Administrator Guide

30 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 502
Protocol Overview.........................................................................................................................................................502
Spanning Tree Variations.............................................................................................................................................. 503
Implementation Information................................................................................................................................... 503
Congure Multiple Spanning Tree Protocol................................................................................................................503
Related Conguration Tasks...................................................................................................................................504
Enable Multiple Spanning Tree Globally...................................................................................................................... 504
Adding and Removing Interfaces.................................................................................................................................504
Creating Multiple Spanning Tree Instances................................................................................................................505
Inuencing MSTP Root Selection............................................................................................................................... 506
Interoperate with Non-Dell Bridges.............................................................................................................................506
Changing the Region Name or Revision..................................................................................................................... 507
Modifying Global Parameters....................................................................................................................................... 507
Modifying the Interface Parameters........................................................................................................................... 508
Conguring an EdgePort.............................................................................................................................................. 509
Flush MAC Addresses after a Topology Change........................................................................................................ 510
MSTP Sample Congurations.......................................................................................................................................510
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.........................................................................................511
Debugging and Verifying MSTP Congurations......................................................................................................... 514
31 Multicast Features.................................................................................................................................... 516
Enabling IP Multicast......................................................................................................................................................516
Implementation Information.......................................................................................................................................... 516
Multicast Policies............................................................................................................................................................517
IPv4 Multicast Policies............................................................................................................................................. 517
Understanding Multicast Traceroute (mtrace).....................................................................................................524
Printing Multicast Traceroute (mtrace) Paths..................................................................................................... 525
Supported Error Codes........................................................................................................................................... 526
mtrace Scenarios..................................................................................................................................................... 527
32 Object Tracking........................................................................................................................................533
Object Tracking Overview............................................................................................................................................ 533
Track Layer 2 Interfaces..........................................................................................................................................534
Track Layer 3 Interfaces..........................................................................................................................................534
Track IPv4 and IPv6 Routes...................................................................................................................................535
Set Tracking Delays................................................................................................................................................. 536
VRRP Object Tracking............................................................................................................................................ 536
Object Tracking Conguration..................................................................................................................................... 536
Tracking a Layer 2 Interface................................................................................................................................... 536
Tracking a Layer 3 Interface................................................................................................................................... 537
Track an IPv4/IPv6 Route...................................................................................................................................... 539
Displaying Tracked Objects...........................................................................................................................................542
33 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................544
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