Command Line Interface Reference Guide HP BladeSystem PC Blade Switch

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VLAN Commands
switchport forbidden vlan
The switchport forbidden vlan Interface Configuration mode command forbids adding specific
VLANs to a port. To return to the default configuration, use the remove parameter for this
command.
Syntax
switchport forbidden vlan {add
vlan-list | remove vlan-list}
Parameters
n add vlan-list — Specifies the list of VLAN IDs to be added. Separate nonconsecutive VLAN
IDs with a comma and no spaces. A hyphen designates a range of IDs.
n remove vlan-list — Specifies the list of VLAN IDs to be removed. Separate nonconsecutive
VLAN IDs with a comma and no spaces. A hyphen designates a range of IDs.
Default Setting
All VLANs are allowed.
Command Mode
Interface Configuration (Ethernet, port-channel) mode
Command Usage
This command can be used to prevent GVRP from automatically making the specified VLANs
active on the selected ports.
Example
The following
command forbids adding VLAN IDs 234 to 256 to Ethernet port e42.
Console(config)# interface ethernet e42
Console(config-if)# switchport forbidden vlan add 234-256