Reference Guide

VLAN commands.....................................................................................................................................................243
Port monitoring.............................................................................................................................................................. 244
Local port monitoring.............................................................................................................................................. 244
Remote port monitoring..........................................................................................................................................245
Encapsulated remote port monitoring...................................................................................................................247
Flow-based monitoring............................................................................................................................................248
Remote port monitoring on VLT............................................................................................................................ 249
Port monitoring commands....................................................................................................................................250
5 Layer 3...................................................................................................................................................... 256
Border gateway protocol.............................................................................................................................................. 256
Sessions and peers.................................................................................................................................................. 257
Route reectors....................................................................................................................................................... 258
Multiprotocol BGP................................................................................................................................................... 258
Attributes..................................................................................................................................................................259
Selection criteria...................................................................................................................................................... 259
Weight and local preference...................................................................................................................................260
Multiexit discriminators............................................................................................................................................261
Origin..........................................................................................................................................................................261
AS path and next-hop............................................................................................................................................. 262
Best path selection..................................................................................................................................................262
More path support...................................................................................................................................................263
Advertise cost.......................................................................................................................................................... 263
4-Byte AS numbers................................................................................................................................................. 264
AS number migration...............................................................................................................................................264
Congure border gateway protocol.......................................................................................................................265
Enable BGP.............................................................................................................................................................. 265
Congure Dual Stack...............................................................................................................................................267
Peer templates......................................................................................................................................................... 267
Neighbor fall-over....................................................................................................................................................269
Fast external fallover............................................................................................................................................... 270
Passive peering.........................................................................................................................................................272
Local AS.....................................................................................................................................................................272
AS number limit........................................................................................................................................................ 273
Redistribute routes...................................................................................................................................................274
Additional paths........................................................................................................................................................274
MED attributes.........................................................................................................................................................275
Local preference attribute.......................................................................................................................................275
Weight attribute....................................................................................................................................................... 276
Enable multipath.......................................................................................................................................................277
Route-map lters..................................................................................................................................................... 277
Route reector clusters...........................................................................................................................................277
Aggregate routes......................................................................................................................................................278
Confederations.........................................................................................................................................................279
Route dampening.....................................................................................................................................................280
Timers........................................................................................................................................................................ 281
Contents
9