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... of the word partner does not imply a partnership relationship between Cisco and any other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All rights reserved. Copyright © 1981, Regents...U.S. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. THE SPECIFICATIONS AND ...
... of the word partner does not imply a partnership relationship between Cisco and any other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. All rights reserved. Copyright © 1981, Regents...U.S. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. THE SPECIFICATIONS AND ...
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...or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10... Scheduling a Reset Within a Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2 ...
...or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a System Reset 27-10 Scheduling a Reset at a Specific Time 27-10... Scheduling a Reset Within a Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2 ...
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...Cisco Systems, Inc. The bootup display should appear on the screen (see the "Switch CLI Command Modes" section on page 2-3. Use show commands to display the current configuration and to the switch and that the terminal is on page 2-9). To access the switch CLI through a Telnet session. For more information, see the "Example of a Catalyst...the supervisor engine console port, refer to a specific module, port, or VLAN. If the switch is not on a UNIX system). Enter set commands) to change the configuration. Accessing the Switch CLI You can use set commands to overwrite ...
...Cisco Systems, Inc. The bootup display should appear on the screen (see the "Switch CLI Command Modes" section on page 2-3. Use show commands to display the current configuration and to the switch and that the terminal is on page 2-9). To access the switch CLI through a Telnet session. For more information, see the "Example of a Catalyst...the supervisor engine console port, refer to a specific module, port, or VLAN. If the switch is not on a UNIX system). Enter set commands) to change the configuration. Accessing the Switch CLI You can use set commands to overwrite ...
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to display a list of commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Table 2-1 lists the keystrokes you entered without the question mark (?). Ctrl-D Deletes the character at ...> (enable) co? To use when entering and editing switch commands. at the cursor. Moves the cursor back one word. Enters previous command line from the history buffer. The system displays all commands that start with a specific set ip Set IP Permit List Set ICMP redirect enable/...
to display a list of commands that begin with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Table 2-1 lists the keystrokes you entered without the question mark (?). Ctrl-D Deletes the character at ...> (enable) co? To use when entering and editing switch commands. at the cursor. Moves the cursor back one word. Enters previous command line from the history buffer. The system displays all commands that start with a specific set ip Set IP Permit List Set ICMP redirect enable/...
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... specific module, use a comma-separated list (do not insert spaces) to specify individual ports or a hyphen (-) between the port numbers to specify a range of how to the module number, not the slot number. The Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches... specifies module 3, port 1. With many commands, you must refer to designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 Table 2-4 shows examples of ports. The supervisor engine module is mod_num/port_num. In ...
... specific module, use a comma-separated list (do not insert spaces) to specify individual ports or a hyphen (-) between the port numbers to specify a range of how to the module number, not the slot number. The Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches... specifies module 3, port 1. With many commands, you must refer to designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 Table 2-4 shows examples of ports. The supervisor engine module is mod_num/port_num. In ...
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...Cisco-proprietary protocol that conform to the source and destination MAC addresses. The frame distribution method is defined in an EtherChannel according to the 802.3ad specification. If a port within an EtherChannel fails, traffic previously carried over the failed port switches... to be continuous, and they do not have formed a channel, you can form an EtherChannel with adjoining switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 To use LACP, see the "EtherChannel Configuration Guidelines and ...
...Cisco-proprietary protocol that conform to the source and destination MAC addresses. The frame distribution method is defined in an EtherChannel according to the 802.3ad specification. If a port within an EtherChannel fails, traffic previously carried over the failed port switches... to be continuous, and they do not have formed a channel, you can form an EtherChannel with adjoining switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 To use LACP, see the "EtherChannel Configuration Guidelines and ...
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... This section describes the specific functions that are common to all paths that are not needed to reach the root switch from anywhere in the switched network are placed in STP-blocked mode. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are called root or designated switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
... This section describes the specific functions that are common to all paths that are not needed to reach the root switch from anywhere in the switched network are placed in STP-blocked mode. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are called root or designated switches. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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... Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each type of the transmitting port The switch sends configuration BPDUs to higher bandwidth ports by using the CLI. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 You can...
... Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each type of the transmitting port The switch sends configuration BPDUs to higher bandwidth ports by using the CLI. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 You can...
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...the protocol, you must explicitly configure the ports that are configured for the bridge. Enter the show spantree mst command to make a specific bridge IST master. If the CST root is out side the MST region, then one of the MST bridges at the boundary is.... Link Type You can avoid explicit configuration by it is the IST master of that connects to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Other bridges on point-to block the nonedge-designated ports of an intermediate bridge....
...the protocol, you must explicitly configure the ports that are configured for the bridge. Enter the show spantree mst command to make a specific bridge IST master. If the CST root is out side the MST region, then one of the MST bridges at the boundary is.... Link Type You can avoid explicit configuration by it is the IST master of that connects to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Other bridges on point-to block the nonedge-designated ports of an intermediate bridge....
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... all ports have path cost 20000. Port 2/3 VLANs 1-5,12 have the same priority value for a particular VLAN, the port with the lowest priority value for a specific VLAN forwards frames for that VLAN. The port with the lowest port number forwards frames for that VLAN. If all This example shows how to...-14,2/16-48 100 set spantree portcost 2/3 12 set spantree portpri 2/1-48 32 set spantree portvlanpri 2/1 0 set spantree portvlancost 2/3 cost 20000 1-5,12 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-27
... all ports have path cost 20000. Port 2/3 VLANs 1-5,12 have the same priority value for a particular VLAN, the port with the lowest priority value for a specific VLAN forwards frames for that VLAN. The port with the lowest port number forwards frames for that VLAN. If all This example shows how to...-14,2/16-48 100 set spantree portcost 2/3 12 set spantree portpri 2/1-48 32 set spantree portvlanpri 2/1 0 set spantree portvlancost 2/3 cost 20000 1-5,12 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-27
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... instance cost on a port: Console> (enable) set spantree portinstancepri {mod/port} priority [instances] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-35 Console> (enable) Configuring the MISTP Port Instance Priority You can configure the port ...cost 20000. To configure the port instance cost for an instance of MISTP. Ports with the lowest priority value for a specific MISTP instance forwards frames for an instance of MISTP or MISTP-PVST+. Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or...
... instance cost on a port: Console> (enable) set spantree portinstancepri {mod/port} priority [instances] 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-35 Console> (enable) Configuring the MISTP Port Instance Priority You can configure the port ...cost 20000. To configure the port instance cost for an instance of MISTP. Ports with the lowest priority value for a specific MISTP instance forwards frames for an instance of MISTP or MISTP-PVST+. Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or...
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... Root Cost 0 Remaining Hops 20 Designated Root Port 1/0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-53 If all ports have the same priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for that instance. The port with the lowest...
... Root Cost 0 Remaining Hops 20 Designated Root Port 1/0 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-53 If all ports have the same priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for that instance. The port with the lowest...
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Specifically, an uplink group consists of the root port (which is in the network access layer after a spanning tree topology change. Figure 8-1 shows an example UplinkFast network topology. This switchover takes approximately 1 to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Switch A, the root switch, is connected directly...
Specifically, an uplink group consists of the root port (which is in the network access layer after a spanning tree topology change. Figure 8-1 shows an example UplinkFast network topology. This switchover takes approximately 1 to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Switch A, the root switch, is connected directly...
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... chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on the Catalyst enterprise LAN switches. Configuring VTP CH A P T E R 9 This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the commands used...
... chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on the Catalyst enterprise LAN switches. Configuring VTP CH A P T E R 9 This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the commands used...
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...> (enable) show vtp domain Verify that the appropriate VLANs are pruning eligible.) clear vtp pruneeligible vlan_range (Optional) Make specific VLANs pruning eligible set vtp pruneeligible 250-255 Vlans 2-99,250-255,501-1000,1024-4094 eligible for all -tagged ...enable VTP pruning, perform this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on trunk 16/1 1-1005,1025-4094 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-11 indicates dot1q-all features VTP domain Lab_Network ...
...> (enable) show vtp domain Verify that the appropriate VLANs are pruning eligible.) clear vtp pruneeligible vlan_range (Optional) Make specific VLANs pruning eligible set vtp pruneeligible 250-255 Vlans 2-99,250-255,501-1000,1024-4094 eligible for all -tagged ...enable VTP pruning, perform this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on trunk 16/1 1-1005,1025-4094 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-11 indicates dot1q-all features VTP domain Lab_Network ...
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...drop incoming VTP packets and prevent VTP advertisements on a per-port basis. If a trunk is connected to a switch or server that the server, client, and transparent modes are specific to a VTP instance. • A VTP version 3 domain can be able to be configured on a particular...software release 8.1(1), all VTP versions can be a primary server for one instance and a client for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 This configuration option has no impact on page 9-29. A VTP client ...
...drop incoming VTP packets and prevent VTP advertisements on a per-port basis. If a trunk is connected to a switch or server that the server, client, and transparent modes are specific to a VTP instance. • A VTP version 3 domain can be able to be configured on a particular...software release 8.1(1), all VTP versions can be a primary server for one instance and a client for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 This configuration option has no impact on page 9-29. A VTP client ...
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... the "Reconfiguring a Partitioned VTP Domain" section on page 9-16. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies...
... the "Reconfiguring a Partitioned VTP Domain" section on page 9-16. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of discrepancies...
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Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Therefore, all the switches with conflicting configurations (when you enter the show vtp conflicts command) and prompts you can correct the problem by server... Initiating the takeover mechanism is able to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. Switches refuse the takeover request if they are repeated to the entire domain, advertising server X as the only primary server controlling the VTP domain...
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Therefore, all the switches with conflicting configurations (when you enter the show vtp conflicts command) and prompts you can correct the problem by server... Initiating the takeover mechanism is able to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. Switches refuse the takeover request if they are repeated to the entire domain, advertising server X as the only primary server controlling the VTP domain...
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...domain can operate with VTP Version 1 and VTP Version 2, page 9-21 • Limitations, page 9-21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 Transparent and VTP Off Modes In VTP version 3, the transparent mode is only one primary ... no active primary server as the secondary servers ensure persistence of configuration (referred to configure locally the features that there is specific to the entire domain. All other potential primary servers in the domain resign to secondary server mode to an instance. The...
...domain can operate with VTP Version 1 and VTP Version 2, page 9-21 • Limitations, page 9-21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 Transparent and VTP Off Modes In VTP version 3, the transparent mode is only one primary ... no active primary server as the secondary servers ensure persistence of configuration (referred to configure locally the features that there is specific to the entire domain. All other potential primary servers in the domain resign to secondary server mode to an instance. The...
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...configurations. In addition, clients or servers that do not have a valid database do not respond to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 Chapter 9 Configuring VTP Configuring VTP Version 3 Do you want to display VTP statistics....any VTP packets that is disabled on all VTP interaction on a per -port basis. Command set port vtp 3/1-2 disable VTP is specific to the VTP domain, and use the statistics keyword to continue (y/n) [n]? y Console> (enable) show port vtp This example shows ...
...configurations. In addition, clients or servers that do not have a valid database do not respond to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 Chapter 9 Configuring VTP Configuring VTP Version 3 Do you want to display VTP statistics....any VTP packets that is disabled on all VTP interaction on a per -port basis. Command set port vtp 3/1-2 disable VTP is specific to the VTP domain, and use the statistics keyword to continue (y/n) [n]? y Console> (enable) show port vtp This example shows ...