Concept Guide

Table Of Contents
Configuration Tasks for IS-IS.................................................................................................................................404
Configuring the Distance of a Route..................................................................................................................... 411
Changing the IS-Type................................................................................................................................................411
Redistributing IPv4 Routes......................................................................................................................................413
Redistributing IPv6 Routes......................................................................................................................................414
Configuring Authentication Passwords................................................................................................................ 415
Setting the Overload Bit.......................................................................................................................................... 415
Debugging IS-IS..........................................................................................................................................................416
IS-IS Metric Styles.......................................................................................................................................................... 416
Configure Metric Values.................................................................................................................................................417
Maximum Values in the Routing Table..................................................................................................................417
Change the IS-IS Metric Style in One Level Only.............................................................................................. 417
Leaks from One Level to Another..........................................................................................................................418
Sample Configurations................................................................................................................................................... 419
Chapter 25: Link Aggregation Control Protocol (LACP)............................................................. 422
Introduction to Dynamic LAGs and LACP................................................................................................................. 422
Important Points to Remember............................................................................................................................. 422
LACP Modes...............................................................................................................................................................423
Configuring LACP Commands................................................................................................................................423
LACP Configuration Tasks............................................................................................................................................423
Creating a LAG.......................................................................................................................................................... 424
Configuring the LAG Interfaces as Dynamic...................................................................................................... 424
Setting the LACP Long Timeout........................................................................................................................... 424
Monitoring and Debugging LACP.......................................................................................................................... 425
Shared LAG State Tracking..........................................................................................................................................425
Configuring Shared LAG State Tracking............................................................................................................. 426
Important Points about Shared LAG State Tracking........................................................................................427
LACP Basic Configuration Example............................................................................................................................428
Configure a LAG on ALPHA....................................................................................................................................428
Chapter 26: Layer 2................................................................................................................... 436
Manage the MAC Address Table................................................................................................................................ 436
Clearing the MAC Address Table.......................................................................................................................... 436
Setting the Aging Time for Dynamic Entries...................................................................................................... 436
Configuring a Static MAC Address....................................................................................................................... 437
Displaying the MAC Address Table....................................................................................................................... 437
MAC Learning Limit........................................................................................................................................................ 437
Setting the MAC Learning Limit............................................................................................................................ 438
mac learning-limit Dynamic..................................................................................................................................... 438
mac learning-limit mac-address-sticky................................................................................................................ 438
mac learning-limit station-move............................................................................................................................ 438
mac learning-limit no-station-move......................................................................................................................439
Learning Limit Violation Actions............................................................................................................................ 439
Setting Station Move Violation Actions...............................................................................................................439
Recovering from Learning Limit and Station Move Violations.......................................................................440
Disabling MAC Address Learning on the System.............................................................................................. 440
Enabling port security.............................................................................................................................................. 440
NIC Teaming..................................................................................................................................................................... 441
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Contents