Alcatel 8008 - Manuals

Contents iii STA (Spanning Tree Algorithm) 3-16 Spanning Tree Information 3-16 Spanning Tree 3-16 Ports 3-17 Spanning Tree Configuration 3-18 Switch 3-18When the Switch Becomes Root 3-19 STA Port Configuration 3-20 Configuring Bridge MIB Extensions 3-21 Bridge Capability 3-21 Bridge Settings 3-22 Pr...

Contents iv Multicast Filtering 4-5 IGMP Snooping 4-5 IGMP Protocol 4-5 Class-of-Service (CoS) Support 4-6 Port Trunks 4-6 SNMP Management Software 4-6 Remote Monitoring 4-7 Appendix A: Troubleshooting A-1 Troubleshooting Chart A-1 Upgrading Firmware via the Serial Port A-2 Appendix B: Pin Assignmen...

1-1 Chapter 1: Switch Management Configuration Options For advanced management capability, the onboard management agent provides a menu-driven system configuration program. This program can be accessed by a direct connection to the serial port on the rear panel (out-of-band), or by a Telnet connecti...

Switch Management 1-2 In-Band Connections Prior to accessing the switch’s onboard agent via a network connection, you must first configure it with a valid IP address, subnet mask, and default gateway using an out-of-band connection or the BOOTP protocol. Note: By default BOOTP is disabled and the IP...

2-1 Chapter 2: Console Interface Log-in Screen Once a direct connection to the serial port or a Telnet connection is established, the log-in screen for the onboard configuration program appears as shown below. Note: A banner message may be configured to appear before the Login screen. The banner mes...

Console Interface 2-2 Main Menu The Main Menu is the first screen seen after successfully logging into the system. Alcatel OmniStack 8008 < Main Menu > About this product Management Setup Menu Switch Configuration Menu Network Monitor Menu Reset System Menu Quit Current Session Display or chan...

System and Switch Information 2-5 System and Switch Information Use the “About this product” menu to display a basic description of the switch, including contact information, and hardware/firmware versions. Alcatel OmniStack 8008 < About this product > System Information Switch Information <...

Console Interface 2-6 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. Alcatel OmniStack 8008 < System Information > System Description : Alcatel O...

System and Switch Information 2-7 Displaying Switch Version Use the Switch Information screen to display hardware/firmware version numbers for the switch, as well as the power status of the system. Alcatel OmniStack 8008 < Switch Information > Main Board Label P/N : S/N : Revision : Hardware V...

Console Interface 2-8 Management Setup Menu After initially logging onto the system, adjust the communication parameters for your console to ensure a reliable connection (Serial Port Configuration). Specify the IP addresses for the switch (Network Configuration / IP Configuration), and then set the ...

Management Setup Menu 2-9 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 server, or to set the number of concurrent Telnet sessions allowed. The screen shown below is de...

Management Setup Menu 2-11 IP Connectivity Test (Ping) Use the IP Connectivity Test to see if another site on the Internet can be reached. The screen shown below is described in the following table. Alcatel OmniStack 8008 < IP Connectivity Test(Ping) > IP Address : Test Times : 1 Interval : 3 ...

Console Interface 2-12 HTTP Configuration Use the HTTP Configuration screen to enable/disable the on-board Web server, and to specify the TCP port that will provide HTTP service. The screen shown below is described in the following table. Alcatel OmniStack 8008 < HTTP Configuration > HTTP Serv...

Management Setup Menu 2-13 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 1-1.) The communication parameters for thi...

Console Interface 2-14 Assigning SNMP Parameters Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The switch includes an SNMP agent which monitors the status of its hardware, as well as the traffic passing through its ports. A comp...

Management Setup Menu 2-15 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 strings are “public” with Read Only access, and “private” with R...

Console Interface 2-16 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. Alcatel OmniStack 8008 < IP Trap Managers ...

Management Setup Menu 2-17 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 timeout. There are only two user types defined, ADMIN (Administrator) a...

Console Interface 2-18 Downloading System Software Using TFTP Protocol to Download Over the Network Use the TFTP Download menu to load software updates into the switch. The download file should be an OmniStack 8008 file from Alcatel; otherwise the switch will not accept it. The success of the downlo...

Management Setup Menu 2-19 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 operation depends on the ...

Console Interface 2-20 Managing the Switch Use the Management Configuration screen to configure the management access of the switch. Alcatel OmniStack 8008 < Management Configuration > Management VLAN : ONE VLAN : 1 <Apply> <Ok> <Cancel> Use <TAB> or arrow keys to move,...

Management Setup Menu 2-21 Configuring the Banner Message The Banner Message is a login security alert message. It will be presented to a user attempting to log into the switch via console or Telnet, before prompting for a user name and password. Use the Banner Message Configuration screen to write ...

Console Interface 2-22 Configuring the Switch The Switch Configuration Menu is used to control a broad range of functions, including port configuration, Spanning Tree support for redundant switches, port mirroring, multicast filtering, and Virtual LANs. Each of the setup screens provided by these co...

Console Interface 2-24 Configuring Port Parameters Use the Port Configuration menus to set or display communication parameters for any port on the switch. Note: If you experience problems establishing a port link using auto-negotiation, try forcing the setting of the port to 1000_FULL or 1000_HALF. ...

Configuring the Switch 2-25 Viewing the Current Port Configuration The Port State 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 menu. Alcatel OmniStack 800...

Console Interface 2-26 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 STA-compliant switch, br...

Configuring the Switch 2-27 Configuring Bridge STA The following figure and table describe Bridge STA configuration. Alcatel OmniStack 8008 < Spanning Tree Bridge Configuration > Spanning Tree Protocol : On Bridge Priority : 32768 Hello Time (in seconds) : 2 Max Age (in seconds) : 20 Forward D...

Console Interface 2-28 Configuring STA for Ports The following figure and table describe STA configuration for ports. Max (Message) Age 20 The maximum time (in seconds) a device can wait without receiving a configuration message before attempting to reconfigure. All device ports (except for designat...

Console Interface 2-30 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 Tree Configuration menu. Al...

Configuring the Switch 2-31 Displaying the Spanning Tree Bridge State The parameters shown in the following figure and table describe the current Bridge STA Information. Alcatel OmniStack 8008 < Spanning Tree Bridge State > Bridge Priority : 32768 Hello Time (in seconds) : 2 Max Age (in second...

Console Interface 2-32 Displaying the Spanning Tree Port State The parameters shown in the following figure and table are for port STA Information. Alcatel OmniStack 8008 < Spanning Tree Port State > Port Type Status Designated Designated Designated Cost Bridge Port ---------------------------...

Configuring the Switch 2-33 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 network sniffer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusive manner. ...

Console Interface 2-34 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 to four trunk connections (combining 2~4 ports into a fat pipe) between any two OmniStack 8008 switches. However, before making a...

Configuring the Switch 2-35 You can use the Port Trunking Configuration screen to set up port trunks as shown below. Remember that you must “Enable” a new configuration before it will take effect. Alcatel OmniStack 8008 < Port Trunking Configuration > Trunk ID Status Member List 1 2 3 4 ------...

Console Interface 2-36 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 network, and any hosts w...

Configuring the Switch 2-37 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: The default values ...

Console Interface 2-38 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. Alcatel OmniStack 8008 < Broadcast Storm Control Configuration > Broadcast control on all ports : [Enabl...

Configuring the Switch 2-39 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 network through that port...

Console Interface 2-40 Configuring Bridge MIB Extensions The Bridge MIB includes extensions for managed devices that support Traffic Classes, Multicast Filtering and Virtual LANs. To configure these extensions, use the Extended Bridge Configuration screen as shown below: Alcatel OmniStack 8008 < ...

Configuring the Switch 2-41 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 configure the default prior...

Console Interface 2-42 Port Priority Configuration The default priority for all ingress ports is zero. Therefore, any inbound frames that do not have priority tags will be placed in the low priority output queue. Default priority is only used to determine the output queue for the current port; no pr...

Configuring the Switch 2-43 802.1P Port Traffic Class Information This switch provides two priority levels with weighted fair queuing for port egress. This means that any frames with a 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 ...

Console Interface 2-44 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 domains. T...

Configuring the Switch 2-45 802.1Q 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 just want to create...

Console Interface 2-46 802.1Q 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, or prevent a port from being automatically added to a VLAN via the GVRP protocol. (Also, note that all ports can...

Console Interface 2-48 802.1Q VLAN Port Configuration Use this screen to configure port-specific settings for IEEE 802.1Q VLAN features. Alcatel OmniStack 8008 < 802.1Q VLAN Port Configuration > Port PVID Acceptable Ingress GVRP GVRP Failed GVRP Last Frame Type Filtering Status Registrations P...

Monitoring the Switch 2-49 Monitoring the Switch The Network Monitor Menu provides access to port statistics, RMON statistics, IP multicast addresses, and the static (unicast) address table. Each of the screens provided by these menus is described in the following sections. Alcatel OmniStack 8008 &l...

Console Interface 2-50 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 switch (such as a faulty po...

Monitoring the Switch 2-51 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.) The following screen displays the overall statistics on traffic passing throug...

Monitoring the Switch 2-53 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 specific address, clear t...

Console Interface 2-54 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. [Clear] Clears the specified MAC address. [Clear Dynamic] Clears al...

Monitoring the Switch 2-55 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 shown below. Alcatel ...

Console Interface 2-56 Resetting the System Select the Reset System Menu under the Main Menu to reset the switch. The reset screen includes options as shown in the following figure and table. Logging Off the System Use the Quit Current Session command under the Main Menu to exit the configuration pr...

3-1 Chapter 3: Web Interface Web-Based Configuration and Monitoring In addition to the menu-driven system configuration program, this switch also provides an embedded HTTP Web agent. Using a Web browser you can configure the switch and view statistics to monitor network activity. The Web agent can b...

Web Interface 3-2 Navigating the Web Browser Interface To access the Web-browser interface you must first enter a user name and password. The administrator has Read/Write access to all configuration parameters and statistics. The default user name for the administrator is “admin,” with the password ...

Navigating the Web Browser Interface 3-3 Configuration Options Configurable parameters have a dialog box or a drop-down list. Once a configuration change has been made on a page, be sure to click on the “Apply” button at the bottom of the page to confirm the new setting. The following table summariz...

Web Interface 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 Console Confi...

Web Interface 3-6 Main Menu Using the onboard Web agent, you can define system parameters, manage and control the switch, and all its ports, or monitor network conditions. The interface screen includes the main menu on the left side, the menu bar beneath the image of the switch, and a list of comman...

Web Interface 3-8 Switch Information Use the Switch Information screen to display hardware/firmware version numbers for the switch, as well as the power status of the system. Main Board Parameter Description Serial Number Serial number of the main board. Number of Ports Number of ports on the switch...

Web Interface 3-10 SNMP Configuration Use the SNMP Configuration screen to display and modify parameters for the Simple Network Management Protocol (SNMP). The switch includes an SNMP agent which monitors the status of its hardware, as well as the traffic passing through its ports. A computer attach...

Security Configuration 3-11 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. Security Configuration Use the Security Configuration s...

Web Interface 3-12 Firmware Upgrade Options You can upgrade system firmware by performing a Web upload or a TFTP download. Note that you can also upgrade by a direct connection to the console port (see “Upgrading Firmware via the Serial Port” on page A-2). Web Upload Management Use the Web Upload Ma...

Firmware Upgrade Options 3-13 TFTP Download Management Use the TFTP Download Management menu to load software updates into the switch. The download file should be an Omnistack ® 8008 binary file from Alcatel; otherwise the switch will not accept it. The success of the download operation depends on t...

Web Interface 3-14 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 the TFTP serv...

Address Table Configuration 3-15 Address Table Configuration The Address Table contains the unicast 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. You can also clear the entire address table,...

Web Interface 3-16 STA (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, STA-compliant switch, bridge or rou...

Web Interface 3-18 Spanning Tree Configuration The following figures and tables describe Bridge STA configuration. Switch Parameter Default Description Usage Enabled Enable this parameter to participate in an STA-compliant network. Priority 32,768 Device priority is used in selecting the root device...

Web Interface 3-20 STA Port Configuration The following figure and table describe STA configuration for ports. Parameter Default Description Fast forwarding mode ENABLED Allows you to enable or disable fast forwarding for all ports on the switch. Priority 128 Defines the priority for the use of a po...

Configuring Bridge MIB Extensions 3-21 Configuring Bridge MIB Extensions The Bridge MIB includes extensions for managed devices that support Traffic Classes, Multicast Filtering and Virtual LANs. To configure these extensions, use the Extended Bridge Configuration screen as shown below: Bridge Capab...

Web Interface 3-22 Bridge Settings Parameter Description Traffic Class* Multiple traffic classes are supported by this switch as indicated under Bridge Capabilities. However, you can disable this function by clearing this checkbox. GMRP* GARP Multicast Registration Protocol (GMRP) allows network dev...

Priority 3-23 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 display the mapping ...

Web Interface 3-24 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 priority queue “...

Configuring Virtual LANs 3-25 Configuring Virtual LANs You can use the VLAN configuration menu to assign any port on the switch to any of up to 256 VLAN groups. In conventional networks with routers, broadcast traffic is split up into separate domains. Switches do not inherently support broadcast do...

Web Interface 3-26 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-based VLAN for...

Configuring Virtual LANs 3-27 VLAN Static List Use this screen to create or remove VLAN groups. Note: No VLANs are statically configured by default. VLAN Static Table Use this screen to modify the settings for an existing VLAN. You can add/delete port members for a VLAN, disable or enable VLAN taggi...

Web Interface 3-28 Use the screens shown below to assign ports to the specified VLAN group as an IEEE 802.1Q tagged port. Assign ports as tagged if they are connected to 802.1Q VLAN compliant devices. If the port is connected to VLAN-unaware devices, frames will be passed to the untagged VLAN group ...

Configuring Virtual LANs 3-29 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 3-27). Parameter Description Port Number Port number on the switch selected ...

Web Interface 3-30 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 Type 1 This...

Web Interface 3-32 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. Multicast IP A...

Port Menus 3-33 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 shown in the following figure...

Web Interface 3-34 Port Configuration Use the Port Configuration menus to configure any port on the switch. Parameter Default Description Flow Control Mode DISABLED Allows you to enable or disable flow control for all ports on the switch. Admin Status Enable Allows you to disable a port due to abnor...

Port Menus 3-35 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 broadcast storm control...

Using a Port Mirror for Analysis 3-37 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 network sniffer or RMON probe to the target port and study the traffic crossing the source port in a completely unobtrusiv...

Web Interface 3-38 Use the Port Trunking Configuration screen to set up port trunks as shown below. Remember that you must “Enable” a new configuration before it will take effect. Parameter Description Trunk Number A unique identifier for this trunk. You can configure up to four trunks per switch. P...

Port Statistics 3-39 Port Statistics Use the Port Statistics menu to display Etherlike or RMON statistics for any port on the switch. Select the required port. The statistics displayed are indicated in the following figure and table. Etherlike Statistics Etherlike Statistics display key statistics f...

Web Interface 3-40 RMON Statistics RMON Statistics display key statistics for each port from RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP management software.) The following screen displays overall statistics on traffic passing through each port. RMON statistics provide acce...

Port Statistics 3-41 64 Byte Frames The total number of frames (including bad packets) received and transmitted that were 64 octets in length (excluding framing bits but including FCS octets). 65-127 Byte Frames The total number of frames (including bad packets) received and transmitted that were be...

4-1 Chapter 4: Advanced Topics The Alcatel OmniStack ® 8008 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 destin...

Advanced Topics 4-2 Once a stable network topology has been established, all bridges listen for Hello BPDUs (Bridge Protocol Data Units) transmitted from the Root Bridge. If a bridge does not get a Hello BPDU after a predefined interval (Maximum Age), the bridge assumes that the link to the Root Bri...

Virtual LANs 4-3 This switch supports the following VLAN features: • Up to 256 VLANs can be configured based on the IEEE 802.1Q standard • Distributed VLAN learning across multiple switches using explicit or implicit tagging and GVRP protocol • Port overlapping, allowing a port to participate in mul...

Advanced Topics 4-4 This allows GVRP-compliant devices to be automatically configured for VLAN groups based solely on endstation requests. Forwarding Traffic with Unknown VLAN Tags This switch only supports 256 VLANs with VLAN IDs ranging from 1 to 2048, but the IEEE 802.1Q VLAN standard allows for ...

Multicast Filtering 4-5 Multicast Filtering Multicasting sends data to a group of nodes instead of a single destination. The simplest way to implement multicasting is to broadcast data to all nodes on the network. However, such an approach wastes a lot of bandwidth if the target group is small compa...

Advanced Topics 4-6 Class-of-Service (CoS) Support The OmniStack ® 8008 provides two transmit queues on each port, with a Weighted Fair Queuing scheme. This function can be used to provide independent priorities for various types of data such as real-time video or voice, and best-effort data. Priori...

Remote Monitoring 4-7 Remote Monitoring Remote Monitoring (RMON) provides a cost-effective way to monitor large networks by placing embedded or external probes on distributed network equipment (hubs, switches or routers). Network management software can access the probes embedded in recent Alcatel n...

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

Troubleshooting 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 1-1.) 1. Restart the system by using t...

B-1 Appendix B: Pin Assignments 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 or from a PC running a terminal emulatio...

Pin Assignments B-2 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 Glossary 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 info...

Glossary Glossary-2 Link Aggregation See Port Trunk. MIB An acronym for Management Information Base. It is a set of database objects that contains information about the device. It defines variables needed by the SNMP protocol to monitor and control components in a network. Out-of-Band Management Man...

Glossary Glossary-3 Telnet Defines a remote communication facility for interfacing to a terminal device over TCP/IP. Trivial File Transfer Protocol (TFTP) The TCP/IP standard protocol for file transfer with minimal capability and minimal overhead. TFTP depends on the connectionless datagram delivery...

Index-1 Numerics 802.1p port priority 4-6802.1Q VLANs 4-2 A address table, static unicast 3-15Administrator password, setting 3-11aging time of address table 3-15automatic VLAN registration 4-3 B banner message configuration 2-21baud rate, configuring 3-5BOOTP, for IP configuration 1-2, 3-9bridge ca...

Index Index-2 O out-of-band connection 1-1 P password configuration 3-11pin assignments, console port B-1Ping 2-11port configuration 3-34, 3-35information 3-33mirror 3-37overlapping 4-3priority 2-41statistics 3-39trunk configuration 2-34trunks 3-37, 4-6 priority port configuration 3-23traffic class ...

Index Index-3 W Web access requirements 3-1browser connection 1-2 Web interface configuration buttons 3-3home page 3-2panel display 3-4passwords 3-2 Web server 2-12Weighted Fair Queuing 2-41 X XModem downloads A-2