Switchport Trunk Allowed Vlan - Cisco 300 Series Cli Manual

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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.").
Example
The following example sets
removes it from its previous VLAN).
switchxxxxxx(config)#
switchxxxxxx(config-if)#
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
port.
Syntax
switchport trunk allowed vlan {add
Parameters
•
vlan-list
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
gi1
interface gi12
switchport mode access
switchport access vlan
vlan-list
| remove
OL-32830-01 Command Line Interface Reference Guide
2
vlan-list
}