in the Event Log From the Main Menu, select Event Log . Figure 11-2. Example of an Event Log Display Module Event Description Module Event De...

11-12 Troubleshooting Using the Event Log To Identify Problem Sources T rou bl esh oot in g The log status line at the bottom of the display identifies where in the sequence of event messages the display is currently positioned. To display various portions of the Event Log, either preceding or follo...

11-13 Troubleshooting Diagnostic Tools T roubl esh o ot in g Diagnostic Tools Diagnostic Features Ping and Link Tests The Ping test and the Link test are point-to-point tests between your switch and another IEEE 802.3-compliant device on your network. These tests can tell you whether the switch is c...

11-14 Troubleshooting Diagnostic Tools T rou bl esh oot in g Web: Executing Ping or Link Tests Figure 11-12.Link and Ping Test Screen on the Web Browser Interface Successes indicates the number of Ping or Link packets that successfully completed the most recent test. Failures indicates the number of...

11-15 Troubleshooting Diagnostic Tools T roubl esh o ot in g Number of Packets to Send is the number of times you want the switch to attempt to test a connection. Timeout in Seconds is the number of seconds to allow per attempt to test a connection before determining that the current attempt has fai...

11-17 Troubleshooting Diagnostic Tools T roubl esh o ot in g Displaying the Configuration File The complete switch configuration is contained in a file that you can browse from either the web browser interface or the CLI. It may be useful in some troubleshooting scenarios to view the switch configur...

11-18 Troubleshooting Diagnostic Tools T rou bl esh oot in g CLI Administrative and Troubleshooting Commands These commands provide information or perform actions that you may find helpful in troubleshooting operating problems with the switch. N o t e For more on the CLI, refer to chapter 3, “Using ...

11-19 Troubleshooting Restoring the Factory-Default Configuration T roubl esh o ot in g Restoring the Factory-Default Configuration As part of your troubleshooting process, it may become necessary to return the switch configuration to the factory default settings. This process momen-tarily interrupt...

A-1 Tr ansf e rring an Operatin g Syst e m o r Star tu p A Transferring an Operating System or Startup Configuration File You can download new switch software (operating system—OS) and upload or download switch configuration files. These features are useful for acquiring periodic switch software upg...

A-2 Transferring an Operating System or Startup Configuration File Downloading an Operating System (OS) Tra n sf er ri ng an Op era ti n g S yst em or St a rt u p Using TFTP To Download the OS File from a Server This procedure assumes that: ■ An OS file for the switch has been stored on a TFTP serve...

A-3 Transferring an Operating System or Startup Configuration File Downloading an Operating System (OS) Tr ansf e rring an Operatin g Syst e m o r Star tu p Menu: TFTP Download from a Server 1. In the console Main Menu, select Download OS to display this screen: Figure A-1. Example of the Download O...

A-4 Transferring an Operating System or Startup Configuration File Downloading an Operating System (OS) Tra n sf er ri ng an Op era ti n g S yst em or St a rt u p A “progress” bar indicates the progress of the download. When the entire operating system has been received, all activity on the switch h...

A-6 Transferring an Operating System or Startup Configuration File Downloading an Operating System (OS) Tra n sf er ri ng an Op era ti n g S yst em or St a rt u p Using Xmodem to Download the OS File From a PC This procedure assumes that: ■ The switch is connected via the Console RS-232 port on a PC...

A-7 Transferring an Operating System or Startup Configuration File Downloading an Operating System (OS) Tr ansf e rring an Operatin g Syst e m o r Star tu p For example, to download an OS file named F_01_03.swi from a PC: 1. Execute the following command in the CLI: 2. Execute the terminal emulator ...

A-8 Transferring an Operating System or Startup Configuration File Troubleshooting TFTP Downloads Tra n sf er ri ng an Op era ti n g S yst em or St a rt u p Troubleshooting TFTP Downloads If a TFTP download fails, the Download OS screen indicates the failure. Figure A-4. Example of Message for Downl...

A-9 Transferring an Operating System or Startup Configuration File Transferring Switch Configurations Tr ansf e rring an Operatin g Syst e m o r Star tu p ■ Another console session (through either a direct connection to a terminal device or through Telnet) was already running when you started the se...

A-10 Transferring an Operating System or Startup Configuration File Transferring Switch Configurations Tra n sf er ri ng an Op era ti n g S yst em or St a rt u p TFTP: Copying a Configuration to a Remote Host. Syntax: copy startup-config tftp < ip-addr > < remote-file > This command copi...

A-11 Transferring an Operating System or Startup Configuration File Transferring Switch Configurations Tr ansf e rring an Operatin g Syst e m o r Star tu p Xmodem: Copying a Configuration from a Serially Connected PC or Unix Workstation. To use this method, the switch must be connected via the seria...

B-1 MAC Addr ess Ma nag ement B MAC Address Management The switch assigns MAC addresses in these areas: ■ For management functions: • One Base MAC address assigned to the default VLAN (VID = 1) • Additional MAC address(es) corresponding to additional VLANs you configure in the switch ■ For internal ...

B-2 MAC Address Management Determining MAC Addresses MAC Addr ess Man a g e m ent Menu: Viewing the Switch’s MAC Addresses The Management Address Information screen lists the MAC addresses for: ■ Base switch (default VLAN; VID = 1) ■ Any additional VLANs configured on the switch. Also, the Base MAC ...

B-3 MAC Address Management Determining MAC Addresses MAC Addr ess Ma nag ement CLI: Viewing the Port and VLAN MAC Addresses The MAC address assigned to each switch port is used internally by such features as Flow Control and the Spanning Tree Protocol. Determining the MAC address assignments for ind...

C-1 S w itch M e m o ry an d Conf ig u rat io n C Switch Memory and Configuration This appendix describes the following: ■ How switch memory manages configuration changes ■ How the CLI implements configuration changes ■ How the menu interface and web browser interface implement configu-ration change...

C-2 Switch Memory and Configuration Overview of Configuration File Management S w it ch Me m o ry an d Co n fig u ra tio n ■ Startup-config File: Exists in flash (non-volatile) memory and is used to preserve the most recently-saved configuration as the “permanent” configuration. Rebooting the switch...

C-3 Switch Memory and Configuration Using the CLI To Implement Configuration Changes S w itch M e m o ry an d Conf ig u rat io n The above command disables port 5 in the running-config file, but not in the startup-config file. Port 5 remains disabled only until the switch reboots. If you want port 5...

C-4 Switch Memory and Configuration Using the CLI To Implement Configuration Changes S w it ch Me m o ry an d Co n fig u ra tio n 2. Use the appropriate show commands to verify that you have correctly made the desired changes. 3. Observe the switch’s performance with the new parameter settings to ve...

C-5 Switch Memory and Configuration Using the CLI To Implement Configuration Changes S w itch M e m o ry an d Conf ig u rat io n If you use the CLI to change a parameter setting, and then execute the boot command without first executing the write memory command to save the change, the switch prompts...

C-7 Switch Memory and Configuration Using the Menu and Web Browser Interfaces To Implement Configuration Changes S w itch M e m o ry an d Conf ig u rat io n N o t e The only exception to this operation are two VLAN-related parameter changes that require a reboot—described under “Rebooting To Activat...

C-8 Switch Memory and Configuration Using the Menu and Web Browser Interfaces To Implement Configuration Changes S w it ch Me m o ry an d Co n fig u ra tio n face, the switch discards the configuration changes made while using the CLI. To ensure that changes made while using the CLI are saved, execu...

D-1 Dayl ig ht Savin g s Time D Daylight Savings Time The SMC6624M switch provides a way to automatically adjust the system clock for Daylight Savings Time (DST) changes. In addition to the value “none” (no time changes), there are five pre-defined settings, named: ■ Alaska ■ Canada and Continental ...

D-2 Daylight Savings Time Da yl ig ht Savin g s T ime Figure D-1. Menu Interface with “User-Defined” Daylight Time Rule Option Before configuring a “User defined” Daylight Time Rule, it is important to understand how the switch treats the entries. The switch knows which dates are Sundays, and uses a...

Index – 1 Index Numerics 802.1Q VLAN standard … 9-99802.3u auto negotiation standard … 6-2 A access manager … 8-5operator … 8-5 access levels, authorized IP managers … 7-29Actions line … 2-8 – 2-10 location on screen … 2-8 active path … 9-99address authorized for port security … 7-8 address table, p...

2 – Index Inde x quick … 2-7restoring factory defaults … 11-19saving from menu interface … 2-9serial link … 5-15SNMP … 8-3, 8-5spanning tree … 9-99spanning tree protocol … 9-105startup … 2-9system … 5-20Telnet access configuration … 5-15transferring … A-9trap receivers … 8-9viewing … C-3VLAN … 9-48w...

Index – 3 Index G GARP See GVRP gateway … 5-2, 5-4gateway (IP) address … 5-3, 5-5GVRP advertisement … 9-75, 9-87advertisement, defined … 9-74advertisement, responses to … 9-76advertisements, generating … 9-80auto … 9-79benefit … 9-74block … 9-78BPDU … 9-75CLI, configuring … 9-83common VID required …...

4 – Index Inde x configuration … 5-2DHCP/Bootp … 5-2duplicate address … 11-5duplicate address, DHCP network … 11-5effect when address not used … 5-9gateway … 5-2gateway (IP) address … 5-3global assignment … 5-14globally assigned addressing … 5-14menu access … 5-4stacking … 5-4subnet mask … 5-2, 5-6u...

Index – 5 Index multicast group See IGMP multimedia See IGMP multiple VLAN … 8-1multi-port bridge … 5-1 N navigation, console interface … 2-8 – 2-9navigation, event log … 11-12Netscape … 4-4network management functions … 8-4network manager address … 8-3network monitoring traffic overload … 10-20VLAN...

6 – Index Inde x operating notes … 7-26overview … 7-7port trunk restriction … 6-10prior to … 7-27proxy web server … 7-27trunk restriction … 6-14 port trunk … 6-9 bandwidth capacity … 6-9caution … 6-10, 6-15, 6-22CLI access … 6-17default trunk type … 6-16enabling dynamic LACP … 6-21FEC … 6-12, 6-26IG...

Index – 7 Index authorized IP managers … 7-28per port … 7-7 security violations notices of … 7-20 Self Test LED behavior during factory default reset … 11-19 serial number … 10-4server access failure … 9-100Timep … 5-5 setting a password … 7-3setup screen … 5-3severity code, event log … 11-10slow ne...

8 – Index Inde x traffic analysis … 8-1traffic monitoring … 8-1, 8-4traffic, monitoring … 10-20traffic, port … 10-7transceiver, fiber-optic … 6-3transceiver, speed change … 6-3trap authentication … 8-9authentication trap … 8-11CLI access … 8-10event levels … 8-9limit … 8-9receiver … 8-9SNMP … 8-9Tra...

Index – 9 Index primary, CLI command … 9-61, 9-63primary, select in menu … 9-56primary, web configure … 9-66primary, with DHCP … 9-54reboot required … 2-7restrictions … 9-73See GVRPspanning tree operation … 9-107stacking, primary VLAN … 9-52static … 9-48, 9-52, 9-55, 9-60support enable/disable … 2-7...

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