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Configure Basic Attributes of VLANs

Configuration Condition

None

Configure a VLAN

Each VLAN corresponds to a broadcast domain. The users in the same VLAN can communicate with each other at layer 2, while users from different VLANs are isolated from each other at layer 2.

Table 3-2 Configuring a VLAN

Step

Command

Description

Enter the global configuration mode.

configure terminal

-

Create a VLAN.

vlan vlan-list

Mandatory.

By default, the system automatically creates VLAN1.

In creating a single VLAN, after a VLAN is created, you will enter the VLAN configuration mode. In creating multiple VLANs, after a VLAN is created, you are still in the current configuration mode.

Configure the VLAN Name

To facilitate memory and management, you can configure the name of a VLAN according to the service type, function, and connection of the VLAN.

Table 3-3 Configure the VLAN name.

Step

Command

Description

Enter the global configuration mode.

configure terminal

-

Enters the VLAN configuration mode.

vlan vlan-id

-

Configure the VLAN name.

name vlan-name

Mandatory.

By default, the name of VLAN1 is DEFAULT, and the names of other VLANs follow the format "VLANvlan-id", such as VLAN100.