Users Guide

Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration.......................................................................................572
Debugging and Verifying MSTP Configurations........................................................................................................575
33 Multicast Features................................................................................................................................... 577
Enabling IP Multicast.....................................................................................................................................................577
Implementation Information..........................................................................................................................................577
Multicast Policies........................................................................................................................................................... 578
IPv4 Multicast Policies............................................................................................................................................ 578
Understanding Multicast Traceroute (mtrace)......................................................................................................... 585
Important Points to Remember.............................................................................................................................586
Printing Multicast Traceroute (mtrace) Paths..........................................................................................................586
Supported Error Codes.................................................................................................................................................587
mtrace Scenarios...........................................................................................................................................................588
34 Object Tracking....................................................................................................................................... 594
Object Tracking Overview............................................................................................................................................594
Track Layer 2 Interfaces.........................................................................................................................................595
Track Layer 3 Interfaces.........................................................................................................................................595
Track IPv4 and IPv6 Routes.................................................................................................................................. 596
Set Tracking Delays.................................................................................................................................................597
VRRP Object Tracking............................................................................................................................................597
Object Tracking Configuration.....................................................................................................................................597
Tracking a Layer 2 Interface.................................................................................................................................. 597
Tracking a Layer 3 Interface.................................................................................................................................. 598
Track an IPv4/IPv6 Route..................................................................................................................................... 600
Displaying Tracked Objects..........................................................................................................................................603
35 Open Shortest Path First (OSPFv2 and OSPFv3)...................................................................................605
Protocol Overview........................................................................................................................................................ 605
Autonomous System (AS) Areas.......................................................................................................................... 605
Area Types............................................................................................................................................................... 606
Networks and Neighbors........................................................................................................................................607
Router Types............................................................................................................................................................607
Designated and Backup Designated Routers.......................................................................................................609
Link-State Advertisements (LSAs).......................................................................................................................609
Router Priority and Cost......................................................................................................................................... 610
OSPF with Dell Networking OS.................................................................................................................................... 611
Graceful Restart....................................................................................................................................................... 612
Fast Convergence (OSPFv2, IPv4 Only)..............................................................................................................613
Multi-Process OSPFv2 with VRF...........................................................................................................................613
RFC-2328 Compliant OSPF Flooding....................................................................................................................613
OSPF ACK Packing..................................................................................................................................................614
Setting OSPF Adjacency with Cisco Routers.......................................................................................................614
Configuration Information............................................................................................................................................. 615
Configuration Task List for OSPFv2 (OSPF for IPv4)........................................................................................615
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Contents