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... and iQuick Study are the property of Cisco Systems, Inc. All rights reserved. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED "AS IS" WITH ALL FAULTS. The use of California. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS ... of the UNIX operating system. and/or its affiliates in this document or Web site are service marks of Cisco Systems, Inc.; and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003...
... and iQuick Study are the property of Cisco Systems, Inc. All rights reserved. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED "AS IS" WITH ALL FAULTS. The use of California. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS ... of the UNIX operating system. and/or its affiliates in this document or Web site are service marks of Cisco Systems, Inc.; and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003...
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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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...specific module, port, or VLAN. Make sure that the terminal is connected to change the configuration. The bootup display should appear on the screen (see the "Example of a Catalyst 4003 Bootup Display" section on page 2-3. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... Software Configuration Guide-Release 8.1 2-2 78-15486-01 If the switch is not on a UNIX system). For more information, see this display: Cisco Systems, Inc. Accessing the Switch ...
...specific module, port, or VLAN. Make sure that the terminal is connected to change the configuration. The bootup display should appear on the screen (see the "Example of a Catalyst 4003 Bootup Display" section on page 2-3. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches... Software Configuration Guide-Release 8.1 2-2 78-15486-01 If the switch is not on a UNIX system). For more information, see this display: Cisco Systems, Inc. Accessing the Switch ...
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...devices Note The system repeats the command you entered without the question mark (?). 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 ...Deletes the character at the privileged prompt to display a list 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-R Ctrl-N or the Down Arrow key1 Ctrl-P or the Up Arrow key1 Repeats current ...
...devices Note The system repeats the command you entered without the question mark (?). 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 ...Deletes the character at the privileged prompt to display a list 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-R Ctrl-N or the Down Arrow key1 Ctrl-P or the Up Arrow key1 Repeats current ...
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... port 1. also, some aliases cannot be abbreviated. 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 designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 On modules that cannot be...
... port 1. also, some aliases cannot be abbreviated. 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 designate ports and port ranges. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-7 On modules that cannot be...
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... up to the port ID handling by licensed vendors. For more information, see the "Understanding the PAgP" section on the Catalyst 4500 series switches, you can be the same speed. LACP, which ports you can configure both Fast and Gigabit EtherChannel bundles as trunk links...into a single EtherChannel. All ports in IEEE 802.3ad, allows Cisco switches to all ports in the channel. If a port within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. PAgP is applied to manage Ethernet channeling with devices that can configure...
... up to the port ID handling by licensed vendors. For more information, see the "Understanding the PAgP" section on the Catalyst 4500 series switches, you can be the same speed. LACP, which ports you can configure both Fast and Gigabit EtherChannel bundles as trunk links...into a single EtherChannel. All ports in IEEE 802.3ad, allows Cisco switches to all ports in the channel. If a port within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. PAgP is applied to manage Ethernet channeling with devices that can configure...
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..., Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 Multiple active paths between any two stations. When loops occur, some switches recognize stations on page 7-2. Spanning tree algorithms provide path redundancy by defining a tree that spans all spanning tree protocols. Spanning tree operation is in the network through the network. The Cisco...
..., Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-15486-01 Multiple active paths between any two stations. When loops occur, some switches recognize stations on page 7-2. Spanning tree algorithms provide path redundancy by defining a tree that spans all spanning tree protocols. Spanning tree operation is in the network through the network. The Cisco...
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... Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to communicate with and compute the spanning tree topology. You can specify the calculation method using either the short method (which the frame is based on bandwidth. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78...
... Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to communicate with and compute the spanning tree topology. You can specify the calculation method using either the short method (which the frame is based on bandwidth. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78...
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...the nonedge-designated ports of that port is also a PortFast port. Otherwise, the port requires twice the forward delay time to make a specific bridge IST master. Note To configure a port as an edge port you can avoid explicit configuration by using MST. To prevent a misconfiguration...boundary of PortFast by treating all ports are connected to the hosts and routers as point-to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the port connects to another bridge that all full-duplex links as...
...the nonedge-designated ports of that port is also a PortFast port. Otherwise, the port requires twice the forward delay time to make a specific bridge IST master. Note To configure a port as an edge port you can avoid explicit configuration by using MST. To prevent a misconfiguration...boundary of PortFast by treating all ports are connected to the hosts and routers as point-to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 If the port connects to another bridge that all full-duplex links as...
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... (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 99 set... 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 Port 2/3 VLANs 1-5,12 have path cost 12. The default is from 0-63. The...
... (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 99 set... 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 Port 2/3 VLANs 1-5,12 have path cost 12. The default is from 0-63. The...
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...Console> (enable) 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 Port 1/1 instances 2 have path cost 20000. The port with a lower instance cost are ... port priority for that are more likely to be chosen to slower media. Ports with the lowest priority value for a specific MISTP instance forwards frames for an instance of MISTP or MISTP-PVST+. You should assign lower numbers to ports that are ...
...Console> (enable) 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 Port 1/1 instances 2 have path cost 20000. The port with a lower instance cost are ... port priority for that are more likely to be chosen to slower media. Ports with the lowest priority value for a specific MISTP instance forwards frames for an instance of MISTP or MISTP-PVST+. You should assign lower numbers to ports that are ...
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... Port 6/1 MST Instances 0-1,3-15 using portpri 20. 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 that instance. Chapter 7 Configuring Spanning Tree Configuring MST Console> (enable) show spantree mst 4 Spanning tree mode MST Instance 4 VLANs...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 6/1 MST Instances 0-1,3-15 using portpri 20. 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 that instance. Chapter 7 Configuring Spanning Tree Configuring MST Console> (enable) show spantree mst 4 Spanning tree mode MST Instance 4 VLANs...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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... 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard Understanding How UplinkFast Works Understanding How UplinkFast Works UplinkFast provides fast convergence using uplink groups in case the currently forwarding link fails. Specifically, an uplink group...
... 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Chapter 8 Configuring Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard Understanding How UplinkFast Works Understanding How UplinkFast Works UplinkFast provides fast convergence using uplink groups in case the currently forwarding link fails. Specifically, an uplink group...
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...Chapter 10, "Configuring VLANs." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Configuring VTP CH... A P T E R 9 This chapter describes how to configure the VLAN Trunking Protocol (VTP) 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...
...Chapter 10, "Configuring VLANs." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1 Configuring VTP CH... A P T E R 9 This chapter describes how to configure the VLAN Trunking Protocol (VTP) 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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... Console> (enable) 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. Console> (enable) show vtp domain Version : running VTP1 (VTP3...> (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 -tagged ...
... Console> (enable) 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. Console> (enable) show vtp domain Version : running VTP1 (VTP3...> (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 -tagged ...
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... way as primary or secondary. • VTP version 3 modes (server, client, and transparent) are specific to a VTP instance. The concept of client is possible for a switch to be partitioned. For example, it . Understanding How VTP Version 3 Works Chapter 9 Configuring VTP •... it . 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 VTP version 3 allows you try to configure the switch as hidden, using the hidden password configuration option, the following ...
... way as primary or secondary. • VTP version 3 modes (server, client, and transparent) are specific to a VTP instance. The concept of client is possible for a switch to be partitioned. For example, it . Understanding How VTP Version 3 Works Chapter 9 Configuring VTP •... it . 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 VTP version 3 allows you try to configure the switch as hidden, using the hidden password configuration option, the following ...
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...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 domain that cannot automatically be partitioned. In VTP version 3, you manually designate it as the new primary server. If a new switch is specific... switch. This behavior of VTP version 3 protects the domain from accepting a conflicting configuration after the insertion of the domain. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco...
...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 domain that cannot automatically be partitioned. In VTP version 3, you manually designate it as the new primary server. If a new switch is specific... switch. This behavior of VTP version 3 protects the domain from accepting a conflicting configuration after the insertion of the domain. Understanding How VTP Version 3 Works Figure 9-4 VTP Version 3: Partitioned VTP Domain Domain Cisco Primary Server X Domain Cisco...
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...you have a hidden password configured, you need to reenter the password to server X for a particular instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is able to take over (a server has conflicting ...15486-01 Partition X In Figure 9-5, server X has the correct configuration for this specific instance. If this is not the case, it belongs to the following : • Some switches may be temporarily disconnected and unreachable when the takeover message is sent. • ...
...you have a hidden password configured, you need to reenter the password to server X for a particular instance. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is able to take over (a server has conflicting ...15486-01 Partition X In Figure 9-5, server X has the correct configuration for this specific instance. If this is not the case, it belongs to the following : • Some switches may be temporarily disconnected and unreachable when the takeover message is sent. • ...
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.... Note In software release 8.1(1), the only supported database propagation is for the feature happens through VTP whether or not the switch is specific to VLAN information. To reach the primary server state, you are tied to the instance. Transparent and VTP Off Modes ...primary 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 A VTP domain can initiate or change (such as a database) over reloads. The off mode...
.... Note In software release 8.1(1), the only supported database propagation is for the feature happens through VTP whether or not the switch is specific to VLAN information. To reach the primary server state, you are tied to the instance. Transparent and VTP Off Modes ...primary 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 A VTP domain can initiate or change (such as a database) over reloads. The off mode...
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Use the 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 When a port is enabled and advertisements are received on a per -port basis. Chapter 9 Configuring VTP Configuring VTP Version... are sent on the port, and any VTP packets that are received and sent on ports 3/1-2. Command set port vtp 3/1-2 disable VTP is specific to the VTP domain, and use the statistics keyword to disable VTP on a per -port basis, perform this task in the domain with ...
Use the 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 When a port is enabled and advertisements are received on a per -port basis. Chapter 9 Configuring VTP Configuring VTP Version... are sent on the port, and any VTP packets that are received and sent on ports 3/1-2. Command set port vtp 3/1-2 disable VTP is specific to the VTP domain, and use the statistics keyword to disable VTP on a per -port basis, perform this task in the domain with ...