7.20 Configuring Local MT..............................................................................................................................................629

7.20.1 Before You Start....................................................................................................................................................629

7.20.2 Enabling Local MT................................................................................................................................................630

7.20.3 Controlling the Scale of the MIGP Routing Table................................................................................................630

7.20.4 Checking the Configurations.................................................................................................................................633

7.21 Configuring IS-IS GR...............................................................................................................................................633

7.21.1 Before You Start....................................................................................................................................................633

7.21.2 Enabling IS-IS GR.................................................................................................................................................634

7.21.3 Configuring Parameters of an IS-IS GR Session...................................................................................................635

7.21.4 Checking the Configurations.................................................................................................................................636

7.22 Improving Security of an IS-IS Network.................................................................................................................637

7.22.1 Before You Start....................................................................................................................................................637

7.22.2 Configuring IS-IS Authentication.........................................................................................................................638

7.22.3 Configuring the Optional Checksum.....................................................................................................................641

7.22.4 Checking the Configurations.................................................................................................................................642

7.23 Maintaining IS-IS.....................................................................................................................................................643

7.23.1 Resetting IS-IS Data Structure..............................................................................................................................643

7.23.2 Resetting a Specific IS-IS Neighbor......................................................................................................................643

7.24 Configuration Examples...........................................................................................................................................644

7.24.1 Example for Configuring Basic IS-IS Functions...................................................................................................644

7.24.2 Example for Configuring IS-IS in an NBMA Network........................................................................................649

7.24.3 Example for Configuring IS-IS Route Summarization.........................................................................................652

7.24.4 Example for Configuring the DIS Election of IS-IS.............................................................................................656

7.24.5 Example for Configuring IS-IS Load Balancing...................................................................................................661

7.24.6 Example for Configuring IS-IS to Interact with BGP...........................................................................................665

7.24.7 Example for Configuring IS-IS MT......................................................................................................................669

7.24.8 Example for Configuring Local MT......................................................................................................................675

7.24.9 Example for Configuring Basic IS-IS IPv6 Functions..........................................................................................682

7.24.10 Example for Configuring IS-IS Fast Convergence..............................................................................................688

7.24.11 Example for Configuring IS-IS Auto FRR (IP protecting IP).............................................................................691

7.24.12 Example for Configuring IS-IS Auto FRR (TE protecting IP)...........................................................................698

7.24.13 Example for Configuring IS-IS GR.....................................................................................................................714

7.24.14 Example for Configuring Static BFD for IS-IS...................................................................................................717

7.24.15 Example for Configuring Dynamic BFD for IS-IS.............................................................................................721

7.24.16 Example for Configuring Dynamic BFD for IPv6 IS-IS.....................................................................................727

8 BGP Configuration....................................................................................................................734

8.1 Introduction................................................................................................................................................................737

8.1.1 BGP Overview.........................................................................................................................................................737

8.1.2 BGP Features Supported by the NE80E/40E..........................................................................................................738

8.2 Configuring the Format of BGP 4-Byte AS Numbers...............................................................................................754

8.3 Configuring Basic BGP Functions.............................................................................................................................756

Issue 02 (2014-09-30)

Huawei Proprietary and Confidential

xvii

Table of Contents