Reference Guide

VLAN commands.....................................................................................................................................................239
Port monitoring.............................................................................................................................................................. 240
Local port monitoring.............................................................................................................................................. 240
Congure local monitoring session.........................................................................................................................241
Remote port mirroring..............................................................................................................................................241
Encapsulated remote port monitoring...................................................................................................................243
Flow-based monitoring............................................................................................................................................244
Remote port monitoring on VLT............................................................................................................................ 245
Port monitoring commands....................................................................................................................................245
5 Layer 3....................................................................................................................................................... 251
Border gateway protocol............................................................................................................................................... 251
Sessions and peers..................................................................................................................................................252
Route reectors....................................................................................................................................................... 253
Multiprotocol BGP................................................................................................................................................... 254
Attributes..................................................................................................................................................................254
Selection criteria...................................................................................................................................................... 254
Weight and local preference...................................................................................................................................255
Multiexit discriminators........................................................................................................................................... 256
Origin.........................................................................................................................................................................256
AS path and next-hop............................................................................................................................................. 257
Best path selection..................................................................................................................................................257
More path support...................................................................................................................................................258
Advertise cost..........................................................................................................................................................258
4-Byte AS numbers................................................................................................................................................. 259
AS number migration...............................................................................................................................................259
Congure border gateway protocol.......................................................................................................................260
Enable BGP.............................................................................................................................................................. 260
Congure Dual Stack...............................................................................................................................................262
Peer templates......................................................................................................................................................... 262
Neighbor fall-over....................................................................................................................................................264
Fast external fallover...............................................................................................................................................265
Passive peering........................................................................................................................................................ 267
Local AS.................................................................................................................................................................... 267
AS number limit........................................................................................................................................................268
Redistribute routes.................................................................................................................................................. 269
Additional paths....................................................................................................................................................... 269
MED attributes.........................................................................................................................................................270
Local preference attribute.......................................................................................................................................270
Weight attribute........................................................................................................................................................271
Enable multipath.......................................................................................................................................................272
Route-map lters..................................................................................................................................................... 272
Route reector clusters...........................................................................................................................................272
Aggregate routes......................................................................................................................................................273
Confederations......................................................................................................................................................... 274
Route dampening.....................................................................................................................................................275
Contents
9