Cisco Catalyst 2900 Series XL Especificaciones descargar pdf (Pagina 214)

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Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide

78-6511-06

Chapter8 Configuring VLANs

VLANs in the VTP Database

Configuring VLANs in the VTP Database

You use the CLI vlan database VLAN database command to add, change, and delete VLANs. In VTP

server or transparent mode, commands to add, change, and delete VLANs are written to the file vlan.dat,

and you can display them by entering the privileged EXEC show vlan command. The vlan.dat file is

stored in nonvolatile memory. The vlan.dat file is upgraded automatically, but you cannot return to an

earlier version of Cisco IOS after you upgrade to this release.

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 or VTP, use the VLAN database commands

described in the Catalyst 2900 Series XL and Catalyst 3500 Series XL Command Reference.

You use the interface configuration command mode to define the port membership mode and 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 privileged EXEC show running-config command.

Note VLANs can be configured to support a number of parameters that are not discussed in detail in this

section. For complete information on the commands and parameters that control VLAN

configuration, refer to the Catalyst 2900 Series XL and Catalyst 3500 Series XL Command

Reference.

Table 8-10 Token Ring (TRCRF) VLAN Defaults and Ranges

Parameter Default Range

VLAN ID 1003 1–1005

VLAN name VLANxxxx, where xxxx is the VLAN ID No range

802.10 SAID 100000+VLAN ID 1–4294967294

Ring Number VTPv1 default 0; VTPv2 user-specified 1–4095

Parent VLAN VTPv1 default 0; VTPv2 user-specified 0–1005

MTU size VTPv1 default 1500; VTPv2 default 4472 1500–18190

Translational bridge 1 0 0–1005

Translational bridge 2 0 0–1005

VLAN state active active, suspend

Bridge mode srb srb, srt

ARE max hops 7 0–13

STE max hops 7 0–13

Backup CRF disabled disable; enable

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Cisco Catalyst 2900 Series XL Especificaciones Pagina 214