Users Guide

Protocol Overview......................................................................................................................................................... 537
Spanning Tree Variations.............................................................................................................................................. 538
Implementation Information....................................................................................................................................538
Congure Multiple Spanning Tree Protocol................................................................................................................538
Related Conguration Tasks...................................................................................................................................538
Enable Multiple Spanning Tree Globally...................................................................................................................... 539
Adding and Removing Interfaces.................................................................................................................................539
Creating Multiple Spanning Tree Instances................................................................................................................ 539
Inuencing MSTP Root Selection................................................................................................................................540
Interoperate with Non-Dell Bridges..............................................................................................................................541
Changing the Region Name or Revision......................................................................................................................541
Modifying Global Parameters....................................................................................................................................... 542
Modifying the Interface Parameters............................................................................................................................543
Conguring an EdgePort.............................................................................................................................................. 544
Flush MAC Addresses after a Topology Change....................................................................................................... 545
MSTP Sample Congurations......................................................................................................................................545
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................545
Debugging and Verifying MSTP Congurations........................................................................................................ 548
31 Multicast Features................................................................................................................................... 550
Enabling IP Multicast.................................................................................................................................................... 550
Implementation Information......................................................................................................................................... 550
Multicast Policies............................................................................................................................................................551
IPv4 Multicast Policies.............................................................................................................................................551
32 Object Tracking....................................................................................................................................... 559
Object Tracking Overview............................................................................................................................................ 559
Track Layer 2 Interfaces......................................................................................................................................... 560
Track Layer 3 Interfaces......................................................................................................................................... 560
Track IPv4 and IPv6 Routes....................................................................................................................................561
Set Tracking Delays................................................................................................................................................. 562
VRRP Object Tracking............................................................................................................................................ 562
Object Tracking Conguration..................................................................................................................................... 562
Tracking a Layer 2 Interface................................................................................................................................... 562
Tracking a Layer 3 Interface................................................................................................................................... 563
Track an IPv4/IPv6 Route...................................................................................................................................... 564
Displaying Tracked Objects...........................................................................................................................................568
33 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................570
Protocol Overview......................................................................................................................................................... 570
Autonomous System (AS) Areas........................................................................................................................... 570
Area Types................................................................................................................................................................. 571
Networks and Neighbors........................................................................................................................................ 572
Router Types.............................................................................................................................................................572
Designated and Backup Designated Routers........................................................................................................574
Link-State Advertisements (LSAs)........................................................................................................................ 574
Contents
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