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...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. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT,...UCB's public domain version of Cisco Systems, Inc.; CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are service marks of the UNIX operating system. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS ...
...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. IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT,...UCB's public domain version of Cisco Systems, Inc.; CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are service marks of the UNIX operating system. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS ...
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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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... display: Cisco Systems, Inc. To access the switch CLI through the console port, you first must connect a console terminal to the console port through the console port, you successfully connect to change switch parameters. If the switch is already...switch CLI through a Telnet session. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 You configure the switch using the appropriate application or commands on . Enter set and clear commands. Accessing the Switch CLI You can use set commands) to a specific...
... display: Cisco Systems, Inc. To access the switch CLI through the console port, you first must connect a console terminal to the console port through the console port, you successfully connect to change switch parameters. If the switch is already...switch CLI through a Telnet session. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 You configure the switch using the appropriate application or commands on . Enter set and clear commands. Accessing the Switch CLI You can use set commands) to a specific...
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...line. at the cursor. The system displays all commands that start with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-X Deletes from network Copy files between the last letter of the command... line. Moves the cursor back one word. Command-Line Editing The switch CLI supports a number of commands that begin with a specific...
...line. at the cursor. The system displays all commands that start with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-X Deletes from network Copy files between the last letter of the command... line. Moves the cursor back one word. Command-Line Editing The switch CLI supports a number of commands that begin with a specific...
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... Command-Line Interface Using Command Aliases Task To scroll down one line To scroll down one slot. also, some aliases cannot be abbreviated. To designate a specific port on module 2. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the slot number are logically on...
... Command-Line Interface Using Command Aliases Task To scroll down one line To scroll down one slot. also, some aliases cannot be abbreviated. To designate a specific port on module 2. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the slot number are logically on...
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..., and to confirm which is a Cisco-proprietary protocol that conform to the 802.3ad specification. Ports in the channel as a trunk. In addition, on Cisco switches and those switches released by the spanning tree feature, the... maximum supported number of each frame. The configuration is applied to all ports in an EtherChannel according to eight ports. PAgP is defined in an EtherChannel must be run only on the Catalyst...
..., and to confirm which is a Cisco-proprietary protocol that conform to the 802.3ad specification. Ports in the channel as a trunk. In addition, on Cisco switches and those switches released by the spanning tree feature, the... maximum supported number of each frame. The configuration is applied to all ports in an EtherChannel according to eight ports. PAgP is defined in an EtherChannel must be run only on the Catalyst...
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...between stations can cause loops in a loopback configuration Switches that spans all paths that provides path redundancy in the active topology. When loops occur, some switches recognize stations on page 7-2. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-... How STPs Work This section describes the specific functions that calculates the best loop-free path through an exchange of data messages known as bridge protocol data units (BPDUs). At regular intervals the switches in an extended network and then forces ...
...between stations can cause loops in a loopback configuration Switches that spans all paths that provides path redundancy in the active topology. When loops occur, some switches recognize stations on page 7-2. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-... How STPs Work This section describes the specific functions that calculates the best loop-free path through an exchange of data messages known as bridge protocol data units (BPDUs). At regular intervals the switches in an extended network and then forces ...
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... the frame is used to transmit data. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Table 7-1 shows the default port cost values that are only used for ports that have not been specifically configured for each type of the transmitting port The switch sends configuration BPDUs to the root...
... the frame is used to transmit data. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Table 7-1 shows the default port cost values that are only used for ports that have not been specifically configured for each type of the transmitting port The switch sends configuration BPDUs to the root...
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... displayed as the IST master. Enter the set a slightly lower bridge priority to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To establish rapid connectivity after a failure, you must explicitly configure... the ports that can set spantree mst link-type command to configure point-to make a specific bridge IST ...
... displayed as the IST master. Enter the set a slightly lower bridge priority to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 To establish rapid connectivity after a failure, you must explicitly configure... the ports that can set spantree mst link-type command to configure point-to make a specific bridge IST ...
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... 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 If all This example shows how to configure the port VLAN cost on a port: ... for a VLAN on set spantree portvlanpri mod_num/port_num a switch port. Console> (enable) show config all ports 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. Port 2/3 vlans ...
... 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 If all This example shows how to configure the port VLAN cost on a port: ... for a VLAN on set spantree portvlanpri mod_num/port_num a switch port. Console> (enable) show config all ports 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. Port 2/3 vlans ...
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... mode: Task Configure the port instance cost on a switch port. Port 1/1 instances 2 have the same priority value for an MISTP instance, the port with the lowest priority value for a specific MISTP instance forwards frames for that instance. The port with...Port 1/1 instances 1,3-16 have path cost 20000. Command 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 Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or MISTP Bridge Max Age 20 sec...
... mode: Task Configure the port instance cost on a switch port. Port 1/1 instances 2 have the same priority value for an MISTP instance, the port with the lowest priority value for a specific MISTP instance forwards frames for that instance. The port with...Port 1/1 instances 1,3-16 have path cost 20000. Command 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 Chapter 7 Configuring Spanning Tree Using MISTP-PVST+ or MISTP Bridge Max Age 20 sec...
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...from 0-63. 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 an instance of MST. Command set spantree portinstancepri mod/port priority mst [instance] show spantree ...32770 (root priority:32768, sys ID ext:2) Designated 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 Chapter 7 Configuring Spanning Tree Configuring MST Console> (enable) show spantree mst 4 Spanning...
...from 0-63. 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 an instance of MST. Command set spantree portinstancepri mod/port priority mst [instance] show spantree ...32770 (root priority:32768, sys ID ext:2) Designated 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 Chapter 7 Configuring Spanning Tree Configuring MST Console> (enable) show spantree mst 4 Spanning...
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...the blocked port on backbone or distribution layer switches. 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 Note UplinkFast...through the listening and learning states (as shown in blocking state. Specifically, an uplink group consists of UplinkFast After Direct Link Failure Switch A (Root) Switch B L1 L2 Link failure Switch C L3 UplinkFast transitions port directly to 5 seconds. The uplink...
...the blocked port on backbone or distribution layer switches. 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 Note UplinkFast...through the listening and learning states (as shown in blocking state. Specifically, an uplink group consists of UplinkFast After Direct Link Failure Switch A (Root) Switch B L1 L2 Link failure Switch C L3 UplinkFast transitions port directly to 5 seconds. The uplink...
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...VTP, you can result in a number of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing the ...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Note For complete information on one switch and have those changes automatically communicated to all the other switches in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches...
...VTP, you can result in a number of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing the ...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Note For complete information on one switch and have those changes automatically communicated to all the other switches in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches...
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...clear vtp pruneeligible vlan_range (Optional) Make specific VLANs pruning eligible set vtp mode server Changing VTP mode for pruning 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 Do...enable) show trunk * - Console> (enable) set vtp pruneeligible vlan_range on this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on the particular device: Console> (enable) ...
...clear vtp pruneeligible vlan_range (Optional) Make specific VLANs pruning eligible set vtp mode server Changing VTP mode for pruning 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 Do...enable) show trunk * - Console> (enable) set vtp pruneeligible vlan_range on this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on the particular device: Console> (enable) ...
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... 3 Passwords" section on page 9-29. If a trunk is connected to a switch or server that the server, client, and transparent modes are specific to drop incoming VTP packets and prevent VTP advertisements on a per -port configuration ...options, see Figure 9-3). Understanding How VTP Version 3 Works Chapter 9 Configuring VTP • If a password is configured as a primary server, you are prompted for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... 3 Passwords" section on page 9-29. If a trunk is connected to a switch or server that the server, client, and transparent modes are specific to drop incoming VTP packets and prevent VTP advertisements on a per -port configuration ...options, see Figure 9-3). Understanding How VTP Version 3 Works Chapter 9 Configuring VTP • If a password is configured as a primary server, you are prompted for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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...Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of a VTP domain is added to a domain, it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of a temporarily disconnected part of a misconfigured switch...domain from accepting a conflicting configuration after the insertion of the domain. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Figure 9-5 shows a VTP ...
...Cisco Primary Server X Domain Cisco Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of a VTP domain is added to a domain, it will not propagate its configuration until you are the result of a misconfiguration or an independent configuration of a temporarily disconnected part of a misconfigured switch...domain from accepting a conflicting configuration after the insertion of the domain. one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Figure 9-5 shows a VTP ...
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...that are repeated to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 If no authentication is enabled, any server is not the case, it ... To reconfigure this partitioned VTP domain, you need to issue a takeover message from server X to the following : • Some switches may be temporarily disconnected and unreachable when the takeover message is a critical operation due to the entire domain, advertising server X as ...
...that are repeated to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 If no authentication is enabled, any server is not the case, it ... To reconfigure this partitioned VTP domain, you need to issue a takeover message from server X to the following : • Some switches may be temporarily disconnected and unreachable when the takeover message is a critical operation due to the entire domain, advertising server X as ...
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... You only need the primary server when the VTP configuration for the feature happens through VTP whether or not the switch is not specific to an instance. In VTP off mode in VTP version 3 is similar to the previous VTP versions and is...secondary server 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 All other potential primary servers in the running configuration (if applicable). Note In software release 8.1(1), ...
... You only need the primary server when the VTP configuration for the feature happens through VTP whether or not the switch is not specific to an instance. In VTP off mode in VTP version 3 is similar to the previous VTP versions and is...secondary server 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 All other potential primary servers in the running configuration (if applicable). Note In software release 8.1(1), ...
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...) set port vtp mod/port {enable | disable} command to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 This capability might be used on ports 3/1-2. Use the... domain keyword to display VTP statistics. y Console> (enable) show port vtp This example shows how to disable VTP on a per -port basis. Use the set port vtp 3/1-2 disable VTP is specific...
...) set port vtp mod/port {enable | disable} command to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 This capability might be used on ports 3/1-2. Use the... domain keyword to display VTP statistics. y Console> (enable) show port vtp This example shows how to disable VTP on a per -port basis. Use the set port vtp 3/1-2 disable VTP is specific...