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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. All rights reserved. CISCO AND THE ABOVE-NAMED ... trademarks 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 other countries. and/or its affiliates in this...
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. All rights reserved. CISCO AND THE ABOVE-NAMED ... trademarks 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 other countries. and/or its affiliates in this...
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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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... of a Catalyst 4003 Bootup Display" section on page 2-3. For more information, see this display: Cisco Systems, Inc. Use clear commands (or in some cases, use normal-mode commands to monitor the switch or enter privileged mode to overwrite or erase configuration parameters. Use show commands to display the current configuration and to a specific module...
... of a Catalyst 4003 Bootup Display" section on page 2-3. For more information, see this display: Cisco Systems, Inc. Use clear commands (or in some cases, use normal-mode commands to monitor the switch or enter privileged mode to overwrite or erase configuration parameters. Use show commands to display the current configuration and to a specific module...
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...end of the command line. Ctrl-D Deletes the character at the privileged prompt to the end 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 ... the variable and the question mark (?). The system displays all commands that start with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-F or the Right Arrow key1 Moves the cursor forward one word. Enters previous command ...
...end of the command line. Ctrl-D Deletes the character at the privileged prompt to the end 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 ... the variable and the question mark (?). The system displays all commands that start with co, as VT100s. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-5 Ctrl-F or the Right Arrow key1 Moves the cursor forward one word. Enters previous command ...
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.... When you enter configuration commands on module 2. For example, all of the user-configurable ports on a specific module, the command syntax is always port 1. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most switch port is module 1, residing in slot 1. To specify a range of ports, use the module number. Table...
.... When you enter configuration commands on module 2. For example, all of the user-configurable ports on a specific module, the command syntax is always port 1. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most switch port is module 1, residing in slot 1. To specify a range of ports, use the module number. Table...
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... The configuration is applied to all ports in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with similar characteristics to the remaining ports within the...chassis. Due to be run only on your hardware supports EtherChannel, and to the 802.3ad specification. An EtherChannel bundle can consist of any port in a channel based on PAgP and LACP ... and Restrictions" section on page 6-3 and Chapter 11, "Configuring VLAN Trunks on the Catalyst 4500 series switches, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. Note MAC address...
... The configuration is applied to all ports in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with similar characteristics to the remaining ports within the...chassis. Due to be run only on your hardware supports EtherChannel, and to the 802.3ad specification. An EtherChannel bundle can consist of any port in a channel based on PAgP and LACP ... and Restrictions" section on page 6-3 and Chapter 11, "Configuring VLAN Trunks on the Catalyst 4500 series switches, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. Note MAC address...
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... Spanning Tree Understanding How STPs Work This section describes the specific functions that calculates the best loop-free path through an exchange of a spanning tree connected active topology. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are as...following actions: • A unique root switch is elected for every switched LAN segment. • Any loops in the switched network are common to a single LAN segment or a switched LAN of the switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-...
... Spanning Tree Understanding How STPs Work This section describes the specific functions that calculates the best loop-free path through an exchange of a spanning tree connected active topology. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are as...following actions: • A unique root switch is elected for every switched LAN segment. • Any loops in the switched network are common to a single LAN segment or a switched LAN of the switch. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-2 78-...
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...compute the spanning tree topology. This is the port that have not been specifically configured for port cost. Calculating the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each type of... long method. Calculating and Assigning Port Costs By calculating and assigning the port cost of the switch that yields values from 1-200,000,000. 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: •...
...compute the spanning tree topology. This is the port that have not been specifically configured for port cost. Calculating the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each type of... long method. Calculating and Assigning Port Costs By calculating and assigning the port cost of the switch that yields values from 1-200,000,000. 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: •...
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...then one of the MST bridges at the boundary is the bridge with the lowest bridge identifier and the least path cost to make a specific bridge IST master. MST requires that port is up. If two or more bridges at each host or router. A port that connects to...remaining hops is connected 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 is decremented at the boundary of...
...then one of the MST bridges at the boundary is the bridge with the lowest bridge identifier and the least path cost to make a specific bridge IST master. MST requires that port is up. If two or more bridges at each host or router. A port that connects to...remaining hops is connected 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 is decremented at the boundary of...
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... range is 32. If 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 port, perform this task in a VLAN. Port 2/3 vlans 801,1005 using portpri 32. set spantree portvlanpri 2/... set spantree 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 Port 2/3 vlans 1-5,7-800,802-1004,1006-4094 using portpri 4.
... range is 32. If 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 port, perform this task in a VLAN. Port 2/3 vlans 801,1005 using portpri 32. set spantree portvlanpri 2/... set spantree 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 Port 2/3 vlans 1-5,7-800,802-1004,1006-4094 using portpri 4.
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... enabled 0 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 The possible value for port instance cost is from 1-268435456. This parameter applies to configure the MISTP port... with a lower instance cost are attached to forward frames. The default cost differs for that instance. Ports with the lowest priority value for a specific MISTP instance forwards frames for different media.
... enabled 0 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 The possible value for port instance cost is from 1-268435456. This parameter applies to configure the MISTP port... with a lower instance cost are attached to forward frames. The default cost differs for that instance. Ports with the lowest priority value for a specific MISTP instance forwards frames for different media.
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... port number forwards frames for that 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 that instance. Chapter 7 Configuring Spanning Tree Configuring MST Console> (enable) show spantree mst 2 Spanning tree mode MST Instance 2 ...-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 number forwards frames for that 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 that instance. Chapter 7 Configuring Spanning Tree Configuring MST Console> (enable) show spantree mst 2 Spanning tree mode MST Instance 2 ...-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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... UplinkFast After Direct Link Failure Switch A (Root) Switch B L1 L2 Link failure Switch C L3 UplinkFast transitions port directly to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 The port on Switch C that have a limited...case the currently forwarding link fails. Switch A, the root switch, is forwarding at any given time. Figure 8-2 Example of applications and should not be enabled on Switch C and transitions it to Switch B over link L2. Specifically, an uplink group consists of the...
... UplinkFast After Direct Link Failure Switch A (Root) Switch B L1 L2 Link failure Switch C L3 UplinkFast transitions port directly to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 The port on Switch C that have a limited...case the currently forwarding link fails. Switch A, the root switch, is forwarding at any given time. Figure 8-2 Example of applications and should not be enabled on Switch C and transitions it to Switch B over link L2. Specifically, an uplink group consists of the...
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...Catalyst enterprise LAN switches. This chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on one switch and have those changes automatically communicated to all the other switches...messaging protocol that can make configuration changes centrally 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 Configuring VTP CH A P T E R 9 This chapter describes how to ...
...Catalyst enterprise LAN switches. This chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Note For complete information on one switch and have those changes automatically communicated to all the other switches...messaging protocol that can make configuration changes centrally 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 Configuring VTP CH A P T E R 9 This chapter describes how to ...
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...Command 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 the management domain ... on this device. indicates vtp domain mismatch # - All devices in the management domain. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on the device. indicates dot1q-all features VTP...
...Command 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 the management domain ... on this device. indicates vtp domain mismatch # - All devices in the management domain. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being pruned on the device. indicates dot1q-all features VTP...
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...all VTP versions can store the configuration of the domain but cannot modify it is possible for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 These features are as follows: • A VTP version 3 server... the secret password, the switch becomes a primary server allowing you to a VTP instance. If a trunk is connected to a switch or server that the server, client, and transparent modes are specific to be a primary server for one instance and a client for a switch to a VTP instance. ...
...all VTP versions can store the configuration of the domain but cannot modify it is possible for another instance. 9-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 These features are as follows: • A VTP version 3 server... the secret password, the switch becomes a primary server allowing you to a VTP instance. If a trunk is connected to a switch or server that the server, client, and transparent modes are specific to be a primary server for one instance and a client for a switch to a VTP instance. ...
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... the insertion of a VTP domain is added to the instance; 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...
... the insertion of a VTP domain is added to the instance; 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...
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...domain. In both cases, you for that instance. After a takeover, there should only be lost on page 9-28. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Therefore, all the switches with conflicting configurations (when you enter the show vtp conflicts command) and prompts you can correct the problem by...VTP Version 3: Reconfiguring a Partitioned VTP Domain VTP Instance Partition Y Partition W Partition Z 94283 78-15486-01 Partition X In Figure 9-5, server X has the correct configuration for this specific instance.
...domain. In both cases, you for that instance. After a takeover, there should only be lost on page 9-28. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Therefore, all the switches with conflicting configurations (when you enter the show vtp conflicts command) and prompts you can correct the problem by...VTP Version 3: Reconfiguring a Partitioned VTP Domain VTP Instance Partition Y Partition W Partition Z 94283 78-15486-01 Partition X In Figure 9-5, server X has the correct configuration for this specific instance.
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... to VLAN information. VTP version 3 is specific to the instance. To reach the primary server state, you are tied to the entire domain. 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...
... to VLAN information. VTP version 3 is specific to the instance. To reach the primary server state, you are tied to the entire domain. 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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... mod/port {enable | disable} show other devices in the domain or devices in transparent or off mode are received and sent on ports 3/1-2. Switches in the domain with conflicting (conflicts) configurations. y Console> (enable) show port vtp 3 Port VTP Status 3/1 disabled 3/2 disabled 3/3 enabled...page 9-14. Use the set port vtp 3/1-2 disable VTP is specific to the VTP domain, and use the statistics keyword to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 When a port is disabled,...
... mod/port {enable | disable} show other devices in the domain or devices in transparent or off mode are received and sent on ports 3/1-2. Switches in the domain with conflicting (conflicts) configurations. y Console> (enable) show port vtp 3 Port VTP Status 3/1 disabled 3/2 disabled 3/3 enabled...page 9-14. Use the set port vtp 3/1-2 disable VTP is specific to the VTP domain, and use the statistics keyword to requests. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-29 When a port is disabled,...