Administrator Guide

Table Of Contents
Debugging IS-IS.........................................................................................................................................................349
IS-IS Metric Styles..........................................................................................................................................................350
Configure Metric Values............................................................................................................................................... 350
Maximum Values in the Routing Table.................................................................................................................350
Change the IS-IS Metric Style in One Level Only............................................................................................. 350
Leaks from One Level to Another......................................................................................................................... 352
Sample Configurations...................................................................................................................................................352
Chapter 23: Link Aggregation Control Protocol (LACP)............................................................. 355
Introduction to Dynamic LAGs and LACP.................................................................................................................355
Important Points to Remember.............................................................................................................................355
LACP Modes.............................................................................................................................................................. 356
Configuring LACP Commands............................................................................................................................... 356
LACP Configuration Tasks............................................................................................................................................356
Creating a LAG...........................................................................................................................................................357
Configuring the LAG Interfaces as Dynamic...................................................................................................... 357
Setting the LACP Long Timeout........................................................................................................................... 358
Monitoring and Debugging LACP..........................................................................................................................358
Shared LAG State Tracking..........................................................................................................................................358
Configuring Shared LAG State Tracking............................................................................................................. 359
Important Points about Shared LAG State Tracking........................................................................................360
LACP Basic Configuration Example............................................................................................................................ 361
Configure a LAG on ALPHA.................................................................................................................................... 361
Setting Up a Threshold for Utilization of High-Gigabit Port Channels..............................................................368
Enabling the Verification of Member Links Utilization in a High-Gigabit Port Channel................................. 370
Viewing Buffer Utilization and Queue Statistics on High-Gigabit Ethernet Backplane Ports......................370
Chapter 24: Layer 2................................................................................................................... 372
Manage the MAC Address Table.................................................................................................................................372
Clearing the MAC Address Table...........................................................................................................................372
Setting the Aging Time for Dynamic Entries...................................................................................................... 372
Configuring a Static MAC Address....................................................................................................................... 373
Displaying the MAC Address Table....................................................................................................................... 373
MAC Learning Limit........................................................................................................................................................ 373
Setting the MAC Learning Limit............................................................................................................................ 374
mac learning-limit Dynamic..................................................................................................................................... 374
mac learning-limit mac-address-sticky................................................................................................................ 374
mac learning-limit station-move............................................................................................................................ 374
mac learning-limit no-station-move......................................................................................................................375
Learning Limit Violation Actions............................................................................................................................ 375
Setting Station Move Violation Actions...............................................................................................................375
Recovering from Learning Limit and Station Move Violations....................................................................... 376
NIC Teaming.....................................................................................................................................................................376
Configure Redundant Pairs...........................................................................................................................................377
Far-End Failure Detection.............................................................................................................................................380
FEFD State Changes................................................................................................................................................380
Configuring FEFD.......................................................................................................................................................381
Enabling FEFD on an Interface.............................................................................................................................. 382
Debugging FEFD........................................................................................................................................................383
Contents
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