Edge-Core ES3510MA, Management Manual

Page: 784 / 984

C
HAPTER
34
| VLAN Commands
GVRP and Bridge Extension Commands
– 784 –
switchport
forbidden vlan
This command configures forbidden VLANs. Use the no form to remove the
list of forbidden VLANs.
S
YNTAX
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: 1-4093).
D
EFAULT
S
ETTING
No VLANs are included in the forbidden list.
C
OMMAND
M
ODE
Interface Configuration (Ethernet, Port Channel)
C
OMMAND
U
SAGE
◆
This command prevents a VLAN from being automatically added to the
specified interface via GVRP.
◆
If a VLAN has been added to the set of allowed VLANs for an interface,
then you cannot add it to the set of forbidden VLANs for that same
interface.
E
XAMPLE
The following example shows how to prevent port 1 from being added to
VLAN 3:
Console(config)#interface ethernet 1/1
Console(config-if)#switchport forbidden vlan add 3
Console(config-if)#
switchport gvrp
This command enables GVRP for a port. Use the no form to disable it.
S
YNTAX
[ no ] switchport gvrp
D
EFAULT
S
ETTING
Disabled
C
OMMAND
M
ODE
Interface Configuration (Ethernet, Port Channel)