Switchport Trunk Allowed Vlan - Cisco 300 Series Cli Manual

Stackable managed switches

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Table of Contents

Default Configuration

The interface belongs to the default VLAN.

Command Mode

Interface (Ethernet, Port Channel) Configuration mode

User Guidelines

The command automatically removes the port from its previous VLAN and adds it

to the new VLAN.

If the interface is a forbidden member of the added VLAN, the interface does not

become a member of this VLAN. The system displays an error message about this

("An interface cannot become a a member of a forbidden VLAN. This message will

only be displayed once.").

The following example sets

removes it from its previous VLAN).

switchxxxxxx(config)#

switchxxxxxx(config-if)#

56.14 switchport trunk allowed vlan

A trunk interface is an untagged member of a single VLAN, and, in addition, it may

be an tagged member of one or more VLANs. The switchport trunk allowed vlan

Interface Configuration mode command adds/removes VLAN(s) to/from a trunk

switchport trunk allowed vlan {add

—Specifies a list of VLAN IDs to add to a port. Separate

nonconsecutive VLAN IDs with a comma and no spaces; use a hyphen to

designate a range of IDs.

Virtual Local Area Network (VLAN) Commands

1 as an access port and assigns it to VLAN 2 (and

interface gi12

switchport mode access

switchport access vlan

OL-32830-01 Command Line Interface Reference Guide