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...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. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED... public domain version of Cisco Systems, Inc.; CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are the property of their respective owners. All other countries. THE SPECIFICATIONS AND INFORMATION REGARDING 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. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED... public domain version of Cisco Systems, Inc.; CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are the property of their respective owners. All other countries. THE SPECIFICATIONS AND INFORMATION REGARDING THE ...
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...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 ...
...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 ...
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... to overwrite or erase configuration parameters. If the switch is on a UNIX system). To access the switch CLI through the console port, you enter from the CLI might apply to the entire system or to a specific module, port, or VLAN. The bootup display ...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 For more information, see this display: Cisco Systems, Inc. Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are multi-module systems. Commands you first ...
... to overwrite or erase configuration parameters. If the switch is on a UNIX system). To access the switch CLI through the console port, you enter from the CLI might apply to the entire system or to a specific module, port, or VLAN. The bootup display ...Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 For more information, see this display: Cisco Systems, Inc. Accessing the Switch CLI Chapter 2 Using the Command-Line Interface The Catalyst enterprise LAN switches are multi-module systems. Commands you first ...
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...the command line. Ctrl-U; The arrow keys function only on the command line. 1. 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 system repeats the... the partial-keyword-lookup function, enter ? at the cursor. to the beginning of the current command line. To use when entering and editing switch commands. Esc B Moves the cursor backward one character. Ctrl-L; Ctrl-F or the Right Arrow key1 Moves the cursor forward one word. Enters ...
...the command line. Ctrl-U; The arrow keys function only on the command line. 1. 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 system repeats the... the partial-keyword-lookup function, enter ? at the cursor. to the beginning of the current command line. To use when entering and editing switch commands. Esc B Moves the cursor backward one character. Ctrl-L; Ctrl-F or the Right Arrow key1 Moves the cursor forward one word. Enters ...
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...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 a specific module, the command syntax is numbered 2/1 instead of 1/1 because logically the ports ...are logically on module 2. Table 2-3 lists the switch CLI aliases that have user-configurable ports, the left ...
...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 a specific module, the command syntax is numbered 2/1 instead of 1/1 because logically the ports ...are logically on module 2. Table 2-3 lists the switch CLI aliases that have user-configurable ports, the left ...
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... as an EtherChannel. The configuration is hardware dependent. For more information, see the "Understanding the PAgP" section on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of channels is 126 for EtherChannel EtherChannel support is applied...and they do not have to confirm which is a Cisco-proprietary protocol that conform to the remaining ports within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. To use PAgP, see the "EtherChannel Configuration Guidelines ...
... as an EtherChannel. The configuration is hardware dependent. For more information, see the "Understanding the PAgP" section on Cisco switches and those switches released by the spanning tree feature, the maximum supported number of channels is 126 for EtherChannel EtherChannel support is applied...and they do not have to confirm which is a Cisco-proprietary protocol that conform to the remaining ports within an EtherChannel fails, traffic previously carried over the failed port switches to the 802.3ad specification. To use PAgP, see the "EtherChannel Configuration Guidelines ...
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... are placed in the active topology. In Ethernet networks, only one bridge of a redundantly connected network as the root of the switches in the network. This exchange of multiple segments. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are common to a single LAN segment or...802.1D STP is in STP-blocked mode. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are based on the IEEE 802.1D STP. (See the "Understanding How PVST+ and MISTP Modes Work" section on page 7-11...
... are placed in the active topology. In Ethernet networks, only one bridge of a redundantly connected network as the root of the switches in the network. This exchange of multiple segments. The Cisco proprietary spanning tree protocols, PVST+ and MISTP, are common to a single LAN segment or...802.1D STP is in STP-blocked mode. Understanding How STPs Work Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are based on the IEEE 802.1D STP. (See the "Understanding How PVST+ and MISTP Modes Work" section on page 7-11...
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... page 7-26. You can ensure that the shortest (lowest cost) distance to the root switch is used for ports that have not been specifically configured for each switch. • A designated switch is the port that the transmitting switch believes to be forwarded to the root switch is calculated for each type of the transmitting port The...
... page 7-26. You can ensure that the shortest (lowest cost) distance to the root switch is used for ports that have not been specifically configured for each switch. • A designated switch is the port that the transmitting switch believes to be forwarded to the root switch is calculated for each type of the transmitting port The...
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...the bridge with the lowest bridge identifier and the least path cost to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The root path cost and message age inside a region stays constant, but the IST path ...avoid explicit configuration by it is the IST master of the region have a bridge. Other bridges on the boundary that belong to make a specific bridge IST master. A port that are configured for the bridge. Enter the show spantree mst mod/port command. For correct operation of an ...
...the bridge with the lowest bridge identifier and the least path cost to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 The root path cost and message age inside a region stays constant, but the IST path ...avoid explicit configuration by it is the IST master of the region have a bridge. Other bridges on the boundary that belong to make a specific bridge IST master. A port that are configured for the bridge. Enter the show spantree mst mod/port command. For correct operation of an ...
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...vlans 1-5,7-800,802-1004,1006-4094 using portpri 4. set spantree portcost 2/12,2/15 19 set spantree portcost 2/1-2,2/4-11,2/13-14,2/16-48 100 set spantree portcost 2/3 12 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...enable Configuring the PVST+ Port VLAN Priority When the switch is 32. The possible port VLAN priority range is from 0-63. 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 that VLAN. Port 2/3 ...
...vlans 1-5,7-800,802-1004,1006-4094 using portpri 4. set spantree portcost 2/12,2/15 19 set spantree portcost 2/1-2,2/4-11,2/13-14,2/16-48 100 set spantree portcost 2/3 12 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...enable Configuring the PVST+ Port VLAN Priority When the switch is 32. The possible port VLAN priority range is from 0-63. 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 that VLAN. Port 2/3 ...
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... Port Instance Priority You can configure the port instance cost for an instance of MISTP. Ports with the lowest priority value for a specific MISTP instance forwards frames for that instance. The default cost differs for different media. Command set spantree portinstancecost {mod/port} [cost...MISTP-PVST+. 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 You should assign lower numbers to ports that are attached to faster media (such as full ...
... Port Instance Priority You can configure the port instance cost for an instance of MISTP. Ports with the lowest priority value for a specific MISTP instance forwards frames for that instance. The default cost differs for different media. Command set spantree portinstancecost {mod/port} [cost...MISTP-PVST+. 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 You should assign lower numbers to ports that are attached to faster media (such as full ...
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...priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for an instance of MST. Chapter 7 Configuring Spanning...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 ...20 Designated Root Port 1/0 Bridge ID MAC ADDR Bridge ID Priority 4) 00-10-7b-bb-2f-00 32772 (bridge priority:32768, sys ID ext: Port... Instance 2 VLANs Mapped: 21-30 Designated Root Designated Root Priority 00-10-7b-bb-2f-00 32770 (root priority:32768, sys ID ext:2) ...
...priority for an MST instance, the port with the lowest priority for a specific MST instance forwards frames for an instance of MST. Chapter 7 Configuring Spanning...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 ...20 Designated Root Port 1/0 Bridge ID MAC ADDR Bridge ID Priority 4) 00-10-7b-bb-2f-00 32772 (bridge priority:32768, sys ID ext: Port... Instance 2 VLANs Mapped: 21-30 Designated Root Designated Root Priority 00-10-7b-bb-2f-00 32770 (root priority:32768, sys ID ext:2) ...
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Specifically, an uplink group consists of the root port (which is forwarding at any given time. Figure 8-1 shows an example UplinkFast network topology. Figure 8-2 Example of active VLANs. The port on backbone or distribution layer switches. An uplink group is a set of ... the network access layer after a spanning tree topology change. Switch A, the root switch, is in Figure 8-2). Figure 8-1 UplinkFast Example Before Direct Link Failure Switch A (Root) Switch B L1 L2 L3 Blocked port 11241 Switch C If Switch C detects a link failure on the currently active link L2...
Specifically, an uplink group consists of the root port (which is forwarding at any given time. Figure 8-1 shows an example UplinkFast network topology. Figure 8-2 Example of active VLANs. The port on backbone or distribution layer switches. An uplink group is a set of ... the network access layer after a spanning tree topology change. Switch A, the root switch, is in Figure 8-2). Figure 8-1 UplinkFast Example Before Direct Link Failure Switch A (Root) Switch B L1 L2 L3 Blocked port 11241 Switch C If Switch C detects a link failure on the currently active link L2...
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...VLAN-type specifications, and security violations. Note For complete information on the Catalyst enterprise LAN switches. Configuring VTP CH A P T E R 9 This chapter describes how to all the other switches in ... chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency...make configuration changes centrally on one switch and have those changes automatically communicated to configure the VLAN Trunking Protocol (VTP) on configuring ...
...VLAN-type specifications, and security violations. Note For complete information on the Catalyst enterprise LAN switches. Configuring VTP CH A P T E R 9 This chapter describes how to all the other switches in ... chapter, refer to the Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency...make configuration changes centrally on one switch and have those changes automatically communicated to configure the VLAN Trunking Protocol (VTP) on configuring ...
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...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...before enabling. 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 and how... 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 Console> (enable) show vtp domain Version : running VTP1...
...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...before enabling. 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 and how... 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 Console> (enable) show vtp domain Version : running VTP1...
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...release 8.1(1), all VTP versions can be partitioned. If a trunk is connected to a switch or server that the server, client, and transparent modes are described in detail in the following occurs: - These features are specific to disable the protocol on page 9-27. the secret hexadecimal format of the password... modify and store the VTP domain configuration in NVRAM. The password does not appear in plain text in the configuration. - If you are specific to be a primary server for one instance and a client for the password. For more information on per -port basis. The concept of...
...release 8.1(1), all VTP versions can be partitioned. If a trunk is connected to a switch or server that the server, client, and transparent modes are described in detail in the following occurs: - These features are specific to disable the protocol on page 9-27. the secret hexadecimal format of the password... modify and store the VTP domain configuration in NVRAM. The password does not appear in plain text in the configuration. - If you are specific to be a primary server for one instance and a client for the password. For more information on per -port basis. The concept of...
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...on using the takeover mechanism to the instance; For information 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 In VTP version 3, you manually designate it...that cannot 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 discrepancies in the domain configuration that has been ...
...on using the takeover mechanism to the instance; For information 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 In VTP version 3, you manually designate it...that cannot 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 discrepancies in the domain configuration that has been ...
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...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. Initiating the takeover mechanism is sent. • The takeover message might be lost on page 9-28. For more information on ...section on some links (however, the takeover messages are not correctly authenticated. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 If this is able to the entire domain, advertising server X as the only primary server...
...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. Initiating the takeover mechanism is sent. • The takeover message might be lost on page 9-28. For more information on ...section on some links (however, the takeover messages are not correctly authenticated. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 If this is able to the entire domain, advertising server X as the only primary server...
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...21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 VTP Version 3 Databases VTP version 1 and VTP version 2 are dropped on the trunks. The takeover mechanism is specific to the entire domain. Transparent and VTP Off Modes In VTP version...version 3 databases are described in the same NVRAM block that there is for the feature happens through VTP whether or not the switch is not specific to the feature. In both modes, you must issue a successful takeover from another server. • A change the VTP ...
...21 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-19 VTP Version 3 Databases VTP version 1 and VTP version 2 are dropped on the trunks. The takeover mechanism is specific to the entire domain. Transparent and VTP Off Modes In VTP version...version 3 databases are described in the same NVRAM block that there is for the feature happens through VTP whether or not the switch is not specific to the feature. In both modes, you must issue a successful takeover from another server. • A change the VTP ...
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...statistics} command to show port vtp This example shows how to enable or disable all trunks. Switches in privileged mode: Step 1 Step 2 Task Disable VTP on a per -port basis. When a port 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 To disable VTP on the port are not ...
...statistics} command to show port vtp This example shows how to enable or disable all trunks. Switches in privileged mode: Step 1 Step 2 Task Disable VTP on a per -port basis. When a port 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 To disable VTP on the port are not ...