Concept Guide

Redistributing IPv4 Routes.....................................................................................................................................442
Redistributing IPv6 Routes.....................................................................................................................................443
Conguring Authentication Passwords.................................................................................................................444
Setting the Overload Bit......................................................................................................................................... 444
Debugging IS-IS....................................................................................................................................................... 445
IS-IS Metric Styles.........................................................................................................................................................446
Congure Metric Values............................................................................................................................................... 446
Maximum Values in the Routing Table.................................................................................................................. 446
Change the IS-IS Metric Style in One Level Only................................................................................................446
Leaks from One Level to Another..........................................................................................................................448
Sample Congurations.................................................................................................................................................. 449
25 Link Aggregation Control Protocol (LACP)............................................................................................... 451
Introduction to Dynamic LAGs and LACP................................................................................................................... 451
Important Points to Remember.............................................................................................................................. 451
LACP Modes............................................................................................................................................................ 452
Conguring LACP Commands............................................................................................................................... 452
LACP Conguration Tasks............................................................................................................................................453
Creating a LAG.........................................................................................................................................................453
Conguring the LAG Interfaces as Dynamic........................................................................................................453
Setting the LACP Long Timeout............................................................................................................................454
Monitoring and Debugging LACP..........................................................................................................................454
Shared LAG State Tracking.......................................................................................................................................... 455
Conguring Shared LAG State Tracking...............................................................................................................455
Important Points about Shared LAG State Tracking........................................................................................... 457
LACP Basic Conguration Example.............................................................................................................................457
Congure a LAG on ALPHA................................................................................................................................... 457
26 Layer 2.....................................................................................................................................................466
Manage the MAC Address Table................................................................................................................................. 466
Clearing the MAC Address Table........................................................................................................................... 466
Setting the Aging Time for Dynamic Entries........................................................................................................466
Conguring a Static MAC Address........................................................................................................................ 467
Displaying the MAC Address Table........................................................................................................................ 467
MAC Learning Limit....................................................................................................................................................... 467
Setting the MAC Learning Limit............................................................................................................................ 468
mac learning-limit Dynamic.....................................................................................................................................468
mac learning-limit mac-address-sticky................................................................................................................. 468
mac learning-limit station-move............................................................................................................................ 469
mac learning-limit no-station-move...................................................................................................................... 469
Learning Limit Violation Actions.............................................................................................................................469
Setting Station Move Violation Actions................................................................................................................ 470
Recovering from Learning Limit and Station Move Violations........................................................................... 470
Disabling MAC Address Learning on the System..................................................................................................471
Enabling port security.............................................................................................................................................. 471
NIC Teaming.................................................................................................................................................................... 471
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Contents