Connectivity Guide

Table Of Contents
Designated and backup designated routers....................................................................................................... 506
Link-state advertisements...................................................................................................................................... 507
Router priority............................................................................................................................................................507
Shortest path first throttling................................................................................................................................. 508
OSPFv2....................................................................................................................................................................... 509
OSPFv3........................................................................................................................................................................ 541
Object tracking manager...............................................................................................................................................562
Interface tracking......................................................................................................................................................562
Host tracking..............................................................................................................................................................563
Set tracking delays................................................................................................................................................... 564
Object tracking.......................................................................................................................................................... 564
View tracked objects................................................................................................................................................564
OTM commands........................................................................................................................................................565
Policy-based routing...................................................................................................................................................... 568
Access-list to match route-map............................................................................................................................568
Set address to match route-map..........................................................................................................................569
Assign route-map to interface...............................................................................................................................569
View PBR information..............................................................................................................................................569
Policy-based routing per VRF................................................................................................................................ 570
Configuring PBR per VRF....................................................................................................................................... 570
Sample configuration................................................................................................................................................ 571
Track route reachability...........................................................................................................................................572
Use PBR to permit and block specific traffic..................................................................................................... 572
View PBR configuration...........................................................................................................................................573
PBR commands..........................................................................................................................................................574
Virtual Router Redundancy Protocol..........................................................................................................................576
Configuration..............................................................................................................................................................577
Create virtual router.................................................................................................................................................578
Group version.............................................................................................................................................................578
Virtual IP addresses.................................................................................................................................................. 579
Configure virtual IP address................................................................................................................................... 579
Configure virtual IP address in a VRF.................................................................................................................. 580
Set group priority.......................................................................................................................................................581
Authentication............................................................................................................................................................ 581
Disable preempt.........................................................................................................................................................582
Advertisement interval.............................................................................................................................................583
Interface/object tracking........................................................................................................................................583
Configure tracking.................................................................................................................................................... 584
VRRP commands...................................................................................................................................................... 585
Chapter 7: Multicast................................................................................................................. 590
Important notes...............................................................................................................................................................590
Configure multicast routing..........................................................................................................................................590
Unknown multicast flood control.................................................................................................................................591
Enable multicast flood control............................................................................................................................... 592
Multicast Commands..................................................................................................................................................... 592
multicast snooping flood-restrict.......................................................................................................................... 592
Internet Group Management Protocol...................................................................................................................... 593
Standards compliance..............................................................................................................................................593
Important notes.........................................................................................................................................................593
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