PLANET WGSW-50040 - Manual (Page 132)

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 1/5
Switch(Config-If-Ethernet1/5)#switchport mode trunk
Switch(Config-If-Ethernet1/5)#switchport trunk allowed vlan 1;3;5-20
Switch(Config-If-Ethernet1/5)#exit
7.1.20 switchport trunk native vlan
Command:
switchport trunk native vlan <vlan-id>
no switchport trunk native vlan
Function:
Set the PVID for Trunk port; the “no switchport trunk native vlan” command restores the default
setting.
Parameter:
<vlan-id> is the PVID for Trunk port.
Command mode:
Port Mode.
Default:
The default PVID of Trunk port is 1.
Usage Guide:
PVID concept is defined in 802.1Q. PVID in Trunk port is used to tag untagged frames. When a