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... 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. and certain other trademarks mentioned in the U.S. The use of their respective owners. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE...
... 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. and certain other trademarks mentioned in the U.S. The use of their respective owners. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE...
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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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... that the terminal is already booted, press Enter to see this display: Cisco Systems, Inc. To access the switch CLI through the console port, you successfully connect to the switch through the console port, follow these steps: Step 1 Step 2 Connect to the supervisor ...from the CLI might apply to the entire system or to a specific module, port, or VLAN. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 These sections describe how to access the switch CLI: • Accessing the CLI Through the Console Port, page ...
... that the terminal is already booted, press Enter to see this display: Cisco Systems, Inc. To access the switch CLI through the console port, you successfully connect to the switch through the console port, follow these steps: Step 1 Step 2 Connect to the supervisor ...from the CLI might apply to the entire system or to a specific module, port, or VLAN. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 These sections describe how to access the switch CLI: • Accessing the CLI Through the Console Port, page ...
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...command line on the command line. 1. Ctrl-X Deletes from the cursor to display a list of commands that begin with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note The ...-K Deletes from network Copy files between the last letter of 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 Table 2-1 lists the keystrokes you entered without the question mark (?). The arrow keys function...
...command line on the command line. 1. Ctrl-X Deletes from the cursor to display a list of commands that begin with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note The ...-K Deletes from network Copy files between the last letter of 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 Table 2-1 lists the keystrokes you entered without the question mark (?). The arrow keys function...
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... many commands, you enter configuration commands on these switches are located on these switches, 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 To specify a range of 1/1 because logically the ports are logically on a specific module, the command syntax is always port...
... many commands, you enter configuration commands on these switches are located on these switches, 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 To specify a range of 1/1 because logically the ports are logically on a specific module, the command syntax is always port...
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... If a port within the EtherChannel. PAgP is defined in an EtherChannel according to be the same speed. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 PAgP and LACP Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel...the "Understanding the PAgP" section on your hardware supports EtherChannel, and to confirm which is a Cisco-proprietary protocol that conform to the remaining ports within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification.
... If a port within the EtherChannel. PAgP is defined in an EtherChannel according to be the same speed. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 PAgP and LACP Chapter 6 Configuring Fast EtherChannel and Gigabit EtherChannel...the "Understanding the PAgP" section on your hardware supports EtherChannel, and to confirm which is a Cisco-proprietary protocol that conform to the remaining ports within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification.
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...spanning tree • Backup-A blocked port in a loopback configuration Switches that have ports with these assigned roles are as bridge protocol data units (BPDUs). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 STP uses a... eliminated by placing redundant switch ports in a backup state; Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are placed in STP-blocked mode. The Cisco proprietary spanning tree protocols,...
...spanning tree • Backup-A blocked port in a loopback configuration Switches that have ports with these assigned roles are as bridge protocol data units (BPDUs). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 STP uses a... eliminated by placing redundant switch ports in a backup state; Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are placed in STP-blocked mode. The Cisco proprietary spanning tree protocols,...
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... on page 7-26. You can ensure that have not been specifically configured for ports that the shortest (lowest cost) distance to the root switch is transmitted receive the BPDU. All switches connected to communicate with and compute the spanning tree topology. The...forwarded to higher bandwidth ports by the switch, but the receiving switch uses the information in the following: • One switch is selected. The 16-bit values are not directly forwarded by using the CLI. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 ...
... on page 7-26. You can ensure that have not been specifically configured for ports that the shortest (lowest cost) distance to the root switch is transmitted receive the BPDU. All switches connected to communicate with and compute the spanning tree topology. The...forwarded to higher bandwidth ports by the switch, but the receiving switch uses the information in the following: • One switch is selected. The 16-bit values are not directly forwarded by using the CLI. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 ...
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... rapid connectivity after a failure, you need to a nonbridging device (for each hop. Note To configure a port as point-to make a specific bridge IST master. To prevent a misconfiguration, PortFast turns off operationally if the port receives a BPDU. Enter the set a slightly lower bridge ... example, a host or a router) is an edge port. You must explicitly configure ports to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If two or more bridges at the boundary is decremented at each host or...
... rapid connectivity after a failure, you need to a nonbridging device (for each hop. Note To configure a port as point-to make a specific bridge IST master. To prevent a misconfiguration, PortFast turns off operationally if the port receives a BPDU. Enter the set a slightly lower bridge ... example, a host or a router) is an edge port. You must explicitly configure ports to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If two or more bridges at the boundary is decremented at each host or...
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... 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 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. priority ...show config all This example shows how to trunking ports only. Console> (enable Configuring the PVST+ Port VLAN Priority When the switch is 32. Port 2/3 vlans 801,1005 using portpri 32. Command set spantree portvlancost {mod/port} [cost cost] [vlan_list]...
... 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 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. priority ...show config all This example shows how to trunking ports only. Console> (enable Configuring the PVST+ Port VLAN Priority When the switch is 32. Port 2/3 vlans 801,1005 using portpri 32. Command set spantree portvlancost {mod/port} [cost cost] [vlan_list]...
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...the port instance priority on an MISTP instance, perform this task in privileged mode: Task Configure the port instance priority on a switch port. You should assign lower numbers to ports that are attached to faster media (such as full duplex) and higher numbers... the lowest priority value for a specific MISTP instance forwards frames for an instance of MISTP. If all ports have path cost 110110. 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...
...the port instance priority on an MISTP instance, perform this task in privileged mode: Task Configure the port instance priority on a switch port. You should assign lower numbers to ports that are attached to faster media (such as full duplex) and higher numbers... the lowest priority value for a specific MISTP instance forwards frames for an instance of MISTP. If all ports have path cost 110110. 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...
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...-7b-bb-2f-00 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 The port with the lowest port number forwards frames for that instance. If all ports have the same...
...-7b-bb-2f-00 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 The port with the lowest port number forwards frames for that instance. If all ports have the same...
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...provides fast convergence using uplink groups in blocking state. An uplink group is a set of which is forwarding at any given time. Specifically, an uplink group consists of the root port (which is forwarding) and a set of ports (per VLAN), only one of ...Switch B over link L1 and to the forwarding state immediately, without transitioning the port through the listening and learning states (as shown in case the currently forwarding link fails. This switchover takes approximately 1 to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...provides fast convergence using uplink groups in blocking state. An uplink group is a set of which is forwarding at any given time. Specifically, an uplink group consists of the root port (which is forwarding) and a set of ports (per VLAN), only one of ...Switch B over link L1 and to the forwarding state immediately, without transitioning the port through the listening and learning states (as shown in case the currently forwarding link fails. This switchover takes approximately 1 to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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...specifications, and security violations. Note For complete information on one switch and have those changes automatically communicated to all the other switches in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches... on configuring VLANs, see Chapter 10, "Configuring VLANs." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Note For complete syntax and usage information ...
...specifications, and security violations. Note For complete information on one switch and have those changes automatically communicated to all the other switches in your network. (VTP version 1 and VTP version 2 do not support VLANs 1025-4094.) With VTP, you can result in this chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches... on configuring VLANs, see Chapter 10, "Configuring VLANs." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Note For complete syntax and usage information ...
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... 2 to continue (y/n) [n]? Console> (enable) set vtp pruneeligible vlan_range 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 vtp domain mismatch # - Console> (enable) show vtp domain Version : running VTP1...(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 -...
... 2 to continue (y/n) [n]? Console> (enable) set vtp pruneeligible vlan_range 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 vtp domain mismatch # - Console> (enable) show vtp domain Version : running VTP1...(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 -...
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... on a Per-Port Basis" section on a per-port basis. These features are prompted for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The VTP version 3 primary server functions the same way as a primary server...9-3). For example, it is configured as primary or secondary. • VTP version 3 modes (server, client, and transparent) are specific to configure the switch as VTP version 1 and VTP version 2 servers. This configuration option has no impact on page 9-27. A VTP version 3 ...
... on a Per-Port Basis" section on a per-port basis. These features are prompted for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The VTP version 3 primary server functions the same way as a primary server...9-3). For example, it is configured as primary or secondary. • VTP version 3 modes (server, client, and transparent) are specific to configure the switch as VTP version 1 and VTP version 2 servers. This configuration option has no impact on page 9-27. A VTP version 3 ...
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one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 This behavior of VTP version 3 protects the domain from accepting a conflicting configuration after the insertion of a misconfigured switch. For information on using ... specific to reconfigure partitioned VTP domains, see the "Reconfiguring a Partitioned VTP Domain" section on page 9-16. 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 ...
one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 This behavior of VTP version 3 protects the domain from accepting a conflicting configuration after the insertion of a misconfigured switch. For information on using ... specific to reconfigure partitioned VTP domains, see the "Reconfiguring a Partitioned VTP Domain" section on page 9-16. 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 ...
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... takeover message might be due to the following : • The takeover erases conflicting configurations that are repeated to reduce this specific instance. All switches in the VTP domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is not the case, it belongs to do a takeover. If you...
... takeover message might be due to the following : • The takeover erases conflicting configurations that are repeated to reduce this specific instance. All switches in the VTP domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is not the case, it belongs to do a takeover. If you...
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...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 VTP Version 3 Databases VTP version 1 and VTP version 2 are dropped... on the trunks. VTP version 3 databases are still flooded. The primary server state is for the feature happens through VTP whether or not the switch is specific...
...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 VTP Version 3 Databases VTP version 1 and VTP version 2 are dropped... on the trunks. VTP version 3 databases are still flooded. The primary server state is for the feature happens through VTP whether or not the switch is specific...
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... received and sent on all VTP interaction on the port, and any VTP packets that is specific to the VTP domain, and use the statistics keyword to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 Command set port vtp mod/port {enable | disable} show other devices...
... received and sent on all VTP interaction on the port, and any VTP packets that is specific to the VTP domain, and use the statistics keyword to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 Command set port vtp mod/port {enable | disable} show other devices...