Cisco WS-2960-24LC-S Software Guide - Page 254
Configuring Normal-Range VLANs
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Configuring Normal-Range VLANs Chapter 12 Configuring VLANs Configuring Normal-Range VLANs Normal-range VLANs are VLANs with VLAN IDs 1 to 1005. If the switch is in VTP server or VTP transparent mode, you can add, modify or remove configurations for VLANs 2 to 1001 in the VLAN database. (VLAN IDs 1 and 1002 to 1005 are automatically created and cannot be removed.) Note When the switch is in VTP transparent mode, you can also create extended-range VLANs (VLANs with IDs from 1006 to 4094), but these VLANs are not saved in the VLAN database. See the "Configuring Extended-Range VLANs" section on page 12-11. Configurations for VLAN IDs 1 to 1005 are written to the file vlan.dat (VLAN database), and you can display them by entering the show vlan privileged EXEC command. The vlan.dat file is stored in flash memory. Caution You can cause inconsistency in the VLAN database if you attempt to manually delete the vlan.dat file. If you want to modify the VLAN configuration, use the commands described in these sections and in the command reference for this release. To change the VTP configuration, see Chapter 13, "Configuring VTP." You use the interface configuration mode to define the port membership mode and to add and remove ports from VLANs. The results of these commands are written to the running-configuration file, and you can display the file by entering the show running-config privileged EXEC command. You can set these parameters when you create a new normal-range VLAN or modify an existing VLAN in the VLAN database: • VLAN ID • VLAN name • VLAN type (Ethernet, Fiber Distributed Data Interface [FDDI], FDDI network entity title [NET], TrBRF, or TrCRF, Token Ring, Token Ring-Net) • VLAN state (active or suspended) • Maximum transmission unit (MTU) for the VLAN • Security Association Identifier (SAID) • Bridge identification number for TrBRF VLANs • Ring number for FDDI and TrCRF VLANs • Parent VLAN number for TrCRF VLANs • Spanning Tree Protocol (STP) type for TrCRF VLANs • VLAN number to use when translating from one VLAN type to another Note This section does not provide configuration details for most of these parameters. For complete information on the commands and parameters that control VLAN configuration, see the command reference for this release. 12-4 Catalyst 2960 Switch Software Configuration Guide OL-8603-04
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