5.6 Configuring the BFD to Modify the PST...................................................................................................................336

5.6.1 Before You Start......................................................................................................................................................336

5.6.2 Permitting the BFD to Modify the PST...................................................................................................................337

5.6.3 Checking the Configurations...................................................................................................................................338

5.7 Configuring the Multi-Hop BFD................................................................................................................................339

5.7.1 Before You Start......................................................................................................................................................339

5.7.2 Enabling BFD Globally...........................................................................................................................................340

5.7.3 Setting Up a BFD Session.......................................................................................................................................340

5.7.4 Checking the Configurations...................................................................................................................................342

5.8 Configuring a BFD Session with Automatically Negotiated Discriminators.............................................................343

5.8.1 Before You Start......................................................................................................................................................343

5.8.2 Enabling BFD Globally...........................................................................................................................................344

5.8.3 Configuring a BFD Session.....................................................................................................................................344

5.8.4 Checking the Configurations...................................................................................................................................345

5.9 Configuring the Delay of a BFD Session to Go Up...................................................................................................346

5.9.1 Before You Start......................................................................................................................................................346

5.9.2 Configuring the Delay for BFD Session Status Change to Up................................................................................347

5.9.3 Checking the Configurations...................................................................................................................................347

5.10 Configuring a BFD Session with the One-Arm Echo Function...............................................................................348

5.10.1 Before You Start....................................................................................................................................................348

5.10.2 Enable BFD Globally............................................................................................................................................349

5.10.3 Establishing a BFD Session...................................................................................................................................349

5.10.4 Checking the Configurations.................................................................................................................................350

5.11 Adjusting BFD Parameters.......................................................................................................................................351

5.11.1 Before You Start....................................................................................................................................................352

5.11.2 Modifying the Detection Time..............................................................................................................................352

5.11.3 Configuring the BFD WTR...................................................................................................................................353

5.11.4 Adding the Description of a BFD Session.............................................................................................................354

5.11.5 Setting the Priority of a BFD Session....................................................................................................................355

5.11.6 Checking the Configurations.................................................................................................................................356

5.12 Globally Configuring the Destination Port Number for the Multi-Hop BFD Control Packet.................................357

5.12.1 Before You Start....................................................................................................................................................358

5.12.2 Globally Configuring the Destination Port Number..............................................................................................358

5.12.3 Checking the Configurations.................................................................................................................................359

5.13 Configuring the TTL Function Globally..................................................................................................................360

5.13.1 Before You Start....................................................................................................................................................360

5.13.2 Configuring the TTL Globally..............................................................................................................................361

5.13.3 Checking the Configurations.................................................................................................................................361

5.14 Configuring the Interval for Trap Messages Are Sent..............................................................................................362

5.14.1 Before You Start....................................................................................................................................................362

5.14.2 Configuring the Interval at Which Trap Messages Are Sent.................................................................................363

Issue 02 (2014-09-30)

Huawei Proprietary and Confidential

Table of Contents