Connectivity Guide

Table Of Contents
Setting spanning-tree link type for rapid state transitions............................................................................. 345
MAC flush optimization........................................................................................................................................... 345
RSTP commands....................................................................................................................................................... 346
Virtual LANs..................................................................................................................................................................... 352
Default VLAN............................................................................................................................................................. 353
Create or remove VLANs........................................................................................................................................ 353
Access mode.............................................................................................................................................................. 354
Trunk mode.................................................................................................................................................................355
Assign IP address...................................................................................................................................................... 356
View VLAN configuration........................................................................................................................................ 357
VLAN commands.......................................................................................................................................................358
Port monitoring............................................................................................................................................................... 359
Local port monitoring...............................................................................................................................................359
Remote port monitoring.......................................................................................................................................... 360
Encapsulated remote port monitoring................................................................................................................. 362
Flow-based monitoring............................................................................................................................................ 363
Remote port monitoring on VLT............................................................................................................................364
Port monitoring commands.................................................................................................................................... 366
Chapter 6: Layer 3......................................................................................................................371
Virtual routing and forwarding...................................................................................................................................... 371
Configure management VRF................................................................................................................................... 371
Configure non-default VRF instances.................................................................................................................. 373
VRF configuration..................................................................................................................................................... 375
View VRF instance information..............................................................................................................................379
Static route leaking...................................................................................................................................................379
VRF commands..........................................................................................................................................................383
Bidirectional Forwarding Detection............................................................................................................................ 390
BFD session states................................................................................................................................................... 390
BFD three-way handshake...................................................................................................................................... 391
BFD configuration..................................................................................................................................................... 392
Configure BFD globally............................................................................................................................................ 392
BFD for BGP...............................................................................................................................................................393
BFD for OSPF............................................................................................................................................................ 397
BFD for Static route..................................................................................................................................................401
BFD commands..........................................................................................................................................................403
Border Gateway Protocol............................................................................................................................................. 409
Sessions and peers.................................................................................................................................................... 410
Route reflectors.......................................................................................................................................................... 411
Multiprotocol BGP..................................................................................................................................................... 412
Attributes.....................................................................................................................................................................412
Selection criteria........................................................................................................................................................ 412
Weight and local preference................................................................................................................................... 413
Multiexit discriminators............................................................................................................................................ 413
Origin.............................................................................................................................................................................414
AS path and next-hop...............................................................................................................................................414
Best path selection....................................................................................................................................................415
More path support.....................................................................................................................................................415
Advertise cost.............................................................................................................................................................416
4-Byte AS numbers................................................................................................................................................... 416
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