5.10 References................................................................................................................................................................149

6 VRRP Configuration.................................................................................................................150

6.1 Introduction to VRRP.................................................................................................................................................152

6.2 Principles....................................................................................................................................................................152

6.2.1 Basic Concepts of VRRP.........................................................................................................................................152

6.2.2 VRRPv2 and VRRPv3 Advertisement Packets.......................................................................................................154

6.2.3 VRRP Implementation............................................................................................................................................157

6.2.4 VRRP in Active/Standby Mode..............................................................................................................................160

6.2.5 VRRP in Load Balancing Mode..............................................................................................................................161

6.3 Applicable Scenarios..................................................................................................................................................162

6.3.1 Association Between a VRRP Group and the Interface Status to Monitor the Uplink Interface............................162

6.3.2 Association Between VRRP and BFD/NQA/Routing to Monitor the Uplink........................................................163

6.3.3 Association Between VRRP and BFD to Implement a Rapid Active/Standby Switchover...................................164

6.3.4 Configuring Layer 2 and Layer 3 Traffic Load Balancing Through VRRP and MSTP Deployment.....................166

6.4 Configuration Task Summary....................................................................................................................................167

6.5 Configuration Notes...................................................................................................................................................169

6.6 Default Configuration.................................................................................................................................................170

6.7 Configuring VRRP.....................................................................................................................................................170

6.7.1 Configuring Basic Functions of an IPv4 VRRP Group...........................................................................................170

6.7.1.1 Creating a VRRP Group.......................................................................................................................................170

6.7.1.2 Setting the Device Priority in a VRRP Group......................................................................................................171

6.7.1.3 (Optional) Configuring the VRRP Version Number............................................................................................172

6.7.1.4 (Optional) Configuring VRRP Time Parameters.................................................................................................172

6.7.1.5 (Optional) Setting the Mode in Which VRRP Advertisement Packets Are Sent in a Super-VLAN...................175

6.7.1.6 (Optional) Disabling VRRP TTL Check..............................................................................................................176

6.7.1.7 (Optional) Setting the Authentication Mode of VRRP Advertisement Packets...................................................176

6.7.1.8 (Optional) Enabling the Ping to a Virtual IP Address..........................................................................................177

6.7.1.9 Checking the Configuration..................................................................................................................................178

6.7.2 Configuring VRRP Association..............................................................................................................................179

6.7.2.1 Configuring Association Between VRRP and BFD to Implement a Rapid Active/Standby Switchover............179

6.7.2.2 Configuring Association Between VRRP and the Interface Status to Implement an Active/Standby Switchover

..........................................................................................................................................................................................181

6.7.2.3 Configuring Association Between VRRP and BFD to Monitor the Uplink Status..............................................181

6.7.2.4 Configuring Association Between VRRP and NQA to Monitor the Uplink Status.............................................183

6.7.2.5 Configuring Association Between VRRP and Routing to Monitor the Uplink Status.........................................184

6.7.2.6 Checking the Configuration..................................................................................................................................185

6.7.3 Configuring Basic Functions of an IPv6 VRRP Group...........................................................................................185

6.7.3.1 Creating a VRRP6 Group.....................................................................................................................................185

6.7.3.2 Setting the Device Priority in a VRRP6 Group....................................................................................................187

6.7.3.3 (Optional) Configuring VRRP6 Time Parameters...............................................................................................187

6.7.3.4 (Optional) Disabling VRRP6 TTL Check............................................................................................................190

Issue 01 (2014-11-30)

Huawei Proprietary and Confidential

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Table of Contents