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XG2000 series User's Guide
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All Rights Reserved, Copyright (C) PFU LIMITED 2009
5.12.7 user-vlan-protocol-id
Function
The VLAN tag protocol ID (VPID or TPID) used for VLAN tag identification can be changed to the user-defined value of each
port.
The standard VLAN tag protocol ID was defined as 0x8100 in IEEE 802.1Q. However, the standard IEEE 802.1Q tag for
multiple-tag VLAN encapsulated with the user-defined VPID (or TPID) tag (*) can be used.
*: Similar functions are called Stacked VLAN, Nested VLAN, VLAN tunneling and 802.1Q in 802.1Q (Q-in-Q).
z For the frame format, see the TPID (Tag Protocol Identifier) in "Tag VLAN Frame Format
".
z For the multiple-tag VLAN setup example and the frame flow, see "Multiple VLAN
".
Prompt
xg(config-if)# or xg(config-agg)#
Command syntax
user-vlan-protocol-id <0x05DD ~ 0xFFFF>
no user-vlan-protocol-id
Parameter
z user-vlan-protocol-id <0x05DD ~ 0xFFFF>
Specify the VPID (or TPID) using a hexadecimal integer beginning with 0x. It can be an integer
in the range of 0x05DD to 0xFFFF.
Command type
Configuration command
Default
0x8100
Example
Enter the interface edit mode for ports 1 to 3 and set the VPID (or TPID) to 0x2000.
xg(config)# interface port range 1 3
xg(config-if)# user-vlan-protocol-id 0x2000
5.12.8 ingress-filter no-vlan-member-frame
Function
Enables VLAN ingress filtering. If the VLAN ingress filter is enabled, frames from non-member ports of a VLAN are discarded.
Use the no form to disable the ingress filtering.
Prompt
xg(config-if)# or xg(config-agg)#
Command syntax
ingress-filter no-vlan-member-frame
no ingress-filter no-vlan-member-frame
Parameter
z no-vlan-member-frame
Discards frames from non-member ports of a VLAN.
Command type
Configuration command
Default
None
Example
Enter the Edit Interface mode for switch ports 1 to 3 and enable VLAN ingress filtering.
xg(config)# interface port range 1 3
xg(config-if)# ingress-filter no-vlan-member-frame