Reference Guide

Table Of Contents
Remote port monitoring...........................................................................................................................................241
Encapsulated remote port monitoring...................................................................................................................243
Flow-based monitoring............................................................................................................................................244
Remote port monitoring on VLT............................................................................................................................ 245
Port monitoring commands.................................................................................................................................... 246
5 Layer 3.......................................................................................................................................................252
Border gateway protocol...............................................................................................................................................252
Sessions and peers..................................................................................................................................................253
Route reectors....................................................................................................................................................... 254
Multiprotocol BGP...................................................................................................................................................255
Attributes..................................................................................................................................................................255
Selection criteria...................................................................................................................................................... 255
Weight and local preference...................................................................................................................................256
Multiexit discriminators........................................................................................................................................... 257
Origin......................................................................................................................................................................... 257
AS path and next-hop.............................................................................................................................................258
Best path selection..................................................................................................................................................258
More path support...................................................................................................................................................259
Advertise cost..........................................................................................................................................................259
4-Byte AS numbers................................................................................................................................................. 260
AS number migration...............................................................................................................................................260
Congure border gateway protocol........................................................................................................................261
Enable BGP............................................................................................................................................................... 261
Congure Dual Stack...............................................................................................................................................263
Peer templates......................................................................................................................................................... 263
Neighbor fall-over....................................................................................................................................................265
Fast external fallover............................................................................................................................................... 266
Passive peering........................................................................................................................................................ 268
Local AS.................................................................................................................................................................... 268
AS number limit........................................................................................................................................................269
Redistribute routes...................................................................................................................................................270
Additional paths........................................................................................................................................................270
MED attributes..........................................................................................................................................................271
Local preference attribute....................................................................................................................................... 271
Weight attribute....................................................................................................................................................... 272
Enable multipath.......................................................................................................................................................273
Route-map lters..................................................................................................................................................... 273
Route reector clusters...........................................................................................................................................273
Aggregate routes......................................................................................................................................................274
Confederations.........................................................................................................................................................275
Route dampening..................................................................................................................................................... 276
Timers........................................................................................................................................................................277
Neighbor soft-reconguration................................................................................................................................277
BGP commands....................................................................................................................................................... 278
Equal cost multi-path.................................................................................................................................................... 303
Contents
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