Administrator Guide

LACP Configuration Tasks................................................................................................................ 427
Creating a LAG............................................................................................................................ 427
Configuring the LAG Interfaces as Dynamic............................................................................. 428
Setting the LACP Long Timeout.................................................................................................428
Monitoring and Debugging LACP.............................................................................................. 429
Shared LAG State Tracking...............................................................................................................429
Configuring Shared LAG State Tracking.................................................................................... 430
Important Points about Shared LAG State Tracking.................................................................. 431
LACP Basic Configuration Example................................................................................................. 432
Configure a LAG on ALPHA........................................................................................................ 432
Setting Up a Threshold for Utilization of High-Gigabit Port Channels.......................................... 439
Guidelines for Monitoring High-Gigabit Port Channels............................................................441
Enabling the Verification of Member Links Utilization in a High-Gigabit Port Channel................442
Viewing Buffer Utilization and Queue Statistics on High-Gigabit Ethernet Backplane Ports....... 442
24 Layer 2............................................................................................................. 444
Manage the MAC Address Table......................................................................................................444
Clearing the MAC Address Table............................................................................................... 444
Setting the Aging Time for Dynamic Entries..............................................................................444
Configuring a Static MAC Address............................................................................................. 445
Displaying the MAC Address Table............................................................................................ 445
MAC Learning Limit.......................................................................................................................... 445
Setting the MAC Learning Limit................................................................................................. 446
mac learning-limit Dynamic.......................................................................................................446
mac learning-limit mac-address-sticky.....................................................................................447
mac learning-limit station-move............................................................................................... 447
mac learning-limit no-station-move.........................................................................................447
Learning Limit Violation Actions................................................................................................ 448
Setting Station Move Violation Actions......................................................................................448
Recovering from Learning Limit and Station Move Violations................................................. 449
NIC Teaming.....................................................................................................................................449
Configure Redundant Pairs...............................................................................................................451
Important Points about Configuring Redundant Pairs..............................................................453
Far-End Failure Detection................................................................................................................ 454
FEFD State Changes....................................................................................................................455
Configuring FEFD........................................................................................................................456
Enabling FEFD on an Interface................................................................................................... 457
Debugging FEFD......................................................................................................................... 458
25 Link Layer Discovery Protocol (LLDP)........................................................460
802.1AB (LLDP) Overview.................................................................................................................460
Protocol Data Units.................................................................................................................... 460