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Command Reference Guide
switchport trunk allowed vlan
Use the switchport trunk allowed vlan command to allow certain virtual local area networks (VLANs) to
transmit and receive traffic on this port when the interface is in trunking mode. To return to the default
setting, use the no form of this command. Variations of this command include:
switchport trunk allowed vlan <list>
switchport trunk allowed vlan add <list>
switchport trunk allowed vlan all
switchport trunk allowed vlan except <list>
switchport trunk allowed vlan remove <list>
Syntax Description
add
all
except
remove
<list>
Default Values
By default, all valid VLANs are allowed.
Command History
Release 5.1
Functional Notes
A VLAN list is a set of VLAN IDs. A valid VLAN ID value must be from 1 to 4094 (inclusive). Each VLAN ID
in a list is delimited by commas, yet a range of IDs may be expressed as a single element by using a
hyphen between endpoints. For example, the VLAN ID range 1,2,3,4,6,7,8,9,500 may be more easily
expressed as 1-4,6-9,500. No spaces are allowed in a valid ID range.
Usage Examples
The following example adds VLANs to the previously existing list of VLANs allowed to transmit and receive
on this port:
(config)#interface port-channel 1
(config-p-chan1)#switchport trunk allowed vlan add 1-4,6-9,500
60000CRG0-35E
Adds the specified VLAN IDs to the VLAN trunking allowed list.
Adds all configured VLAN IDs to the VLAN trunking allowed list.
Adds all configured VLAN IDs to the VLAN trunking allowed list except
those specified in the VLAN ID list.
Removes VLAN IDs from the VLAN trunking allowed list.
Specifies a list of valid VLAN interface IDs. Refer to Functional Notes below
for additional syntax considerations.
Command was introduced.
Copyright © 2012 ADTRAN, Inc.
Port Channel Interface Command Set
2459
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