Concept Guide

Congure Multiple Spanning Tree Protocol.................................................................................................................617
Related Conguration Tasks....................................................................................................................................618
Enable Multiple Spanning Tree Globally....................................................................................................................... 618
Adding and Removing Interfaces..................................................................................................................................618
Creating Multiple Spanning Tree Instances.................................................................................................................619
Inuencing MSTP Root Selection................................................................................................................................ 619
Interoperate with Non-Dell Bridges.............................................................................................................................620
Changing the Region Name or Revision..................................................................................................................... 620
Modifying Global Parameters........................................................................................................................................621
Modifying the Interface Parameters............................................................................................................................622
Setting STP path cost as constant............................................................................................................................. 623
Conguring an EdgePort.............................................................................................................................................. 623
Flush MAC Addresses after a Topology Change........................................................................................................624
MSTP Sample Congurations......................................................................................................................................624
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................625
Debugging and Verifying MSTP Congurations........................................................................................................ 626
33 Multicast Features................................................................................................................................... 629
Enabling IP Multicast.....................................................................................................................................................629
Implementation Information..........................................................................................................................................629
Multicast Policies...........................................................................................................................................................630
IPv4 Multicast Policies............................................................................................................................................630
Understanding Multicast Traceroute (mtrace)...........................................................................................................637
Important Points to Remember............................................................................................................................. 638
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 638
Supported Error Codes.................................................................................................................................................639
mtrace Scenarios...........................................................................................................................................................640
34 Object Tracking........................................................................................................................................646
Object Tracking Overview............................................................................................................................................ 646
Track Layer 2 Interfaces..........................................................................................................................................647
Track Layer 3 Interfaces..........................................................................................................................................647
Track IPv4 and IPv6 Routes................................................................................................................................... 648
Set Tracking Delays................................................................................................................................................. 649
VRRP Object Tracking............................................................................................................................................ 649
Object Tracking Conguration..................................................................................................................................... 649
Tracking a Layer 2 Interface................................................................................................................................... 649
Tracking a Layer 3 Interface................................................................................................................................... 650
Track an IPv4/IPv6 Route...................................................................................................................................... 652
Displaying Tracked Objects...........................................................................................................................................656
35 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 658
Protocol Overview.........................................................................................................................................................658
Autonomous System (AS) Areas........................................................................................................................... 658
Area Types................................................................................................................................................................ 659
Contents
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