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...word partner does not imply a partnership relationship between Cisco and any other countries. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. Copyright © 1981, Regents... version of California. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are registered trademarks of their respective owners. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL...
...word partner does not imply a partnership relationship between Cisco and any other countries. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. Copyright © 1981, Regents... version of California. CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are registered trademarks of their respective owners. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL...
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... 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 ...
... 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 ...
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...the "Example of a Catalyst 4003 Bootup Display" section on page 2-3. To access the switch CLI through the console port, you can access the CLI through the supervisor engine console port or through the console port, follow these steps: Step 1 Step 2 Connect to a specific module, port, or VLAN... documentation for example, using a terminal emulation program on a PC or using set commands) to see this display: Cisco Systems, Inc. These sections describe how to access the switch CLI: • Accessing the CLI Through the Console Port, page 2-2 • Accessing the CLI Through Telnet, ...
...the "Example of a Catalyst 4003 Bootup Display" section on page 2-3. To access the switch CLI through the console port, you can access the CLI through the supervisor engine console port or through the console port, follow these steps: Step 1 Step 2 Connect to a specific module, port, or VLAN... documentation for example, using a terminal emulation program on a PC or using set commands) to see this display: Cisco Systems, Inc. These sections describe how to access the switch CLI: • Accessing the CLI Through the Console Port, page 2-2 • Accessing the CLI Through Telnet, ...
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...new line. To use when entering and editing switch commands. For example, enter co? 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-X ...the privileged prompt to display a list of command-line editing keystrokes. The system displays all commands that start with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note ...
...new line. To use when entering and editing switch commands. For example, enter co? 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-X ...the privileged prompt to display a list of command-line editing keystrokes. The system displays all commands that start with a specific set ip Set IP Permit List Set ICMP redirect enable/disable Set IP routing table entry Set ICMP unreachable messages Note ...
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...to specify individual ports or a hyphen (-) between the port numbers to the module number, not the slot number. To designate a specific port on these switches are the same. For example, 3/1 specifies module 3, port 1. To specify a range of ports. In most systems, the ... cannot be abbreviated. When you enter configuration commands on a specific module, the command syntax is always port 1. On modules that cannot be abbreviated. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most switch port is module 1, residing in slot 1. Table 2-4 shows...
...to specify individual ports or a hyphen (-) between the port numbers to the module number, not the slot number. To designate a specific port on these switches are the same. For example, 3/1 specifies module 3, port 1. To specify a range of ports. In most systems, the ... cannot be abbreviated. When you enter configuration commands on a specific module, the command syntax is always port 1. On modules that cannot be abbreviated. On the Catalyst 4912G, the Catalyst 2948G, and the Catalyst 2980G switches, the left -most switch port is module 1, residing in slot 1. Table 2-4 shows...
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... within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. A trap is hardware dependent. After you have to be on the Catalyst 4500 series switches, you can consist of each frame. Ports in IEEE 802.3ad, allows Cisco switches to eight compatibly configured Fast or Gigabit Ethernet ports on...
... within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. A trap is hardware dependent. After you have to be on the Catalyst 4500 series switches, you can consist of each frame. Ports in IEEE 802.3ad, allows Cisco switches to eight compatibly configured Fast or Gigabit Ethernet ports on...
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...7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that have ports with these assigned roles are called root or designated switches. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are connected to ...switched LAN of the switch. This exchange of messages results in the following actions: • A unique root switch is elected for the spanning tree network topology. • A designated switch is elected for information about other switches in STP-blocked mode. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
...7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that have ports with these assigned roles are called root or designated switches. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are connected to ...switched LAN of the switch. This exchange of messages results in the following actions: • A unique root switch is elected for the spanning tree network topology. • A designated switch is elected for information about other switches in STP-blocked mode. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... that are selected. Calculating the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each switch. • A designated switch is transmitted receive the BPDU. A BPDU exchange results in the frame to transmit data....(default) will be used to calculate a BPDU. A MAC frame conveying a BPDU sends the switch group address to the LAN on page 7-26. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 This is used to higher bandwidth ports by the...
... that are selected. Calculating the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to each switch. • A designated switch is transmitted receive the BPDU. A BPDU exchange results in the frame to transmit data....(default) will be used to calculate a BPDU. A MAC frame conveying a BPDU sends the switch group address to the LAN on page 7-26. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 This is used to higher bandwidth ports by the...
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...A port that is connected by treating all ports are connected to a nonbridging device (for the bridge. If the port connects to make a specific bridge IST master. To prevent a misconfiguration, PortFast turns off operationally if the port receives a BPDU. You can send back an agreement, then.... If an MST bridge is the root bridge for a port is displayed as edge, that lead to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Note To configure a port as an edge port you need to -point links. A...
...A port that is connected by treating all ports are connected to a nonbridging device (for the bridge. If the port connects to make a specific bridge IST master. To prevent a misconfiguration, PortFast turns off operationally if the port receives a BPDU. You can send back an agreement, then.... If an MST bridge is the root bridge for a port is displayed as edge, that lead to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Note To configure a port as an edge port you need to -point links. A...
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... 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 priority [vlans] Verify the port VLAN priority. The default is from 0-63. 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...
... 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 priority [vlans] Verify the port VLAN priority. The default is from 0-63. 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...
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...16 have path cost 110110. If all ports have the same priority value for an MISTP instance, the port with the lowest priority value for a specific MISTP instance forwards frames for that instance. To configure the port instance priority on an MISTP instance, perform this task in privileged mode: Task Configure...to faster media (such as full duplex) and higher numbers 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
...16 have path cost 110110. If all ports have the same priority value for an MISTP instance, the port with the lowest priority value for a specific MISTP instance forwards frames for that instance. To configure the port instance priority on an MISTP instance, perform this task in privileged mode: Task Configure...to faster media (such as full duplex) and higher numbers 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
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...show spantree mst 4 Spanning tree mode MST Instance 4 VLANs Mapped: 41-50 Designated Root Designated Root Priority 00-10-7b-bb-2f-00 32772 (root priority:32768, sys ID ext:4) Designated Root Cost 0 Remaining Hops 20 Designated...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 If all ports have the same priority for an MST instance, the port with the lowest priority for a specific...
...show spantree mst 4 Spanning tree mode MST Instance 4 VLANs Mapped: 41-50 Designated Root Designated Root Priority 00-10-7b-bb-2f-00 32772 (root priority:32768, sys ID ext:4) Designated Root Cost 0 Remaining Hops 20 Designated...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 If all ports have the same priority for an MST instance, the port with the lowest priority for a specific...
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... port on backbone or distribution layer switches. Note UplinkFast is most useful in wiring-closet switches that is a set of 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 Figure 8-1 shows...
... port on backbone or distribution layer switches. Note UplinkFast is most useful in wiring-closet switches that is a set of 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 Figure 8-1 shows...
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...-wide basis. This chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Configuring VTP CH A P T E R 9 This chapter describes how to configure the VLAN Trunking Protocol (VTP) on configuring VLANs, see Chapter 10, "Configuring VLANs." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1
...-wide basis. This chapter consists of problems, such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Configuring VTP CH A P T E R 9 This chapter describes how to configure the VLAN Trunking Protocol (VTP) on configuring VLANs, see Chapter 10, "Configuring VLANs." 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-1
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...in the management domain. VTP domain Lab_Network modified. y VTP domain Lab_Network modified Console> (enable) clear vtp pruneeligible 100-500 Vlans 1,100-500,1001-1023 will enable the pruning function in the management domain should be pruned on the device. Console> ...enable) set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being 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 indicates vtp ...
...in the management domain. VTP domain Lab_Network modified. y VTP domain Lab_Network modified Console> (enable) clear vtp pruneeligible 100-500 Vlans 1,100-500,1001-1023 will enable the pruning function in the management domain should be pruned on the device. Console> ...enable) set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. (By default, VLANs 2-1000 are being 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 indicates vtp ...
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...text in the configuration. - the secret hexadecimal format of the domain but cannot modify it is possible for the password. If you are specific to a VTP instance. • A VTP version 3 domain can be able to drop incoming VTP packets and prevent VTP advertisements on other.... A VTP version 3 secondary server can 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 The concept of client is that is not trusted and is not supposed to configure ...
...text in the configuration. - the secret hexadecimal format of the domain but cannot modify it is possible for the password. If you are specific to a VTP instance. • A VTP version 3 domain can be able to drop incoming VTP packets and prevent VTP advertisements on other.... A VTP version 3 secondary server can 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 The concept of client is that is not trusted and is not supposed to configure ...
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one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 For information on page 9-16. Figure 9-5 shows a VTP domain that cannot automatically be...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 Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of a VTP domain is added to a domain, it as the new primary ...
one specific VTP instance. 9-16 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 For information on page 9-16. Figure 9-5 shows a VTP domain that cannot automatically be...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 Primary Server Y Chapter 9 Configuring VTP 94282 Partitions exist because of a VTP domain is added to a domain, it as the new primary ...
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... Partition X In Figure 9-5, server X has the correct configuration for a particular instance. Switches refuse the takeover request if they are repeated to reduce this risk). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 In both cases, you need to reenter the password...if it might be due to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. If this is not the case, it belongs to the following : • The takeover erases conflicting configurations that are...
... Partition X In Figure 9-5, server X has the correct configuration for a particular instance. Switches refuse the takeover request if they are repeated to reduce this risk). Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 In both cases, you need to reenter the password...if it might be due to the same VTP domain but has a different primary server). • The takeover leaves this specific instance. If this is not the case, it belongs to the following : • The takeover erases conflicting configurations that are...
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... still flooded. VTP version 3 is transparent to the feature. Consequently, all VTP messages that there is used by the switch are tied to VLAN information. The primary server state is specific to the instance. Transparent and VTP Off Modes In VTP version 3, the transparent mode is exited due to the following...NVRAM. • A VTP version 3 secondary 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
... still flooded. VTP version 3 is transparent to the feature. Consequently, all VTP messages that there is used by the switch are tied to VLAN information. The primary server state is specific to the instance. Transparent and VTP Off Modes In VTP version 3, the transparent mode is exited due to the following...NVRAM. • A VTP version 3 secondary 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
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This capability might be used on a per -port basis. 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. Console> (enable) VTP... of the VTP domain and do not respond to display information that is disabled, no VTP packets are dropped. When a port is specific to the VTP domain, and use the statistics keyword to requests. Verify the change. Console> (enable) show other devices in the ...
This capability might be used on a per -port basis. 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. Console> (enable) VTP... of the VTP domain and do not respond to display information that is disabled, no VTP packets are dropped. When a port is specific to the VTP domain, and use the statistics keyword to requests. Verify the change. Console> (enable) show other devices in the ...