Setup Guide

29 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 504
Protocol Overview.........................................................................................................................................................504
Spanning Tree Variations.............................................................................................................................................. 505
Implementation Information................................................................................................................................... 505
Congure Multiple Spanning Tree Protocol................................................................................................................505
Related Conguration Tasks...................................................................................................................................506
Enable Multiple Spanning Tree Globally...................................................................................................................... 506
Adding and Removing Interfaces.................................................................................................................................506
Creating Multiple Spanning Tree Instances................................................................................................................ 507
Inuencing MSTP Root Selection................................................................................................................................508
Interoperate with Non-Dell Bridges.............................................................................................................................508
Changing the Region Name or Revision.....................................................................................................................509
Modifying Global Parameters.......................................................................................................................................509
Modifying the Interface Parameters............................................................................................................................ 510
Conguring an EdgePort................................................................................................................................................511
Flush MAC Addresses after a Topology Change........................................................................................................ 512
MSTP Sample Congurations.......................................................................................................................................512
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration........................................................................................513
Debugging and Verifying MSTP Congurations......................................................................................................... 516
30 Multicast Features................................................................................................................................... 518
Enabling IP Multicast......................................................................................................................................................518
Implementation Information.......................................................................................................................................... 518
Multicast Policies............................................................................................................................................................519
IPv4 Multicast Policies.............................................................................................................................................519
Understanding Multicast Traceroute (mtrace).......................................................................................................... 526
Important Points to Remember..............................................................................................................................527
Printing Multicast Traceroute (mtrace) Paths............................................................................................................527
Supported Error Codes.................................................................................................................................................528
mtrace Scenarios...........................................................................................................................................................529
31 Object Tracking........................................................................................................................................ 535
Object Tracking Overview............................................................................................................................................ 535
Track Layer 2 Interfaces..........................................................................................................................................536
Track Layer 3 Interfaces..........................................................................................................................................536
Track IPv4 and IPv6 Routes................................................................................................................................... 537
Set Tracking Delays................................................................................................................................................. 538
VRRP Object Tracking............................................................................................................................................ 538
Object Tracking Conguration..................................................................................................................................... 538
Tracking a Layer 2 Interface................................................................................................................................... 538
Tracking a Layer 3 Interface................................................................................................................................... 539
Track an IPv4/IPv6 Route.......................................................................................................................................541
Displaying Tracked Objects...........................................................................................................................................544
18
Contents