PLANET SGSD-1022 - Manual (Page 579)

User’s Manual of SGSD-1022 / SGSD-1022P
SGSW-2840 / SGSW-2840P
Command Usage
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.
Example
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)#
5.21.4 Displaying VLAN Information
Command Function Mode
show vlan Shows VLAN information NE, PE
show interfaces status vlan Displays status for the specified VLAN interface NE, PE
show interfaces switchport Displays the administrative and operational status of an
interface
NE, PE
Table 5-70 Show VLAN Command
show vlan
This command shows VLAN information.
Syntax
show vlan [id vlan-id | name vlan-name]
id - Keyword to be followed by the VLAN ID. vlan-id - ID of the configured VLAN. (Range: 1-4094, no leading zeroes)
name - Keyword to be followed by the VLAN name.
vlan-name -ASCII string from 1 to 32 characters.
Default Setting
Shows all VLANs.
Command Mode
Normal Exec, Privileged Exec
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