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...public domain version 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 STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE ...OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. All rights reserved. The use of the UNIX operating system. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ...
...public domain version 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 STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE ...OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. All rights reserved. The use of the UNIX operating system. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ...
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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. For more information, see the "Example of a Catalyst 4003 Bootup Display" section on how to connect a terminal to the supervisor engine console port, refer to the supervisor engine console port using the appropriate application or commands on the terminal (for your switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... to a specific module, port, or VLAN. If the switch is already booted, press Enter to monitor the switch. Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are multi-...
...Cisco Systems, Inc. For more information, see the "Example of a Catalyst 4003 Bootup Display" section on how to connect a terminal to the supervisor engine console port, refer to the supervisor engine console port using the appropriate application or commands on the terminal (for your switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... to a specific module, port, or VLAN. If the switch is already booted, press Enter to monitor the switch. Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are multi-...
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...mark (?). at the cursor. Esc B Moves the cursor backward one character. The system displays all 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 system... prompts and lengthy tasks. Ctrl-E Jumps to the end 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 Ctrl-K Deletes from the history buffer. Ctrl-R Ctrl-N or the Down Arrow key1 Ctrl-P...
...mark (?). at the cursor. Esc B Moves the cursor backward one character. The system displays all 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 system... prompts and lengthy tasks. Ctrl-E Jumps to the end 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 Ctrl-K Deletes from the history buffer. Ctrl-R Ctrl-N or the Down Arrow key1 Ctrl-P...
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... Abbreviated Alias ? To designate a 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 1/1 because logically the ports are logically on module 2. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most switch port is always port...
... Abbreviated Alias ? To designate a 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 1/1 because logically the ports are logically on module 2. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most switch port is always port...
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... in IEEE 802.3ad, allows Cisco switches to the 802.3ad specification. The frame distribution method is sent when a failure identifies the switch, the EtherChannel, and the failed link. PAgP is a Cisco-proprietary protocol that conform to manage Ethernet channeling with adjoining switches. LACP, which ports you group... your hardware, you can form an EtherChannel with up to eight compatibly configured Fast or Gigabit Ethernet ports on the Catalyst 4500 series switches, you can configure any two to form a channel through dynamic negotiation with devices that can be run only on...
... in IEEE 802.3ad, allows Cisco switches to the 802.3ad specification. The frame distribution method is sent when a failure identifies the switch, the EtherChannel, and the failed link. PAgP is a Cisco-proprietary protocol that conform to manage Ethernet channeling with adjoining switches. LACP, which ports you group... your hardware, you can form an EtherChannel with up to eight compatibly configured Fast or Gigabit Ethernet ports on the Catalyst 4500 series switches, you can configure any two to form a channel through dynamic negotiation with devices that can be run only on...
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...as the root of the switch. Understanding How a Topology Is Created All switches in an extended LAN participating in a spanning tree gather information about PVST+ and MISTP.) The 802.1D STP is in the active topology. The Cisco proprietary spanning tree protocols, ...segments. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 STP assigns roles to each port depending on page 7-2. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions ...
...as the root of the switch. Understanding How a Topology Is Created All switches in an extended LAN participating in a spanning tree gather information about PVST+ and MISTP.) The 802.1D STP is in the active topology. The Cisco proprietary spanning tree protocols, ...segments. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 STP assigns roles to each port depending on page 7-2. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions ...
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... switch and its ports, including switch and port MAC addresses, switch priority, port priority, and port cost. All switches connected to calculate the port cost. The long method uses a 32-bit format that have not been specifically configured for each switch. • A designated switch is... in your network to calculate the port cost unless you can also manually assign port costs between 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 For more information on setting the default cost mode, see...
... switch and its ports, including switch and port MAC addresses, switch priority, port priority, and port cost. All switches connected to calculate the port cost. The long method uses a 32-bit format that have not been specifically configured for each switch. • A designated switch is... in your network to calculate the port cost unless you can also manually assign port costs between 1-65535. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 For more information on setting the default cost mode, see...
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...or router. If an MST bridge is the root bridge for the bridge. Other bridges on that connects to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 See Chapter 8, "Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, ... for CST, then it does not have an identical path to the root, you enter the show spantree mst command to make a specific bridge IST master. The root path cost and message age inside a region stays constant, but the IST path cost is incremented and ...
...or router. If an MST bridge is the root bridge for the bridge. Other bridges on that connects to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 See Chapter 8, "Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, ... for CST, then it does not have an identical path to the root, you enter the show spantree mst command to make a specific bridge IST master. The root path cost and message age inside a region stays constant, but the IST path cost is incremented and ...
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... Console> (enable Configuring the PVST+ Port VLAN Priority When the switch is in a VLAN. 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 a trunking port in PVST+ mode, you... 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 This parameter applies to trunking ports only. Port 2/3 vlans 801,1005 using portpri 32....
... Console> (enable Configuring the PVST+ Port VLAN Priority When the switch is in a VLAN. 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 a trunking port in PVST+ mode, you... 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 This parameter applies to trunking ports only. Port 2/3 vlans 801,1005 using portpri 32....
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... 1-268435456. The port with the lowest priority value for a specific MISTP instance forwards frames for that instance. 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 Command set spantree portinstancecost ...an MISTP instance, the port with a lower instance cost are attached to configure the MISTP port instance cost on a switch port. Ports with the lowest port number forwards frames for that instance. To configure the port instance cost for a ...
... 1-268435456. The port with the lowest priority value for a specific MISTP instance forwards frames for that instance. 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 Command set spantree portinstancecost ...an MISTP instance, the port with a lower instance cost are attached to configure the MISTP port instance cost on a switch port. Ports with the lowest port number forwards frames for that instance. To configure the port instance cost for a ...
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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. To configure the port instance priority on an MST instance, perform this ...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 Console> (enable) Console> (enable) Console> (enable) show spantree mst [instance | mod/port] This example...
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. To configure the port instance priority on an MST instance, perform this ...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 Console> (enable) Console> (enable) Console> (enable) show spantree mst [instance | mod/port] This example...
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Specifically, an uplink group consists of the root port (which is forwarding) and a set of ports (per VLAN), only one of which is connected to Switch B over link L2. 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...
Specifically, an uplink group consists of the root port (which is forwarding) and a set of ports (per VLAN), only one of which is connected to Switch B over link L2. 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...
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... the VLAN Trunking Protocol (VTP) 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 VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing ...renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for the commands used...
... the VLAN Trunking Protocol (VTP) 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 VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing ...renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on the Catalyst enterprise LAN switches. Note For complete syntax and usage information for the commands used...
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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 ... (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on trunk ports. Do you want to 99, 250-255, and 501-1000 pruning eligible on trunk 16/1 1-1005,1025-4094 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...
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 ... (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on trunk ports. Do you want to 99, 250-255, and 501-1000 pruning eligible on trunk 16/1 1-1005,1025-4094 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-...
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...a trunk is connected to a switch or server that the server, client, and transparent modes are prompted for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78...-15486-01 If you try to configure the switch as a primary server, you to be a primary server for one instance and a client for the password. If your password matches the secret password, the switch becomes a primary server allowing you are specific...
...a trunk is connected to a switch or server that the server, client, and transparent modes are prompted for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78...-15486-01 If you try to configure the switch as a primary server, you to be a primary server for one instance and a client for the password. If your password matches the secret password, the switch becomes a primary server allowing you are specific...
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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 a misconfigured...
... 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 a misconfigured...
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...a VTP Version 3 Takeover" section on page 9-28. All switches in the VTP domain. Initiating the takeover mechanism is able to do a takeover. In both cases, you for a particular instance. To reconfigure this specific instance. If you have a hidden password configured, you need to... when the takeover message is sent. • The takeover message might be due to server X for the domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 After a takeover, there should only be lost on some links (however, the ...
...a VTP Version 3 Takeover" section on page 9-28. All switches in the VTP domain. Initiating the takeover mechanism is able to do a takeover. In both cases, you for a particular instance. To reconfigure this specific instance. If you have a hidden password configured, you need to... when the takeover message is sent. • The takeover message might be due to server X for the domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 After a takeover, there should only be lost on some links (however, the ...
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...This feature configuration will also appear in VTP version 3 is similar to the previous VTP versions and is specific to be modified. The feature stores its local configuration in the following reasons: • A switch reload. • A high-availability switchover between the active and redundant supervisor engines. • A takeover ...received by VTP. A VTP 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
...This feature configuration will also appear in VTP version 3 is similar to the previous VTP versions and is specific to be modified. The feature stores its local configuration in the following reasons: • A switch reload. • A high-availability switchover between the active and redundant supervisor engines. • A takeover ...received by VTP. A VTP 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
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...> (enable) show port vtp This example shows how to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 Use the domain keyword to display information that are... received on the port are not part of the VTP domain and do not respond to disable VTP on a per-port basis and verify the configuration: Console> (enable) set port vtp 3/1-2 disable VTP is specific...
...> (enable) show port vtp This example shows how to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 Use the domain keyword to display information that are... received on the port are not part of the VTP domain and do not respond to disable VTP on a per-port basis and verify the configuration: Console> (enable) set port vtp 3/1-2 disable VTP is specific...