Concept Guide

Change the IS-IS Metric Style in One Level Only.................................................................................................512
Leaks from One Level to Another...........................................................................................................................513
Sample Congurations...................................................................................................................................................514
25 In-Service Software Upgrade................................................................................................................... 517
ISSU Introduction............................................................................................................................................................517
Warmboot Limitations.............................................................................................................................................. 517
Fastboot 2.0 (Zero Loss Upgrade)............................................................................................................................... 517
L2 ISSU............................................................................................................................................................................518
L3 ISSU............................................................................................................................................................................518
CoPP................................................................................................................................................................................519
Mirroring ow control packets......................................................................................................................................519
PFC.................................................................................................................................................................................. 519
QoS.................................................................................................................................................................................. 519
Tunnel Conguration...................................................................................................................................................... 519
26 Link Aggregation Control Protocol (LACP)............................................................................................... 521
Introduction to Dynamic LAGs and LACP................................................................................................................... 521
Important Points to Remember.............................................................................................................................. 521
LACP Modes............................................................................................................................................................ 522
Conguring LACP Commands............................................................................................................................... 522
LACP Conguration Tasks............................................................................................................................................ 523
Creating a LAG.........................................................................................................................................................523
Conguring the LAG Interfaces as Dynamic........................................................................................................ 523
Setting the LACP Long Timeout............................................................................................................................524
Monitoring and Debugging LACP.......................................................................................................................... 524
Shared LAG State Tracking.......................................................................................................................................... 525
Conguring Shared LAG State Tracking...............................................................................................................525
Important Points about Shared LAG State Tracking........................................................................................... 527
LACP Basic Conguration Example.............................................................................................................................527
Congure a LAG on ALPHA....................................................................................................................................527
27 Layer 2.....................................................................................................................................................536
Manage the MAC Address Table................................................................................................................................. 536
Clearing the MAC Address Table........................................................................................................................... 536
Setting the Aging Time for Dynamic Entries........................................................................................................536
Conguring a Static MAC Address........................................................................................................................537
Displaying the MAC Address Table........................................................................................................................ 537
MAC Learning Limit....................................................................................................................................................... 537
Setting the MAC Learning Limit............................................................................................................................ 538
mac learning-limit Dynamic.................................................................................................................................... 538
mac learning-limit mac-address-sticky................................................................................................................. 538
mac learning-limit station-move............................................................................................................................ 539
mac learning-limit no-station-move...................................................................................................................... 539
Learning Limit Violation Actions.............................................................................................................................539
Setting Station Move Violation Actions................................................................................................................ 540
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Contents