VLAN Commands 807
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
User Guidelines
This configuration only applies to ports configured in general mode.
Example
The following example forbids adding VLAN numbers 234 through 256 to
port 1/0/8.
console(config)#interface gigabitethernet 1/0/8
console(config-if-1/0/8)#switchport general forbidden
vlan add 234-256
switchport general acceptable-frame-type
tagged-only
Use the switchport general acceptable-frame-type tagged-only command in
Interface Configuration mode to discard untagged frames at ingress. To
enable untagged frames at ingress, use the no form of this command.
Syntax
switchport general acceptable-frame-type tagged-only
no switchport general acceptable-frame-type tagged-only
Default Configuration
All frame types are accepted at ingress.
Command Mode
Interface Configuration (gigabitethernet, port-channel, tengigabitethernet,
fortygigabitethernet) mode
User Guidelines
This command has no user guidelines.
2CSPC4.X8100-SWUM102.book Page 807 Friday, March 15, 2013 8:56 AM