Cisco WS-C2960-24TC-S Software Guide - Page 258
Creating or Modifying an Ethernet VLAN
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Configuring Normal-Range VLANs Chapter 12 Configuring VLANs Creating or Modifying an Ethernet VLAN Each Ethernet VLAN in the VLAN database has a unique, 4-digit ID that can be a number from 1 to 1001. VLAN IDs 1002 to 1005 are reserved for Token Ring and FDDI VLANs. To create a normal-range VLAN to be added to the VLAN database, assign a number and name to the VLAN. Note When the switch is in VTP transparent mode, you can assign VLAN IDs greater than 1006, but they are not added to the VLAN database. See the "Configuring Extended-Range VLANs" section on page 12-11. For the list of default parameters that are assigned when you add a VLAN, see the "Configuring Normal-Range VLANs" section on page 12-4. Beginning in privileged EXEC mode, follow these steps to use config-vlan mode to create or modify an Ethernet VLAN: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Command Purpose configure terminal Enter global configuration mode. vlan vlan-id Enter a VLAN ID, and enter config-vlan mode. Enter a new VLAN ID to create a VLAN, or enter an existing VLAN ID to modify that VLAN. Note The available VLAN ID range for this command is 1 to 4094. For information about adding VLAN IDs greater than 1005 (extended-range VLANs), see the "Configuring Extended-Range VLANs" section on page 12-11. name vlan-name (Optional) Enter a name for the VLAN. If no name is entered for the VLAN, the default is to append the vlan-id with leading zeros to the word VLAN. For example, VLAN0004 is a default VLAN name for VLAN 4. mtu mtu-size (Optional) Change the MTU size (or other VLAN characteristic). remote-span (Optional) Configure the VLAN as the RSPAN VLAN for a remote SPAN session. For more information on remote SPAN, see Chapter 23, "Configuring SPAN and RSPAN." end Return to privileged EXEC mode. show vlan {name vlan-name | id vlan-id} Verify your entries. copy running-config startup config (Optional) If the switch is in VTP transparent mode, the VLAN configuration is saved in the running configuration file as well as in the VLAN database. This saves the configuration in the switch startup configuration file. To return the VLAN name to the default settings, use the no name, no mtu, or no remote-span config-vlan commands. This example shows how to use config-vlan mode to create Ethernet VLAN 20, name it test20, and add it to the VLAN database: Switch# configure terminal Switch(config)# vlan 20 Switch(config-vlan)# name test20 Switch(config-vlan)# end 12-8 Catalyst 2960 Switch Software Configuration Guide OL-8603-04
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