Huawei NetEngine80E Configuration Manual - Reliability page 297

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HUAWEI NetEngine80E/40E Router

Configuration Guide - Reliability

Figure 4-24 Example for associating a VRRP backup group with an EFM session

Configuration Roadmap

The configuration roadmap is as follows:

Data Preparation

To complete the configuration, you need the following data:

Issue 02 (2014-09-30)

EFM for VRRP

EFM for VRRP

Assign an IP address to each interface to ensure IP connectivity.

Create a VRRP backup group on GE interfaces of Router A and Router B and ensure that

Router A is the Master and Router B is the Backup.

Configure a peer BFD session on Router A and Router B to monitor the link between

Router A and Router B.

Enable EFM globally and on each interface on Router A and Router B.

Associate the VRRP backup group with an EFM session so that a master/backup VRRP

switchover can be rapidly performed if the EFM session goes Down due to a failure in the

active link.

Associate the VRRP backup group with the peer BFD session on Router B so that a master/

backup VRRP switchover can be triggered by a VRRP priority increase by 40 on Router

B if the BFD session goes Down.

l This example only provides configurations on Router A and Router B.

l In the scenario described in this example, usually on the master device in a VRRP backup group, the

VRRP backup group is configured to track an EFM session so that the VRRP status becomes

Initialize if the EFM session enters the Discovery state. On the backup device, the VRRP backup group

is configured to track a peer BFD session so that the backup device increases its VRRP priority and

becomes a new Master if the BFD session enters the Down state.

IP address of each interface on Router A and Router B (For details, see configuration files.)

VRID (10), virtual IP address (10.1.1.111), VRRP priorities (160 for Router A and 140 for

Router B), and value (40) by which Router B increases its VRRP priority and preempts the

Master if a link fails

Huawei Proprietary and Confidential

BFD for VRRP

4 VRRP Configuration

IP/MPLS Core

Netengine40e