SMC Networks SMC6924VF - Manuals

T ABLE OF C ONTENTS iii Agent Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10Expansion Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11SNMP Configuration . . . . . . ....

T ABLE OF C ONTENTS iv Configuring IGMP . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41IP Multicast Registration Table . . . . . . . . . . . . . . . . . 3-42 Port Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43 Port Information . . . . . . . . . . . . ...

T ABLE OF C ONTENTS v Console Port to 25-Pin DCE Port on Modem . . . . . . . . . B-2Console Port to 25-Pin DTE Port on PC . . . . . . . . . . . . . B-3 Glossary Index

1-1 C HAPTER 1 S WITCH M ANAGEMENT Configuration Options For advanced management capability, the TigerSwitch 100 management agent provides a menu-driven system configuration program. This program can be accessed by a direct or modem connection to the serial port on the rear panel (out-of-band), or b...

S WITCH M ANAGEMENT 1-2 Required Connections Console Port (Out-of-Band) Connections Attach a VT100 compatible terminal or a PC running a terminal emulation program to the serial port on the switch’s rear panel. Use the null-modem cable provided with this package, or use a null modem connection that ...

S WITCH M ANAGEMENT 1-3 Remote Management via the Console Port Configure the Switch Site Connect the switch’s DB9 serial port to the modem’s serial port using standard cabling. For most modems which use a 25-pin port, you will have to provide an RS-232 cable with a 9-pin connector on one end and a 2...

2-1 C HAPTER 2 U SING THE S YSTEM C ONFIGURATION P ROGRAM Login Screen Once a direct connection to the serial port or a Telnet connection is established, the login screen for the on-board configuration program appears as shown below. If this is your first time to log into the configuration program, ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-3 Main Menu With the system configuration program you can define system parameters, manage and control the switch, the connected stack and all its ports, or monitor network conditions. The figure below of the Main Menu and the following table briefly desc...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-7 Displaying System Information Use the System Information screen to display descriptive information about the switch, or for quick system identification as shown in the following figure and table. System Information================== System Description :...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-8 Displaying Switch Version Information Use the Switch Information screen to display hardware/firmware version numbers for the main board, as well as the power status. Switch Information : Unit 1================== Main Board Hardware Version : V5.0 Firmwa...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-11 Changing the Network Configuration Use the Network Configuration menu to set the bootup option, configure the switch’s Internet Protocol (IP) parameters, enable the on-board Web agent, or to set the number of concurrent Telnet sessions allowed. The scr...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-15 HTTP Configuration Use the HTTP Configuration screen to enable/disable the on-board Web agent, and to specify the TCP port that will provide HTTP service. The screen shown below is described in the following table. Network Configuration : HTTP Configur...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-16 Configuring the Serial Port You can access the on-board configuration program by attaching a VT100 compatible device to the switch’s serial port. (For more information on connecting to this port, see “Required Connections” on page 1-2.) The communicati...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-18 Assigning SNMP Parameters Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The switch includes an on-board SNMP agent which monitors the status of its hardware, as well as the traffic...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-19 Configuring Community Names The following figure and table describe how to configure the community strings authorized for management access. Up to 5 community names may be entered. Note: The default community string is “public” with Read/Write access. ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-20 Configuring IP Trap Managers The following figure and table describe how to specify management stations that will receive authentication failure messages or other trap messages from the switch. Up to 5 trap managers may be entered. SNMP Configuration :...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-21 Console Login Configuration Use the Management Setup: Console Login Configuration to restrict management access based on specified user names and passwords, or to set the invalid password threshold and time-out. There are only two user types defined, A...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-23 Downloading System Software Using TFTP to Download Over the Network Use the TFTP Download menu to load software updates into the switch. The download file should be an SMC6924VF binary file from SMC; otherwise the agent will not accept it. The success ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-24 Saving the System Configuration Use the Configuration Save & Restore menu to save the switch configuration settings to a file on a TFTP server. The file can be later downloaded to the switch to restore the switch’s settings. The success of the oper...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-26 Configuring the Switch The Device Control menu is used to control a broad range of functions, including port configuration, Spanning Tree, port mirroring, multicast filtering, and Virtual LANs. Each of the setup screens provided by these configuration ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-28 Configuring Port Parameters Use the Port Configuration menus to set or display communication parameters for any port or module in the stack. Port Configuration : Unit 1 Port 1 - 12 ================== Flow Control on all ports : [Enable] [Disable] Port ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-30 Viewing the Current Port Configuration The Port Information screen displays the port type, status, link state, and flow control in use, as well as the communication speed and duplex mode. To change any of the port settings, use the Port Configuration m...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-32 Using the Spanning Tree Algorithm The Spanning Tree Algorithm can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, an...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-35 Configuring STA for Ports The following figure and table describe port STA configuration. Spanning Tree Port Configuration : Unit 1 Port 1 - 12 ================================ Fast forwarding on all ports : [Enable] [Disable] Port Type Priority Cost F...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-37 Viewing the Current Spanning Tree Information The Spanning Tree Information screen displays a summary of the STA information for the overall bridge or for a specific port. To make any changes to the parameters for the Spanning Tree, use the Spanning Tr...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-39 Displaying the Current STA for Ports The parameters shown in the following figure and table are for port STA Information. Spanning Tree Port Information : Unit 1 Port 1 - 12 ============================== Port Type Status Designated Designated Designat...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-41 Using a Mirror Port for Analysis You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely u...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-42 Configuring Port Trunks Port trunks can be used to increase the bandwidth of a network connection or to ensure fault recovery. You can configure up five trunk connections (combining 2~4 ports into a fat pipe) between any two standalone SMC6924VF switch...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-44 The VF-45 ports used for one side of a trunk must all be on the same internal switch chip. The port groups permitted include: The 100BASE-FX fiber ports used for one side of a trunk must all be on the same module. However, the 1000BASE-X ports used for...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-45 IGMP Multicast Filtering Multicasting is used to support real-time applications such as video conferencing or streaming audio. A multicast server does not have to establish a separate connection with each client. It merely broadcasts its service to the...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-46 Configuring IGMP This protocol allows a host to inform its local switch/router that it wants to receive transmissions addressed to a specific multicast group. You can use the IGMP Configuration screen to configure multicast filtering shown below. Note:...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-47 Configuring Broadcast Storm Control Use the Broadcast Storm Control Configuration screen to enable broadcast storm control for any port on the switch, as shown below. Broadcast Storm Control Configuration : Unit 1 Port 1 - 12 ==========================...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-48 Configuring Bridge MIB Extensions The Bridge MIB includes extensions for managed devices that support Traffic Classes and Virtual LANs. To display and configure these extensions, use the Extended Bridge Configuration screen as shown below. Extended Bri...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-50 Configuring Traffic Classes IEEE 802.1p defines up to 8 separate traffic classes. This switch supports Quality of Service (QoS) by using two priority queues, with Weighted Fair Queuing for each port. You can use the 802.1P Configuration menu to configu...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-51 Port Priority Configuration Inbound frames that do not have any VLAN tags are tagged with the input port’s default VLAN ID (PVID) and the Default Ingress User Priority as shown in the following menu, and then sorted into the appropriate priority queue ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-52 802.1p Port Traffic Class Information This switch provides two priority levels with Weighted Fair Queuing for port egress. This means that any frames with a priority tag from 0~3 are sent to the low priority queue “0” while those from 4~7 are sent to t...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-53 Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 LAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently sup...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-54 802.1Q VLAN Current Table Information This screen shows the current port members of each VLAN and whether or not the port supports VLAN tagging. Ports assigned to a large VLAN group that crosses several switches should use VLAN tagging. However, if you...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-56 802.1Q VLAN Static Table Configuration Use this screen to create a new VLAN or modify the settings for an existing VLAN. You can add/delete port members for a VLAN from any unit in the stack as a tagged or untagged member. Or you can prevent a port fro...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-57 For example, the following screen displays settings for VLAN 2, which includes tagged ports 1-6, and forbidden port 8. Notes : 1. To allow this switch to participate in a VLAN group that extends beyond this switch, you must add the VLAN ID for the requ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-58 802.1Q VLAN Port Configuration Use this screen to configure port-specific settings for IEEE 802.1Q VLAN features. 802.1Q VLAN Port Configuration : Unit 1 Port 1 - 12 =============================== Port PVID Acceptable Ingress GVRP GVRP Failed GVRP Las...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-60 Port Security Configuration Use the Port Security Configuration screen to enable and configure port security for the switch. Port Security allows you to configure each port with a list of MAC addresses of devices that are authorized to access the netwo...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-62 Monitoring the Switch The Network Monitor Menu provides access to port statistics, RMON statistics, IP multicast addresses, and the static address table. Each of the screens provided by these menus is described in the following sections. Network Monito...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-63 Displaying Port Statistics Port Statistics display key statistics from the Ethernet-like MIB for each port. Error statistics on the traffic passing through each port are displayed. This information can be used to identify potential problems with the sw...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-64 Multiple Collision Frames* A count of successfully transmitted frames for which transmission is inhibited by more than one collision. SQE Test Errors* A count of times that the SQE TEST ERROR message is generated by the PLS sublayer. Deferred Transmiss...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-65 Displaying RMON Statistics Use the RMON Statistics screen to display key statistics for each port from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software such as EliteView.) The following screen displays the overa...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-67 Displaying the Unicast Address Table The Address Table contains the MAC addresses and VLAN identifier associated with each port (that is, the source port associated with the address and VLAN), sorted by MAC address or VLAN ID. You can search for a spec...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-69 Displaying the IP Multicast Registration Table Use the IP Multicast Registration Table to display all the multicast groups active on this switch, including multicast IP addresses and the corresponding VLAN ID. IP Multicast Registration Table===========...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-70 Configuring Static Unicast Addresses Use the Static Unicast Address Table Configuration screen to manually configure host MAC addresses in the unicast table. You can use this screen to associate a MAC address with a specific VLAN ID and switch port as ...

U SING THE S YSTEM C ONFIGURATION P ROGRAM 2-72 Resetting the System Use the Restart command under the Main Menu to reset the management agent. The reset screen includes options as shown in the following figure and table. Logging Off the System Use the Exit command under the Main Menu to exit the co...

3-1 C HAPTER 3 W EB -B ASED M ANAGEMENT Web-Based Configuration and Monitoring As well as the menu-driven system configuration program, the agent module provides an embedded HTTP Web agent. This agent can be accessed by any computer on the network using a standard Web browser (Internet Explorer 4.0 ...

W EB -B ASED M ANAGEMENT 3-2 Navigating the Web Browser Interface To access the Web-browser interface you must first enter a user name and password. The default user name is “admin,” with no password. The administrator has Read/Write access to all configuration parameters and statistics. Home Page W...

W EB -B ASED M ANAGEMENT 3-3 If this is your first time to access the management agent, you should define a new Administrator password, record it and put it in a safe place. From the Main Menu, select Security and enter a new password for the Administrator. Note that passwords can consist of up to 1...

W EB -B ASED M ANAGEMENT 3-4 Panel Display The Web agent displays an image of the switch’s ports, showing port links and activity. Clicking on the image of a port displays statistics and configuration information for the port. Clicking on the image of the serial port (labeled “Mgmt”) displays the Co...

W EB -B ASED M ANAGEMENT 3-5 Console Configuration If you are having difficulties making an out-of-band console connection to the serial port on the agent module, you can display or modify the current settings for the serial port through the Web agent. Click on the serial port icon in the switch ima...

W EB -B ASED M ANAGEMENT 3-8 System Information Use the System Information screen to display descriptive information about the switch, or for quick system identification as shown in the following figure and table. Parameter Description System Name* Name assigned to the switch system. IP Address IP a...

W EB -B ASED M ANAGEMENT 3-9 Switch Information Use the Switch Information screen to display hardware/firmware version numbers for the main board, as well as the power status and modules plugged into the system. Main Board Parameter Description Serial Number Serial number of the main board. Number o...

W EB -B ASED M ANAGEMENT 3-13 SNMP Configuration Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The stack should includes an SNMP agent module which monitors the status of its hardware, as well as the traffic passing through its ...

W EB -B ASED M ANAGEMENT 3-14 Trap Managers The following figure and table describe how to specify management stations that will receive authentication failure messages or other trap messages from the switch. Up to 5 trap managers may be entered. Parameter Description Trap Manager Capability Up to 5...

W EB -B ASED M ANAGEMENT 3-15 Security Configuration Use the Security Configuration screen to restrict management access based on a specified password. The Administrator has write access for parameters governing the SNMP agent. You should therefore assign a password to the Administrator as soon as p...

W EB -B ASED M ANAGEMENT 3-16 Firmware Upgrade Options You can upgrade system firmware via a Web browser, a TFTP server, or a direct connection to the console port. Web Upload Management Use the Web Upload Management menu to load software updates into the switch. The upload file should be an SMC6924...

W EB -B ASED M ANAGEMENT 3-17 TFTP Download Management Use the TFTP Download Management menu to load software updates into the switch. The download file should be an SMC6924VF binary file from SMC; otherwise the agent will not accept it. The success of the download operation depends on the accessibi...

W EB -B ASED M ANAGEMENT 3-18 Configuration Save and Restore Use the Configure screen to save the switch configuration settings to a file on a TFTP server. The file can be later downloaded to the switch to restore the switch’s settings. The success of the operation depends on the accessibility of th...

W EB -B ASED M ANAGEMENT 3-19 Configuration Download Management Use the Configuration Download Management to restore switch configuration settings from a file on a TFTP sever. Parameters shown on this screen are indicated in the following figure and table. Parameter Description Server IP Address IP ...

W EB -B ASED M ANAGEMENT 3-20 Address Table Configuration The Address Table contains the unicast MAC addresses and VLAN identifier associated with each port (that is, the source port), sorted by MAC address or VLAN. You can also clear the entire address table, or information associated with a specif...

W EB -B ASED M ANAGEMENT 3-21 Spanning Tree Algorithm (STA) The Spanning Tree Algorithm can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. This allows the switch to interact with other bridging devices (that is, STA-compliant switch, br...

W EB -B ASED M ANAGEMENT 3-22 Spanning Tree The parameters shown in the following figure and table describe the current bridge STA Information. Parameter Description Spanning Tree State Shows if the switch is enabled to participate in an STA-compliant network. Bridge ID A unique identifier for this ...

W EB -B ASED M ANAGEMENT 3-23 Ports The parameters shown in the following figure and table are for port STA Information. Parameter Description Port Status Displays the current state of this port within the spanning tree: No Link No link has been established on this port. Disabled Port has been disab...

W EB -B ASED M ANAGEMENT 3-25 Spanning Tree Configuration The following figures and tables describe Bridge STA configuration. Switch When the Switch Becomes Root Parameter Default Description Usage Enabled Enable this parameter to participate in an STA compliant network. Priority 32,768 Device prior...

W EB -B ASED M ANAGEMENT 3-27 STA Port Configuration The following figure and table describe STA configuration for ports or modules. Parameter Default Description Fast Forwarding Mode (All Ports) Enabled See “Fast Forward” in this table. Priority 128 Defines the priority for the use of a port in the...

W EB -B ASED M ANAGEMENT 3-30 Bridge Settings Parameter Description Traffic Classes* Multiple traffic classes are supported by this switch as indicated under Bridge Capabilities. However, you can disable this function by setting this parameter to False. GMRP* GARP Multicast Registration Protocol (GM...

W EB -B ASED M ANAGEMENT 3-31 Priority IEEE 802.1p defines up to 8 separate traffic classes. This switch supports Quality of Service (QoS) by using two priority queues, with Weighted Fair Queuing for each port. You can use the Priority Menu to configure the default priority for each port, or to disp...

W EB -B ASED M ANAGEMENT 3-32 Port Traffic Class Information This switch provides two priority levels with weighted fair queuing for port egress. This means that any frames with a default or user priority from 0~3 are sent to the low priority queue “0” while those from 4~7 are sent to the high prior...

W EB -B ASED M ANAGEMENT 3-33 Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 LAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently support broadcast dom...

W EB -B ASED M ANAGEMENT 3-34 VLAN Current Table This screen shows the current port members of each VLAN and whether or not the port supports VLAN tagging. Ports assigned to a large VLAN group that crosses several switches should use VLAN tagging. However, if you just want to create a small port-bas...

W EB -B ASED M ANAGEMENT 3-35 VLAN Static List Use this screen to create or remove VLAN groups. Egress Ports Shows the ports which have been added to the displayed VLAN group. Untagged Ports Shows the untagged VLAN port members. Parameter Description Current Lists all the current VLAN groups created...

W EB -B ASED M ANAGEMENT 3-36 VLAN Static Table Use this screen to modify the settings for an existing VLAN. You can add/delete port members for a VLAN from any unit in the stack. (Note that VLAN1 is fixed as an untagged VLAN containing all ports in the stack, and cannot be modified via this screen....

W EB -B ASED M ANAGEMENT 3-38 VLAN Static Membership by Port Use the screen shown below to assign VLAN groups to the selected port. To perform detailed port configuration for a specific VLAN, use the VLAN Static Table (page 3-36). Parameter Description Port Number Port number on the switch selected ...

W EB -B ASED M ANAGEMENT 3-39 VLAN Port Configuration Use this screen to configure port-specific settings for IEEE 802.1Q VLAN features. Parameter Description PVID The VLAN ID assigned to untagged frames received on this port. Use the PVID to assign ports to the same untagged VLAN. Acceptable Frame ...

W EB -B ASED M ANAGEMENT 3-42 IP Multicast Registration Table Use the IP Multicast Registration Table to display all the multicast groups active on this switch, including multicast IP addresses and the corresponding VLAN ID. Parameter Description VLAN ID VLAN ID assigned to this multicast group. Mul...

W EB -B ASED M ANAGEMENT 3-43 Port Menus Port Information The Port Information screen displays the port status, link state, the communication speed and duplex mode, as well as the flow control in use. To change any of the port settings, use the Port Configuration menu. The parameters are shown in th...

W EB -B ASED M ANAGEMENT 3-44 Port Configuration Use the Port Configuration menu to configure any port on the switch. Parameter Default Description Flow Control Mode (on all ports) Disabled See “Flow Control Status” in this table. Admin Status Enable Allows you to disable a port due to abnormal beha...

W EB -B ASED M ANAGEMENT 3-46 Port Broadcast Storm Protect Configuration Use the Port Broadcast Storm Protect Configuration screen to configure broadcast storm control for any port on the switch. Parameter Default Description Broadcast Storm Protect Mode Enabled Allows you to enable/disable broadcas...

W EB -B ASED M ANAGEMENT 3-48 Using a Port Mirror for Analysis You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner....

W EB -B ASED M ANAGEMENT 3-49 Port Trunk Configuration Port trunks can be used to increase the bandwidth of a network connection or to ensure fault recovery. You can configure up five trunk connections (combining 2~4 ports into a fat pipe) between any two standalone SMC6924VF switches, or up to 12 f...

W EB -B ASED M ANAGEMENT 3-52 Port Statistics Use the Port Statistics menu to display Etherlike or RMON statistics for any port on the switch. The statistics displayed are indicated in the following figure and table. Etherlike Statistics Etherlike Statistics display key statistics from the Ethernet-...

W EB -B ASED M ANAGEMENT 3-53 Note: Statistics are automatically refreshed every 60 seconds. Deferred Transmissions* A count of frames for which the first transmission attempt on a particular interface is delayed because the medium was busy. Late Collisions The number of times that a collision is de...

W EB -B ASED M ANAGEMENT 3-54 RMON Statistics RMON Statistics display key statistics for each port or media module from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software such as EliteView.) The following screen displays overall statistics on traffic passing th...

4-1 C HAPTER 4 A DVANCED T OPICS This TigerSwitch 100 supports Layer 2 switching and other advanced features, which are described in this chapter. Layer 2 Switching When a frame enters a port, its destination MAC address is checked in the address database to see which port leads to this destination....

A DVANCED T OPICS 4-3 The following figure gives an illustration of how the Spanning Tree Algorithm assigns bridging device ports. Virtual LANs Switches do not inherently support broadcast domains, which can lead to broadcast storms in large networks that handle a lot of IPX or NetBeui traffic. In c...

A DVANCED T OPICS 4-4 VLANs provide greater network efficiency by reducing broadcast traffic, but also allow you to make network changes without having to update IP addresses or IP subnets. VLANs inherently provide a high level of network security, since traffic must pass through a Layer 3 switch or...

A DVANCED T OPICS 4-5 Port-based VLANs are tied to specific ports. The switch’s forwarding decision is based on the destination MAC address and its associated port. Therefore, to make valid forwarding and flooding decisions, the switch learns the relationship of the MAC address to its related port—a...

A DVANCED T OPICS 4-6 Connecting VLAN Groups The switch supports intra-VLAN communication using wire-speed switching. However, if you have devices in separate VLANs that must communicate, and it is not practical to include these devices in a common VLAN, then the VLANs can be connected via a Layer 3...

A DVANCED T OPICS 4-7 nodes join or leave multicast groups. A switch or router can then easily determine which ports contain group members and send data out to those ports only. This procedure is called multicast filtering. The purpose of multicast filtering is to optimize a switched network’s perfo...

A DVANCED T OPICS 4-9 Port Trunks Ports can be combined into an aggregate link to increase the bandwidth of a network connection or ensure fault recovery. You can group ports into trunks that consist of two, three or four ports, creating an aggregate bandwidth up to 8 Gbps when grouping multiple Gig...

A DVANCED T OPICS 4-10 event manager, log manager, MIB browser, RMON analysis tools, and device management modules. SMC also provides optional plug-in device management modules for HP OpenView. Remote Monitoring Remote Monitoring (RMON) provides a cost-effective way to monitor large networks by plac...

A DVANCED T OPICS 4-11 storms, or other unusual events. Historical information can also be used to predict network growth and plan for expansion before your network becomes too overloaded. Alarms: Can be set to test data over any specified time interval, and can monitor absolute or changing values (...

A-1 A PPENDIX A T ROUBLESHOOTING Troubleshooting Chart Troubleshooting Chart Symptom Action Cannot connect using Telnet, Web browser, or SNMP software • Be sure to have configured the agent with a valid IP address, subnet mask and default gateway. • Check that you have a valid network connection to ...

T ROUBLESHOOTING A-2 Upgrading Firmware via the Serial Port You can upgrade system firmware by connecting your computer to the serial port on the switch, and using a console interface package that supports the XModem protocol. (See “Required Connections” on page 1-2.) 1. Restart the system by using ...

B-1 A PPENDIX B P IN A SSIGNMENTS Console Port Pin Assignments The DB-9 serial port on the switch’s rear panel is used to connect to the switch for out-of-band console configuration. The on-board menu-driven configuration program can be accessed from a terminal, a PC running a terminal emulation pro...

P IN A SSIGNMENTS B-2 DB-9 Port Pin Assignments Console Port to 9-Pin COM Port on PC Console Port to 25-Pin DCE Port on Modem EIA Circuit CCITT Signal Description Switch’s DB9 DTE Pin # PC DB9 DTE Pin # Modem DB25 DCE Pin # Signal Direction DTE-DCE CF 109 DCD (Data Carrier Detected) 1 1 8 <------...

P IN A SSIGNMENTS B-3 Console Port to 25-Pin DTE Port on PC Switch’s 9-Pin Serial Port Null Modem PC’s 25-Pin DTE Port 1 DCD 8 DCD 2 RXD 3 TXD 3 TXD 2 RXD 4 DTR 20 DTR 5 SGND 7 SGND 6 DSR 6 DSR 7 RTS 4 RTS 8 CTS 5 CTS 9 RI 22 RI 1 1 2 3 3 2 4 8 5 20 6 7 7 4 9 5 20 6

Glossary-1 G LOSSARY Bandwidth Utilization The percentage of packets received over time as compared to overall bandwidth. BOOTP Boot protocol used to load the operating system for devices connected to the network. GARP VLAN Registration Protocol (GVRP) Defines a way for switches to exchange VLAN inf...

Glossary-2 IEEE 802.1D Specifies a general method for the operation of MAC bridges, including the Spanning Tree Protocol. IEEE 802.1Q VLAN Tagging defines Ethernet frame tags which carry VLAN information. It allows switches to assign end-stations to different virtual LANs, and defines a standard way...

Glossary-3 Port Trunk Defines network link aggregation and trunking standards which specify how to create a single high-speed logical link that combines several lower-speed physical links. Remote Monitoring (RMON) RMON provides comprehensive network monitoring capabilities. It eliminates the polling...

Glossary-4 Trivial File Transfer Protocol (TFTP) A TCP/IP protocol commonly used for software downloads. Virtual LAN (VLAN) A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network. A VLAN serves as a...

Index-1 Numerics 802.1p port priority 3-31 , 4-8 802.1Q VLANs 2-53 , 3-33 , 4-3 802.3x flow control 2-29 , 3-45 A analyzer port configuration 2-41 , 3-48 B baud rate configuration 2-16 , 3-5 BOOTP enabling 2-13 , 3-11 for IP configuration 1-4 BPDU 4-2Bridge Protocol Data Units See BPDU bridge STA in...