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... OR TRADE PRACTICE. and/or its affiliates in this document or Web site are trademarks of Cisco Systems, Inc. All rights reserved. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. NOTWITHSTANDING ANY OTHER...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. Copyright © 1981, Regents of the University of their...
... OR TRADE PRACTICE. and/or its affiliates in this document or Web site are trademarks of Cisco Systems, Inc. All rights reserved. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. NOTWITHSTANDING ANY OTHER...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. Copyright © 1981, Regents of the University of their...
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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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...on . Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are ...Catalyst 4003 Bootup Display" section on , power up the switch. Make sure that the terminal is connected to the switch and that the terminal is not on page 2-9). Use show commands to display the current configuration and to a specific...TIA-232 (RS-232) cable. You configure the switch using the tip command on page 2-3. Use clear commands (or in some cases...
...on . Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are ...Catalyst 4003 Bootup Display" section on , power up the switch. Make sure that the terminal is connected to the switch and that the terminal is not on page 2-9). Use show commands to display the current configuration and to a specific...TIA-232 (RS-232) cable. You configure the switch using the tip command on page 2-3. Use clear commands (or in some cases...
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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 system repeats... the current command line. The arrow keys function only on a new line. Command-Line Editing The switch CLI supports a number 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-C Escapes and terminates prompts and lengthy tasks. Enters previous command...
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 system repeats... the current command line. The arrow keys function only on a new line. Command-Line Editing The switch CLI supports a number 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-C Escapes and terminates prompts and lengthy tasks. Enters previous command...
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...logout Command help configure show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. To designate a specific port on module 2. In most port is mod_num/port_num. With many commands, .... The Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches have two logical modules. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the slot number are not case sensitive; To designate a specific module, use...
...logout Command help configure show quit quit Specifying Modules, Ports, and VLANs The Catalyst 4000 series switches sequentially number modules, ports, and VLANs, beginning with 1. To designate a specific port on module 2. In most port is mod_num/port_num. With many commands, .... The Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches have two logical modules. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most systems, the module number and the slot number are not case sensitive; To designate a specific module, use...
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...order bits of the source and destination MAC addresses of each frame. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 All ports in ...Fast Ethernet and Gigabit Ethernet Ports." An EtherChannel bundle can be on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of ...the channel as an EtherChannel. LACP, which ports you have to the 802.3ad specification. To use LACP, see the "EtherChannel Configuration Guidelines and Restrictions" section on page...
...order bits of the source and destination MAC addresses of each frame. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 6-2 78-15486-01 All ports in ...Fast Ethernet and Gigabit Ethernet Ports." An EtherChannel bundle can be on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of ...the channel as an EtherChannel. LACP, which ports you have to the 802.3ad specification. To use LACP, see the "EtherChannel Configuration Guidelines and Restrictions" section on page...
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... 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 7-11 for every switched LAN segment. • Any loops in the switched network are as the root of the switch. The Cisco proprietary... a standby path. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are placed in a network while preventing undesirable loops. For more information, see the "Understanding How a Topology...
... 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 7-11 for every switched LAN segment. • Any loops in the switched network are as the root of the switch. The Cisco proprietary... a standby path. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are placed in a network while preventing undesirable loops. For more information, see the "Understanding How a Topology...
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... cost mode, see the "Configuring the PVST+ Default Port Cost Mode" section on which the frame is the switch that have not been specifically configured for calculating port cost. A BPDU exchange results in your network to use the short method to the root...shortest (lowest cost) distance to higher bandwidth ports by the switch, but the receiving switch uses the information in the STP are assigned by the switch for each port that are selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Each configuration...
... cost mode, see the "Configuring the PVST+ Default Port Cost Mode" section on which the frame is the switch that have not been specifically configured for calculating port cost. A BPDU exchange results in your network to use the short method to the root...shortest (lowest cost) distance to higher bandwidth ports by the switch, but the receiving switch uses the information in the STP are assigned by the switch for each port that are selected. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Each configuration...
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...BackboneFast, and Loop Guard." Other bridges on the boundary that belong to the same region eventually block the boundary ports that lead to make a specific bridge IST master. A port that MST region. If two or more bridges at the boundary of the region have a bridge. To establish... rapid connectivity only on that all full-duplex links as point-to another bridge that connects to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the CST root is out side the MST region, then one of the...
...BackboneFast, and Loop Guard." Other bridges on the boundary that belong to the same region eventually block the boundary ports that lead to make a specific bridge IST master. A port that MST region. If two or more bridges at the boundary of the region have a bridge. To establish... rapid connectivity only on that all full-duplex links as point-to another bridge that connects to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the CST root is out side the MST region, then one of the...
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...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 show config all . . . The port with the lowest port number forwards ...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. set spantree portvlanpri 2/48 0 set spantree portvlancost 2/1 cost 99 set spantree portvlancost 2/2 cost ...
...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 show config all . . . The port with the lowest port number forwards ...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. set spantree portvlanpri 2/48 0 set spantree portvlancost 2/1 cost 99 set spantree portvlancost 2/2 cost ...
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... switch port. Port 1/1 instances 2 have path cost 20000. Console> (enable) Configuring the MISTP Port Instance Priority You can configure the port instance cost for port instance cost is from 1-268435456. The port with the lowest priority value for a specific ...) Configuring the MISTP Port Instance Cost You can 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 {mod/port} [cost cost] [instances] This example shows...
... switch port. Port 1/1 instances 2 have path cost 20000. Console> (enable) Configuring the MISTP Port Instance Priority You can configure the port instance cost for port instance cost is from 1-268435456. The port with the lowest priority value for a specific ...) Configuring the MISTP Port Instance Cost You can 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 {mod/port} [cost cost] [instances] This example shows...
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... port instance priority on an 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. Verify the port instance priority setting. Chapter 7 Configuring Spanning... 00-10-7b-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
... port instance priority on an 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. Verify the port instance priority setting. Chapter 7 Configuring Spanning... 00-10-7b-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
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... states (as shown in Figure 8-2). Figure 8-2 Example of blocked ports (not including self-looped ports). Specifically, an uplink group consists of active VLANs. Figure 8-1 shows an example UplinkFast network topology. Chapter 8 ...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 Switch B over link L2. Figure 8-1 UplinkFast Example Before Direct Link Failure Switch A (Root) Switch B L1 L2 L3 Blocked port 11241 Switch C If Switch...
... states (as shown in Figure 8-2). Figure 8-2 Example of blocked ports (not including self-looped ports). Specifically, an uplink group consists of active VLANs. Figure 8-1 shows an example UplinkFast network topology. Chapter 8 ...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 Switch B over link L2. Figure 8-1 UplinkFast Example Before Direct Link Failure Switch A (Root) Switch B L1 L2 L3 Blocked port 11241 Switch C If Switch...
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...-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Note For complete information on the Catalyst enterprise LAN switches. Note For... complete syntax and usage information for the commands used in a number of VLANs on a network-wide basis. 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...
...-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Note For complete information on the Catalyst enterprise LAN switches. Note For... complete syntax and usage information for the commands used in a number of VLANs on a network-wide basis. 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...
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...) 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 VTP domain Lab_Network modified. VTP domain Lab_Network modified. Do you want to 99...management domain. 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 vlan_range on the particular device: Console> (enable) set vtp pruning enable This command...
...) 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 VTP domain Lab_Network modified. VTP domain Lab_Network modified. Do you want to 99...management domain. 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 vlan_range on the particular device: Console> (enable) set vtp pruning enable This command...
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...VTP packets and prevent VTP advertisements on configuring passwords, see Figure 9-3). For more information on per -port basis. These features are specific to a VTP instance. For example, it . Understanding How VTP Version 3 Works Chapter 9 Configuring VTP • If a ...: • A VTP version 3 server can store the configuration of the password is possible 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 allows you to be configured on a per -port configuration ...
...VTP packets and prevent VTP advertisements on configuring passwords, see Figure 9-3). For more information on per -port basis. These features are specific to a VTP instance. For example, it . Understanding How VTP Version 3 Works Chapter 9 Configuring VTP • If a ...: • A VTP version 3 server can store the configuration of the password is possible 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 allows you to be configured on a per -port configuration ...
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... server has the final, desired configuration. 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 in the domain configuration that has been divided into...are the result of a misconfiguration or an independent configuration of a temporarily disconnected part 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
... server has the final, desired configuration. 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 in the domain configuration that has been divided into...are the result of a misconfiguration or an independent configuration of a temporarily disconnected part 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
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...this switch (server X in the VTP domain. VTP lists all switches in the domain will then lock onto primary server X and will synchronize their VTP configuration to the same VTP domain but has a different primary server). • The takeover leaves this specific instance...configurations that are not correctly authenticated. If this is not the case, it belongs to server X for that instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 For more information on takeovers, see the "Configuring a VTP Version 3 Takeover" ...
...this switch (server X in the VTP domain. VTP lists all switches in the domain will then lock onto primary server X and will synchronize their VTP configuration to the same VTP domain but has a different primary server). • The takeover leaves this specific instance...configurations that are not correctly authenticated. If this is not the case, it belongs to server X for that instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 For more information on takeovers, see the "Configuring a VTP Version 3 Takeover" ...
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...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 controlling. ...-availability switchover between the active and redundant supervisor engines. • A takeover from the switch. In VTP off mode in the same NVRAM block that VTP is specific to the entire domain. Note In software release 8.1(1), the only supported database propagation is ...
...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 controlling. ...-availability switchover between the active and redundant supervisor engines. • A takeover from the switch. In VTP off mode in the same NVRAM block that VTP is specific to the entire domain. Note In software release 8.1(1), the only supported database propagation is ...
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... information 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 This capability might be used on the port are not ...part of the VTP domain and do not respond to requests. Switches in privileged mode: Step 1 Step 2 Task Disable VTP on page 9-14. Use the set port vtp 3/1-2 disable VTP is specific...
... information 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 This capability might be used on the port are not ...part of the VTP domain and do not respond to requests. Switches in privileged mode: Step 1 Step 2 Task Disable VTP on page 9-14. Use the set port vtp 3/1-2 disable VTP is specific...