Switchport Trunk Allowed Vlan - Planet SGS-6341 Series Command Manual

Command mode:
Port Mode.
Default:
access mode.
Usage Guide:
Configure the port as trunk, enable it to leave all VLANs and clear allow-list.
Example:
Switch(config-if-ethernet1/0/1)#switchport mode trunk allow-null

12.1.32 switchport trunk allowed vlan

Command:
switchport trunk allowed vlan {WORD | all | add WORD | except WORD | remove WORD}
no switchport trunk allowed vlan
Function:
Set trunk port to allow VLAN traffic; the "no switchport trunk allowed vlan" command restores the
default setting.
Parameter:
WORD: specified VIDs; keyword;
all: all VIDs, the range from 1 to 4094;
add: add assigned VIDs behind allow vlan;
except: all VID add to allow vlan except assigned VIDs;
remove: delete assigned allow vlan from allow vlan list.
Command mode:
Port Mode.
Default:
Trunk port allows all VLAN traffic by default.
Usage Guide:
The user can use this command to set the VLAN traffic allowed to passthrough the Trunk port; traffic
of VLANs not included are prohibited.
Example:
Set Trunk port to allow traffic of VLAN1, 3, 5-20.
Switch(config)#interface ethernet 1/0/5
Switch(Config-If-Ethernet1/0/5)#switchport mode trunk
Switch(Config-If-Ethernet1/0/5)#switchport trunk allowed vlan 1;3;5-20
Switch(Config-If-Ethernet1/0/5)#exit
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