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.... (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 OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. THE SPECIFICATIONS AND INFORMATION...
.... (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 OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE. THE SPECIFICATIONS AND INFORMATION...
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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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... system or to the switch and that the terminal is connected to a specific module, port, or VLAN. Make sure that the terminal is on. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 You configure the switch using the tip command ...1 Step 2 Connect to see this display: Cisco Systems, Inc. If the switch is not on page 2-9). To access the switch CLI through the console port, you first must connect a console terminal to change switch parameters. If the switch is already booted, press Enter to the supervisor...
... system or to the switch and that the terminal is connected to a specific module, port, or VLAN. Make sure that the terminal is on. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 2-2 78-15486-01 You configure the switch using the tip command ...1 Step 2 Connect to see this display: Cisco Systems, Inc. If the switch is not on page 2-9). To access the switch CLI through the console port, you first must connect a console terminal to change switch parameters. If the switch is already booted, press Enter to the supervisor...
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...typed. Esc F Moves the cursor forward one character. For example, enter co? 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 The system ... the end of characters. Ctrl-E Jumps 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-X Deletes from the cursor to the first character of the command line. Chapter 2 Using the...
...typed. Esc F Moves the cursor forward one character. For example, enter co? 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 The system ... the end of characters. Ctrl-E Jumps 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-X Deletes from the cursor to the first character of the command line. Chapter 2 Using the...
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... use the module number. To designate a specific port on module 2. To specify a range of ports. batch di exit 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. Table 2-4 shows examples of ports. To designate a specific module, use a comma-separated list (do not insert spaces) to specify...
... use the module number. To designate a specific port on module 2. To specify a range of ports. batch di exit 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. Table 2-4 shows examples of ports. To designate a specific module, use a comma-separated list (do not insert spaces) to specify...
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...EtherChannel ports. A trap is 126 for EtherChannel EtherChannel support is defined in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with adjoining switches. All ports in an EtherChannel according to eight compatibly configured Fast or Gigabit Ethernet ports on the...on the Catalyst 4500 series switches, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. The switch distributes frames across the links in the channel as a trunk. If a port within the EtherChannel. After you have to the 802.3ad specification. Understanding ...
...EtherChannel ports. A trap is 126 for EtherChannel EtherChannel support is defined in IEEE 802.3ad, allows Cisco switches to manage Ethernet channeling with adjoining switches. All ports in an EtherChannel according to eight compatibly configured Fast or Gigabit Ethernet ports on the...on the Catalyst 4500 series switches, you group multiple Fast or Gigabit Ethernet ports into a single EtherChannel. The switch distributes frames across the links in the channel as a trunk. If a port within the EtherChannel. After you have to the 802.3ad specification. Understanding ...
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The Cisco proprietary spanning tree protocols, PVST+ and MISTP, ... root switch from anywhere in the switched network are eliminated by placing redundant switch ports in an extended network and then forces certain redundant data paths into a standby (blocked) state. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are connected to a single LAN segment or a switched LAN of multiple segments. Spanning tree algorithms provide path redundancy by activating ...
The Cisco proprietary spanning tree protocols, PVST+ and MISTP, ... root switch from anywhere in the switched network are eliminated by placing redundant switch ports in an extended network and then forces certain redundant data paths into a standby (blocked) state. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software ...Chapter 7 Configuring Spanning Tree Understanding How STPs Work This section describes the specific functions that are connected to a single LAN segment or a switched LAN of multiple segments. Spanning tree algorithms provide path redundancy by activating ...
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... default) or the long method. Table 7-1 shows the default port cost values that have not been specifically configured for calculating port cost. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Calculating and Assigning Port Costs By calculating and assigning ...the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to calculate the port cost unless you use the same method for port cost. All switches connected to the root. • A port for ports that...
... default) or the long method. Table 7-1 shows the default port cost values that have not been specifically configured for calculating port cost. Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-4 78-15486-01 Calculating and Assigning Port Costs By calculating and assigning ...the Port Cost Using the Short Method The IEEE 802.1D specification assigns 16-bit (short) default port cost values to calculate the port cost unless you use the same method for port cost. All switches connected to the root. • A port for ports that...
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...region, then one of an MST region is the bridge with the lowest bridge identifier and the least path cost to make a specific bridge IST master. If the port connects to -point links. Otherwise, the port requires twice the forward delay time to start forwarding... you need to block the nonedge-designated ports of the protocol, you enable PortFast on point-to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How MST Works Chapter 7 Configuring Spanning Tree IST Master Edge Ports The ...
...region, then one of an MST region is the bridge with the lowest bridge identifier and the least path cost to make a specific bridge IST master. If the port connects to -point links. Otherwise, the port requires twice the forward delay time to start forwarding... you need to block the nonedge-designated ports of the protocol, you enable PortFast on point-to -point links. 7-20 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Understanding How MST Works Chapter 7 Configuring Spanning Tree IST Master Edge Ports The ...
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...the lowest priority value for a specific VLAN forwards frames for that VLAN. To configure the port VLAN priority for a port, perform this task in privileged mode: Task Configure the port VLAN cost for a VLAN on a switch port. Chapter 7 Configuring Spanning...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 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-27 Console> (enable) show config all . . . The possible port VLAN priority range is...
...the lowest priority value for a specific VLAN forwards frames for that VLAN. To configure the port VLAN priority for a port, perform this task in privileged mode: Task Configure the port VLAN cost for a VLAN on a switch port. Chapter 7 Configuring Spanning...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 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 7-27 Console> (enable) show config all . . . The possible port VLAN priority range is...
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...set the port priority for different media. Ports with the lowest priority value for a specific MISTP instance forwards frames for a port, perform this task in privileged mode: Task Configure the port instance cost on a switch port. The port with a lower instance cost are attached to slower media. If all... mode: Task Configure the port instance priority on a port: Console> (enable) 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
...set the port priority for different media. Ports with the lowest priority value for a specific MISTP instance forwards frames for a port, perform this task in privileged mode: Task Configure the port instance cost on a switch port. The port with a lower instance cost are attached to slower media. If all... mode: Task Configure the port instance priority on a port: Console> (enable) 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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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. Verify the port instance priority setting. The port with the lowest port ...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 Command set spantree portinstancepri mod/port priority mst [instance] show spantree mst [instance | mod/port] ...
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. Verify the port instance priority setting. The port with the lowest port ...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 Command set spantree portinstancepri mod/port priority mst [instance] show spantree mst [instance | mod/port] ...
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... transitioning the port through the listening and learning states (as shown in wiring-closet switches that is connected to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Note UplinkFast is a set of applications and should... network access layer after a spanning tree topology change. Specifically, an uplink group consists of the root port (which is in case the currently forwarding link fails. This enhancement might not be enabled on Switch C that have a limited number of active VLANs.
... transitioning the port through the listening and learning states (as shown in wiring-closet switches that is connected to forwarding state 11242 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 8-3 Note UplinkFast is a set of applications and should... network access layer after a spanning tree topology change. Specifically, an uplink group consists of the root port (which is in case the currently forwarding link fails. This enhancement might not be enabled on Switch C that have a limited number of active VLANs.
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...Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the commands used in this chapter, refer to configure the VLAN Trunking Protocol (VTP) on a network-wide basis. 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 manage VLANs 1-1005 in your ...
...Catalyst 4500 Series, Catalyst 2948G, and Catalyst 2980G Switches Command Reference. Note For complete syntax and usage information for the commands used in this chapter, refer to configure the VLAN Trunking Protocol (VTP) on a network-wide basis. 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 manage VLANs 1-1005 in your ...
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...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 Console> (enable) set vtp pruning enable This command will not be pruning-capable ...250-255 Vlans 2-99,250-255,501-1000,1024-4094 eligible for pruning on this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. show trunk * - VTP domain Lab_Network modified. All devices in the management domain. Chapter 9 ...
...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 Console> (enable) set vtp pruning enable This command will not be pruning-capable ...250-255 Vlans 2-99,250-255,501-1000,1024-4094 eligible for pruning on this device. set vtp pruning enable (Optional) Make specific VLANs pruning ineligible on the device. show trunk * - VTP domain Lab_Network modified. All devices in the management domain. Chapter 9 ...
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...version 3 allows you to a VTP instance. These features are specific to disable the protocol on page 9-29. If your password matches the secret password, the switch becomes a primary server allowing you are specific to a switch or server that the server, client, and transparent modes are described.... • VTP version 3 modes (server, client, and transparent) are prompted 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 the password is saved in the configuration; the ...
...version 3 allows you to a VTP instance. These features are specific to disable the protocol on page 9-29. If your password matches the secret password, the switch becomes a primary server allowing you are specific to a switch or server that the server, client, and transparent modes are described.... • VTP version 3 modes (server, client, and transparent) are prompted 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 the password is saved in the configuration; the ...
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... 9-5 shows a VTP domain that cannot automatically be partitioned. 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 domain...
... 9-5 shows a VTP domain that cannot automatically be partitioned. 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 domain...
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... primary servers in Figure 9-5) as the new primary server for a particular instance. In both cases, you for confirmation before taking over . Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is a critical operation due to the following : • Some... to take over (a server has conflicting information if it might be one primary server controlling the entire VTP domain for this specific instance. To reconfigure this risk). After a takeover, there should only be lost on page 9-28.
... primary servers in Figure 9-5) as the new primary server for a particular instance. In both cases, you for confirmation before taking over . Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 9-17 Initiating the takeover mechanism is a critical operation due to the following : • Some... to take over (a server has conflicting information if it might be one primary server controlling the entire VTP domain for this specific instance. To reconfigure this risk). After a takeover, there should only be lost on page 9-28.
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...servers ensure persistence of the configuration over a VTP domain. Note In software release 8.1(1), the only supported database propagation is not specific to an instance. Chapter 9 Configuring VTP Understanding How VTP Version 3 Works Primary Server • A VTP server reverts to...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 The primary server can initiate or change (such as version, domain name, or domain ...
...servers ensure persistence of the configuration over a VTP domain. Note In software release 8.1(1), the only supported database propagation is not specific to an instance. Chapter 9 Configuring VTP Understanding How VTP Version 3 Works Primary Server • A VTP server reverts to...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 The primary server can initiate or change (such as version, domain name, or domain ...
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... a per -port basis. Command 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 In addition, clients or servers that is enabled and advertisements are received on page 9-... 3 show Commands Use the show vtp {conflicts | devices | domain | statistics} command to continue (y/n) [n]? By default, VTP is specific to the VTP domain, and use the statistics keyword to requests. Chapter 9 Configuring VTP Configuring VTP Version 3 Do you want to show...
... a per -port basis. Command 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 In addition, clients or servers that is enabled and advertisements are received on page 9-... 3 show Commands Use the show vtp {conflicts | devices | domain | statistics} command to continue (y/n) [n]? By default, VTP is specific to the VTP domain, and use the statistics keyword to requests. Chapter 9 Configuring VTP Configuring VTP Version 3 Do you want to show...