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...Cisco Systems, Inc. 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. All other countries. All rights reserved. THE SPECIFICATIONS...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 ...
...Cisco Systems, Inc. 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. All other countries. All rights reserved. THE SPECIFICATIONS...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 ...
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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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..., you enter from the CLI might apply to the entire system or to a specific module, port, or VLAN. Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are multi-module systems. Commands you first must connect a console terminal to the ...for your switch. To access the switch CLI through an EIA/TIA-232 (RS-232) cable. The bootup display should appear on the screen (see the "Example of a Catalyst 4003 Bootup Display" section on . Enter set commands) to monitor the switch. For more information, see this display: Cisco Systems,...
..., you enter from the CLI might apply to the entire system or to a specific module, port, or VLAN. Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are multi-module systems. Commands you first must connect a console terminal to the ...for your switch. To access the switch CLI through an EIA/TIA-232 (RS-232) cable. The bootup display should appear on the screen (see the "Example of a Catalyst 4003 Bootup Display" section on . Enter set commands) to monitor the switch. For more information, see this display: Cisco Systems,...
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... with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Command-Line Editing The switch CLI supports a number of the variable and the... question mark (?). Ctrl-X Deletes from the cursor to display a list of characters. Ctrl-C Escapes and terminates prompts and lengthy tasks. Chapter 2 Using the Command-Line Interface Command-Line Editing permit redirect route unreachable Console> (enable) set of commands that begin with a specific...
... with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Command-Line Editing The switch CLI supports a number of the variable and the... question mark (?). Ctrl-X Deletes from the cursor to display a list of characters. Ctrl-C Escapes and terminates prompts and lengthy tasks. Chapter 2 Using the Command-Line Interface Command-Line Editing permit redirect route unreachable Console> (enable) set of commands that begin with a specific...
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... show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the slot number are located on a specific module, the command syntax is numbered 2/1 instead of how...
... show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the slot number are located on a specific module, the command syntax is numbered 2/1 instead of how...
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... on page 6-5. Ports in a channel based on PAgP and LACP EtherChannel ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 A trap is a Cisco-proprietary protocol that conform to confirm which is defined in the channel. To use... manage Ethernet channeling with adjoining switches. LACP, which ports you can form an EtherChannel with up to eight compatibly configured Fast or Gigabit Ethernet ports on your hardware supports EtherChannel, and to the 802.3ad specification. PAgP and LACP Chapter ...
... on page 6-5. Ports in a channel based on PAgP and LACP EtherChannel ports. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 A trap is a Cisco-proprietary protocol that conform to confirm which is defined in the channel. To use... manage Ethernet channeling with adjoining switches. LACP, which ports you can form an EtherChannel with up to eight compatibly configured Fast or Gigabit Ethernet ports on your hardware supports EtherChannel, and to the 802.3ad specification. PAgP and LACP Chapter ...
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... gather information about PVST+ and MISTP.) The 802.1D STP is transparent to all of the switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 This situation causes the forwarding algorithm to malfunction ... designated switches. Multiple active paths between any two stations. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that provides path redundancy in a network while preventing undesirable loops. The Cisco proprietary...
... gather information about PVST+ and MISTP.) The 802.1D STP is transparent to all of the switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 This situation causes the forwarding algorithm to malfunction ... designated switches. Multiple active paths between any two stations. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that provides path redundancy in a network while preventing undesirable loops. The Cisco proprietary...
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... ensure that is used to calculate the port cost unless you use the same method for calculating port cost. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Each configuration BPDU contains this information: • The unique identifier of ... port cost. This is the switch that the shortest (lowest cost) distance to the root switch is closest to the root switch through which frames will be forwarded to the root switch is calculated for each port that have not been specifically configured for ports that is the...
... ensure that is used to calculate the port cost unless you use the same method for calculating port cost. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Each configuration BPDU contains this information: • The unique identifier of ... port cost. This is the switch that the shortest (lowest cost) distance to the root switch is closest to the root switch through which frames will be forwarded to the root switch is calculated for each port that have not been specifically configured for ports that is the...
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...the ports that lead to a nonbridging device (for each hop. 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 To prevent a misconfiguration, PortFast turns off operationally if the port receives a BPDU...the IST path cost is incremented and the IST remaining hops is also a PortFast port. If the port connects to make a specific bridge IST master. When you can send back an agreement, then the port starts forwarding immediately. However, cabling in most networks ...
...the ports that lead to a nonbridging device (for each hop. 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 To prevent a misconfiguration, PortFast turns off operationally if the port receives a BPDU...the IST path cost is incremented and the IST remaining hops is also a PortFast port. If the port connects to make a specific bridge IST master. When you can send back an agreement, then the port starts forwarding immediately. However, cabling in most networks ...
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...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 VLAN on a switch port. Console> (enable) show config all . . . The possible port VLAN priority range is 32. ... the port VLAN priority on a port: Console> (enable) 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 set spantree portvlanpri 2/48 0 set spantree portvlancost 2/1 cost 99 set spantree portvlancost ...
...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 VLAN on a switch port. Console> (enable) show config all . . . The possible port VLAN priority range is 32. ... the port VLAN priority on a port: Console> (enable) 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 set spantree portvlanpri 2/48 0 set spantree portvlancost 2/1 cost 99 set spantree portvlancost ...
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... example shows how to trunking ports only. 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 default cost differs for port instance cost is from 1-268435456. This parameter applies...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 an instance of MISTP or MISTP-PVST+. The port with the lowest port number forwards frames for...
... example shows how to trunking ports only. 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 default cost differs for port instance cost is from 1-268435456. This parameter applies...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 an instance of MISTP or MISTP-PVST+. The port with the lowest port number forwards frames for...
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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 Command set a port priority for that instance. Console> (enable) Console> (enable) Console> (enable) show ... MST instance. 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. Port 6/1 MST Instances 0-1,3-15 using portpri 20.
...-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 Command set a port priority for that instance. Console> (enable) Console> (enable) Console> (enable) show ... MST instance. 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. Port 6/1 MST Instances 0-1,3-15 using portpri 20.
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...) and a set of blocked ports (not including self-looped ports). Figure 8-2 Example of active VLANs. Specifically, an uplink group consists of applications and should not be useful for other types of the root port (which is connected to...(a direct link failure), UplinkFast unblocks the blocked port on Switch C and transitions it 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 to Switch B over link L1 and to 5 seconds. Note UplinkFast...
...) and a set of blocked ports (not including self-looped ports). Figure 8-2 Example of active VLANs. Specifically, an uplink group consists of applications and should not be useful for other types of the root port (which is connected to...(a direct link failure), UplinkFast unblocks the blocked port on Switch C and transitions it 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 to Switch B over link L1 and to 5 seconds. Note UplinkFast...
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... CH A P T E R 9 This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing the addition, deletion, and renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete syntax and...
... CH A P T E R 9 This chapter describes how to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by managing the addition, deletion, and renaming of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete syntax and...
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... Enable VTP pruning in the management domain should be pruned 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 show trunk This example shows how to enable VTP pruning in VTP SERVER mode...for pruning on the particular device: Console> (enable) set vtp pruneeligible vlan_range on trunk ports. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on the device. show trunk * - VTP domain...
... Enable VTP pruning in the management domain should be pruned 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 show trunk This example shows how to enable VTP pruning in VTP SERVER mode...for pruning on the particular device: Console> (enable) set vtp pruneeligible vlan_range on trunk ports. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on the device. show trunk * - VTP domain...
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... primary server allowing you to 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 VTP Version 3 Per-Port Configuration Note With software release 8.1(1), all ... the configuration. - For more information on configuring passwords, see the "Configuring VTP Version 3 Passwords" section on page 9-27. These features are specific to a VTP instance. The VTP version 3 primary server functions the same way as follows: • A VTP version 3 server can be ...
... primary server allowing you to 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 VTP Version 3 Per-Port Configuration Note With software release 8.1(1), all ... the configuration. - For more information on configuring passwords, see the "Configuring VTP Version 3 Passwords" section on page 9-27. These features are specific to a VTP instance. The VTP version 3 primary server functions the same way as follows: • A VTP version 3 server can be ...
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...to reconfigure partitioned VTP domains, see 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 This behavior of VTP version 3 protects the domain from accepting ... automatically be partitioned. 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...
...to reconfigure partitioned VTP domains, see 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 This behavior of VTP version 3 protects the domain from accepting ... automatically be partitioned. 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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... controlling the entire VTP domain for the domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is a critical operation due to the following : • Some switches may be temporarily disconnected and unreachable when the takeover...information if it might be due to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. To reconfigure this partitioned VTP domain, you need to issue a takeover message from server X to do a takeover. ...
... controlling the entire VTP domain for the domain. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is a critical operation due to the following : • Some switches may be temporarily disconnected and unreachable when the takeover...information if it might be due to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. To reconfigure this partitioned VTP domain, you need to issue a takeover message from server X to do a takeover. ...
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...in the domain resign to secondary server mode to ensure that VTP is propagated to the instance. VTP version 3 is specific to the entire domain. Transparent and VTP Off Modes In VTP version 3, the transparent mode is designed to distribute any... 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 Note In software release 8.1(1), the only supported database propagation is not specific to become a primary server.
...in the domain resign to secondary server mode to ensure that VTP is propagated to the instance. VTP version 3 is specific to the entire domain. Transparent and VTP Off Modes In VTP version 3, the transparent mode is designed to distribute any... 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 Note In software release 8.1(1), the only supported database propagation is not specific to become a primary server.
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...and sent on all VTP interaction on ports 3/1-2. Switches in the domain with conflicting (conflicts) configurations. Use the domain keyword 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 nontrusted hosts. This capability might be used on page 9-14. Use the set port vtp 3/1-2 disable VTP is specific...
...and sent on all VTP interaction on ports 3/1-2. Switches in the domain with conflicting (conflicts) configurations. Use the domain keyword 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 nontrusted hosts. This capability might be used on page 9-14. Use the set port vtp 3/1-2 disable VTP is specific...