514 VLAN Commands
switchport trunk allowed vlan
Use the switchport trunk allowed vlan command in Interface Configuration mode to add 
VLANs to or remove VLANs from a trunk port. 
Syntax
switchport trunk allowed vlan {add 
vlan-list
|remove 
vlan-list
}
•
add
 
vlan-list
 — List of VLAN IDs to add. Separate non-consecutive VLAN IDs with a comma 
and no spaces. Use a hyphen to designate a range of IDs.
•
remove
 vlan-list
 — List of VLAN IDs to remove. Separate non-consecutive VLAN IDs with a 
comma and no spaces. Use a hyphen to designate a range of IDs.
Default Configuration
This command has no default configuration.
Command Mode
Interface Configuration (Ethernet, port-channel) mode
User Guidelines
This command has no user guidelines.
Example
The following example shows how to add VLANs 1, 2, and 5 to 8 to the allowed list.
console(config-if-1/g8)#switchport trunk allowed vlan add 1,2,5-8
vlan
Use the vlan command in VLAN Database mode to configure a VLAN. To delete a VLAN, use 
the no form of this command.
Syntax
vlan 
vlan-range
no vlan 
vlan-range
•
vlan-range
 — A list of valid VLAN IDs to be added. List separate, non-consecutive VLAN IDs 
separated by commas (without spaces); use a hyphen to designate a range of IDs. (Range: 
2–4093)
Default Configuration
This command has no default configuration.