Shared LAG State Tracking............................................................................................................................................ 379Configuring Shared LAG State Tracking................................................................................................................... 379Important Points about Shared LAG State Tracking................................................................................................. 380LACP Basic Configuration Example.................................................................................................................................381Configure a LAG on ALPHA...................................................................................................................................... 381Setting Up a Threshold for Utilization of High-Gigabit Port Channels............................................................................ 388Guidelines for Monitoring High-Gigabit Port Channels............................................................................................. 389Enabling the Verification of Member Links Utilization in a High-Gigabit Port Channel.................................................... 390Viewing Buffer Utilization and Queue Statistics on High-Gigabit Ethernet Backplane Ports...........................................39024 Layer 2...................................................................................................................... 392Manage the MAC Address Table.................................................................................................................................... 392Clearing the MAC Address Table.............................................................................................................................. 392Setting the Aging Time for Dynamic Entries.............................................................................................................392Configuring a Static MAC Address........................................................................................................................... 392Displaying the MAC Address Table........................................................................................................................... 393MAC Learning Limit........................................................................................................................................................393Setting the MAC Learning Limit............................................................................................................................... 394mac learning-limit Dynamic...................................................................................................................................... 394mac learning-limit mac-address-sticky..................................................................................................................... 394mac learning-limit station-move............................................................................................................................... 394mac learning-limit no-station-move..........................................................................................................................395Learning Limit Violation Actions................................................................................................................................395Setting Station Move Violation Actions.................................................................................................................... 395Recovering from Learning Limit and Station Move Violations...................................................................................396NIC Teaming.................................................................................................................................................................. 396Configure Redundant Pairs.............................................................................................................................................397Important Points about Configuring Redundant Pairs...............................................................................................399Far-End Failure Detection.............................................................................................................................................. 400FEFD State Changes................................................................................................................................................ 401Configuring FEFD..................................................................................................................................................... 401Enabling FEFD on an Interface................................................................................................................................. 402Debugging FEFD...................................................................................................................................................... 40325 Link Layer Discovery Protocol (LLDP).......................................................................405802.1AB (LLDP) Overview............................................................................................................................................. 405Protocol Data Units..................................................................................................................................................405Optional TLVs.................................................................................................................................................................406Management TLVs...................................................................................................................................................406TIA-1057 (LLDP-MED) Overview................................................................................................................................... 408TIA Organizationally Specific TLVs........................................................................................................................... 408Configure LLDP.............................................................................................................................................................. 412Related Configuration Tasks......................................................................................................................................412Important Points to Remember.................................................................................................................................412LLDP Compatibility................................................................................................................................................... 412CONFIGURATION versus INTERFACE Configurations....................................................................................................41215