PLANET XGS3-24040 - Manual (Page 153)

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Chapter 11 VLAN Configuration
11.1 Commands for VLAN Configuration
11.1.1 debug gvrp
Command:
debug gvrp
no debug gvrp
Function:
Enable the GVRP debugging function: the “no debug gvrp” command disables the function.
Command mode:
Admin Mode.
Default:
GVRP debug information is disabled by default.
Usage Guide:
Use this command to enable GVRP debugging, GVRP packet processing information can be
displayed.
Example:
Enable GVRP debugging.
Switch#debug gvrp
11.1.2 dot1q-tunnel enable
Command:
dot1q-tunnel enable
no dot1q-tunnel enable
Function:
Set the access port of the switch to dot1q-tunnel mode; the “no dot1q-tunnel enable” command
restores to default.
Parameter:
None.
Command Mode:
Port Mode.
Default:
Dot1q-tunnel function disabled on the port by default.
Usage Guide:
After enabling dot1q-tunnel on the port, data packets without VLAN tag (referred to as tag) will be
packed with a tag when entering through the port; those with tag will be packed with an external tag.
The TPID in the tag is 8100 and the VLAN ID is the VLAN ID the port belongs to. Data packets with
double tags will be forwarded according to MAC address and external tag, till the external tag is
removed when transmitted outside from the access port. Since the length of the data packet may be
over sized when packed with external tag, it is recommended to use this command associating the
Jumbo function. Normally this command is used on access ports, and also on trunk ports however
only when associating the VLAN translation function. This command and dot1q-tunnel tpid are