5.5.4 Checking the Configuration...................................................................................................................197

5.6 Configuring OSPFv3 NSSA Areas.................................................................................................................197

5.6.1 Establishing the Configuration Task.....................................................................................................197

5.6.2 Defining the Current Area to Be an NSSA Area...................................................................................198

5.6.3 Checking the Configuration...................................................................................................................199

5.7 Configuring OSPFv3 Route Attributes...........................................................................................................199

5.7.1 Establishing the Configuration Task.....................................................................................................199

5.7.2 Setting the Cost of the OSPFv3 Interface..............................................................................................200

5.7.3 Setting the Maximum Number of Equal-Cost Routes...........................................................................200

5.7.4 Checking the Configuration...................................................................................................................201

5.8 Controlling OSPFv3 Routing Information.....................................................................................................201

5.8.1 Establishing the Configuration Task.....................................................................................................202

5.8.2 Configuring OSPFv3 Route Aggregation..............................................................................................202

5.8.3 Configuring OSPFv3 to Filter the Received Routes.............................................................................203

5.8.4 Configuring OSPFv3 to Import External Routes..................................................................................204

5.8.5 Checking the Configuration...................................................................................................................205

5.9 Optimizing an OSPFv3 Network....................................................................................................................205

5.9.1 Establishing the Configuration Task.....................................................................................................205

5.9.2 Configuring the SPF Timer...................................................................................................................206

5.9.3 Suppressing an Interface from Sending and Receiving OSPFv3 Packets.............................................207

5.9.4 Configuring DR Priority of an Interface................................................................................................208

5.9.5 Configuring Stub Routers......................................................................................................................209

5.9.6 Ignoring MTU Check on DD Packets...................................................................................................209

5.9.7 Checking the Configuration...................................................................................................................210

5.10 Configuration OSPFv3 GR...........................................................................................................................210

5.10.1 Establishing the Configuration Task...................................................................................................210

5.10.2 Enabling OSPFv3 GR..........................................................................................................................211

5.10.3 Enabling the Helper of OSPFv3 GR....................................................................................................212

5.10.4 Check the Configuration......................................................................................................................212

5.11 Maintaining OSPFv3....................................................................................................................................212

5.11.1 Resetting OSPFv3................................................................................................................................212

5.12 Configuration Examples...............................................................................................................................213

5.12.1 Example for Configuring OSPFv3 Areas............................................................................................213

5.12.2 Example for Configuring DR Election Through OSPFv3...................................................................219

5.12.3 Example for Configuring the OSPFv3 Virtual Link...........................................................................224

5.12.4 Example for Configuring OSPFv3 GR................................................................................................228

6 IS-IS Configuration...................................................................................................................233

6.1 Basic Concepts of IS-IS..................................................................................................................................235

6.2 IS-IS Features Supported by the S6700..........................................................................................................236

Issue 01 (2012-03-15)

Huawei Proprietary and Confidential

Contents

Table of Contents