Command Line Interface
8631553-KDU 137 365 Uen D 2006-06-16
7.17.11 switchport forbidden vlan
This command configures forbidden VLANs. Use the no form to remove the list
of forbidden VLANs.
Syntax
switchport forbidden vlan {add <vlan-list> | remove
<vlan-list>}
no switchport forbidden vlan
• add <vlan-list> - List of VLAN identifiers to add.
• remove <vlan-list> - List of VLAN identifiers to remove.
• vlan-list - Separate nonconsecutive VLAN identifiers with a
comma and no spaces; use a hyphen to designate a range of IDs.
Do not enter leading zeros. (Range: 1-4094).
Default Setting
No VLANs are included in the forbidden list.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• This command prevents a VLAN from being automatically added to the
specified interface through GVRP.
• If a VLAN has been added to the set of allowed VLANs for an interface,
it cannot be added to the set of forbidden VLANs for that same interface.
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