Reference Guide

Configuring IPv6 RA Guard.............................................................................................................. 448

23 Intermediate System to Intermediate System.......................................... 451

IS-IS Protocol Overview....................................................................................................................451

IS-IS Addressing.................................................................................................................................451

Multi-Topology IS-IS........................................................................................................................ 452

Transition Mode.......................................................................................................................... 452

Interface Support........................................................................................................................ 453

Adjacencies................................................................................................................................. 453

Graceful Restart................................................................................................................................ 453

Timers..........................................................................................................................................453

Implementation Information............................................................................................................454

Configuration Information............................................................................................................... 455

Configuration Tasks for IS-IS......................................................................................................455

Configuring the Distance of a Route......................................................................................... 464

Changing the IS-Type.................................................................................................................464

Redistributing IPv4 Routes..........................................................................................................467

Redistributing IPv6 Routes......................................................................................................... 468

Configuring Authentication Passwords..................................................................................... 469

Setting the Overload Bit............................................................................................................. 469

Debugging IS-IS..........................................................................................................................470

IS-IS Metric Styles..............................................................................................................................471

Configure Metric Values................................................................................................................... 472

Maximum Values in the Routing Table.......................................................................................472

Change the IS-IS Metric Style in One Level Only...................................................................... 472

Leaks from One Level to Another.............................................................................................. 474

Sample Configurations..................................................................................................................... 475

24 Link Aggregation Control Protocol (LACP)...............................................478

Introduction to Dynamic LAGs and LACP....................................................................................... 478

Important Points to Remember................................................................................................. 478

LACP Modes................................................................................................................................ 479

Configuring LACP Commands................................................................................................... 479

LACP Configuration Tasks................................................................................................................480

Creating a LAG............................................................................................................................480

Configuring the LAG Interfaces as Dynamic..............................................................................481

Setting the LACP Long Timeout................................................................................................. 481

Monitoring and Debugging LACP.............................................................................................. 482

Shared LAG State Tracking...............................................................................................................482

Configuring Shared LAG State Tracking.................................................................................... 483

Important Points about Shared LAG State Tracking..................................................................484

LACP Basic Configuration Example................................................................................................. 485