Associating Ethernet Cfm With Vpls (By Using Sub-Interfaces For Qinq Vlan Tag Termination); Establishing The Configuration Task - Huawei NetEngine80E Configuration Manual - Reliability

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HUAWEI NetEngine80E/40E Router

Configuration Guide - Reliability

8.14 Associating Ethernet CFM with VPLS (by Using Sub-

interfaces for QinQ VLAN Tag Termination)

In the scenario where PEs that send packets with double VLAN tags access a Virtual Private

LAN Service (VPLS) network, you can configure sub-interfaces for QinQ VLAN tag

termination on AC interfaces of the PEs to bind VSIs and then configure Ethernet CFM on the

Before associating Ethernet CFM with VPLS, you must check whether packets received on PEs

carry one VLAN tag or double VLAN tags. If PEs receive packets with one VLAN tag, PEs can

access a VPLS network through common sub-interfaces. If PEs receive packets with double

VLAN tags, you must bind sub-interfaces for QinQ VLAN tag termination to VSIs. The

following describes the configuration in the scenario where PEs receive packets with double

Applicable Environment

MEPs within the same MA can detect the connectivity between themselves by exchanging

CCMs. Once a connectivity fault is detected, you can perform the MAC ping or MAC trace

operation to further locate the fault.

Figure 8-14 Networking diagram of associating Ethernet CFM with VPLS

Issue 02 (2011-09-10)

8-14, MAs are configured between:

Switches and local PEs

Switches and remote PEs

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8 Ethernet OAM Configuration

Netengine40e