Huawei NetEngine80E Configuration Manual - Reliability page 178

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HUAWEI NetEngine80E/40E Router

Configuration Guide - Reliability

With BFD sampling, the NPE establishes link BFD sessions with each CE.

For the NPE:

Issue 02 (2011-09-10)

NPE1 and NPE2 establish the mVRRP backup group, the service VRRP backup group,

and the peer BFD session through their respective interfaces GE 1/0/1 that connect to the

VPLS convergence network.

NPE1 or NPE2 establishes four link BFD sessions with four CEs respectively through GE

1/0/1. The mVRRP backup group is responsible for tracking the status of the four BFD

sessions concurrently. When two or more link BFD sessions go Down, the mVRRP backup

group performs master/backup fast switchover.

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4 VRRP Configuration

Netengine40e