DGS-6604 m vlan-tunnel tpid
CLI Reference Guide
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vlan-tunnel tpid
Use this command to specify the outer tag TPID at a Network-to-Network
Interface (NNI) for the VLAN tunnel application.
vlan-tunnel tpid TPID
Default 0x88A8
Command Mode Interface configuration (physical port and port channel interface only).
Usage Guideline This setting is only available for an NNI port in VLAN tunnel mode. The following
shows the TPID usage for the NNI setting:
1. Packet transmitted at an NNI port.
a. As a packet is transmitted from an NNI port for VLAN encapsulation, a
TPID specified by the vlan-tunnel tpid command is used for the S tag
(outer tag) TPID.
b. As a packet is transmitted at an NNI port for VLAN remarking (replace-
ment), a TPID specified by the vlan-tunnel tpid command is used for
the VLAN tag TPID.
2. Packet received at an NNI port:
a. As a packet is received at an NNI port, the TPID specified by the vlan-
tunnel tpid command is used to identify whether or not the packet has
an S tag (outer tag).
Example This example shows how to set outer TPID at eth3.12 to 0x9100.
Verify the settings by entering the show vlan-tunnel command.
Syntax Description
TPID Specifies the TPID for the VLAN tag. The value is in hexadecimal form. Range is
0x0 to 0xFFFF.
Switch(config)#interface eth3.12
Switch(config-if)#vlan-tunnel tpid 0x9100
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