Qtech QSW-2910-09T-POE-AC/DC [57/212] Configure qinq mode of interface

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3.8.5 Configure QinQ mode of interface

There are two kinds of interface modes: one is service provider port, the other is customer port.

The former do not permit ignoring tag head of ingress packet and the latter permits.

It is in the interface configuration mode.

dtag mode { customer | service-provider }

Example:

Configure interface to be customer

QTECH(config-if-ethernet-0/1)#dtag mode customer

3.9 l2-tunnel

3.9.1 Brief introduction of l2-tunnel

In VPN network, some protocol packets received by service-provider network edge need to be

encapsulated in a certain form. The internal devices of SP network can recognize and

transparent transmit this encapsulated packets, and restore it in the other side of SP network.

3.9.2 L2-tunnel configuration list

 Enable/disable l2-tunnel

 Show port l2-tunnel status

 Configure/cancel l2-tunnel drop threshold

 Show l2-tunnel drop threshold

3.9.3 Enable/disable l2-tunnel

Configure protocols which need to enable l2-tunnel. Configure it in interface configuration

mode:

 Enable port l2-tunnel

 Disable port l2-tunnel

Parameter:

cdp: cisco's cdp packets

pagp: cisco's pagp packet

lacp: lacp packet

stp: stp packet

udld: cisco's udld packet