7.1 VRRP Overview.............................................................................................................................................315

7.2 VRRP Features Supported by the S3700........................................................................................................315

7.3 Configuring the VRRP Backup Group...........................................................................................................317

7.3.1 Establishing the Configuration Task.....................................................................................................317

7.3.2 Creating a Backup Group and Configuring a Virtual IP Address.........................................................318

7.3.3 Configuring Priorities for Interfaces Where a Backup Group Is Created.............................................321

7.3.4 (Optional) Configuring the Sending Mode of VRRP Packets in Super-VLAN....................................322

7.3.5 Checking the Configuration...................................................................................................................322

7.4 Configuring VRRP to Track the Status of an Interface..................................................................................324

7.4.1 Establishing the Configuration Task.....................................................................................................324

7.4.2 Configuring VRRP to Track the Status of an Interface.........................................................................325

7.4.3 Checking the Configuration...................................................................................................................326

7.5 Configuring VRRP to Tracking the BFD Session Status...............................................................................327

7.5.1 Establishing the Configuration Task.....................................................................................................328

7.5.2 Tracking the Status of a BFD Session...................................................................................................328

7.5.3 Checking the Configuration...................................................................................................................330

7.6 Configuring VRRP Security...........................................................................................................................331

7.6.1 Establishing the Configuration Task.....................................................................................................331

7.6.2 Configuring the Authentication Mode of VRRP Packets......................................................................332

7.6.3 Checking the Configuration...................................................................................................................333

7.7 Adjusting and Optimizing VRRP...................................................................................................................333

7.7.1 Establishing the Configuration Task.....................................................................................................333

7.7.2 Configuring the Interval for Sending VRRP Advertising Messages.....................................................334

7.7.3 Configuring the Preemption Delay Time of Backup Group Switch s...................................................336

7.7.4 Enabling the Reachability Test of the Virtual IP Address.....................................................................338

7.7.5 Disabling a Switch from Checking Number of Hops in VRRP Packets...............................................338

7.7.6 Configuring the Timeout Time of Sending Gratuitous ARP Packets by the Master router..................339

7.7.7 Checking the Configuration...................................................................................................................340

7.8 Configuring mVRRP Backup Groups............................................................................................................341

7.8.1 Establishing the Configuration Task.....................................................................................................341

7.8.2 Configuring mVRRP Backup Group.....................................................................................................342

7.8.3 (Optional) Configuring Member VRRP Backup Groups and Binding them to the mVRRP Backup Group

........................................................................................................................................................................343

7.8.4 Checking the Configuration...................................................................................................................345

7.9 Configuring VRRP Version Upgrade.............................................................................................................346

7.9.1 Establishing the Configuration Task.....................................................................................................346

7.9.2 Configuring VRRPv3............................................................................................................................346

7.9.3 Checking the Configuration...................................................................................................................347

7.10 Maintaining VRRP.......................................................................................................................................347

7.10.1 Debugging VRRP................................................................................................................................347

Issue 01 (2011-10-26)

Huawei Proprietary and Confidential

Contents

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