Setup Guide

Congure Multiple Spanning Tree Protocol.................................................................................................................619
Related Conguration Tasks...................................................................................................................................620
Enable Multiple Spanning Tree Globally...................................................................................................................... 620
Adding and Removing Interfaces.................................................................................................................................620
Creating Multiple Spanning Tree Instances.................................................................................................................621
Inuencing MSTP Root Selection................................................................................................................................ 621
Interoperate with Non-Dell Bridges............................................................................................................................. 622
Changing the Region Name or Revision..................................................................................................................... 622
Modifying Global Parameters....................................................................................................................................... 623
Modifying the Interface Parameters............................................................................................................................624
Setting STP path cost as constant............................................................................................................................. 625
Conguring an EdgePort.............................................................................................................................................. 625
Flush MAC Addresses after a Topology Change....................................................................................................... 626
MSTP Sample Congurations......................................................................................................................................626
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration....................................................................................... 627
Debugging and Verifying MSTP Congurations........................................................................................................ 628
33 Multicast Features....................................................................................................................................631
Enabling IP Multicast......................................................................................................................................................631
Implementation Information.......................................................................................................................................... 631
Multicast Policies...........................................................................................................................................................632
IPv4 Multicast Policies............................................................................................................................................ 632
Understanding Multicast Traceroute (mtrace).......................................................................................................... 639
Important Points to Remember............................................................................................................................. 640
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 640
Supported Error Codes..................................................................................................................................................641
mtrace Scenarios...........................................................................................................................................................642
34 Object Tracking........................................................................................................................................648
Object Tracking Overview............................................................................................................................................ 648
Track Layer 2 Interfaces..........................................................................................................................................649
Track Layer 3 Interfaces..........................................................................................................................................649
Track IPv4 and IPv6 Routes...................................................................................................................................650
Set Tracking Delays.................................................................................................................................................. 651
VRRP Object Tracking............................................................................................................................................. 651
Object Tracking Conguration...................................................................................................................................... 651
Tracking a Layer 2 Interface.................................................................................................................................... 651
Tracking a Layer 3 Interface................................................................................................................................... 652
Track an IPv4/IPv6 Route...................................................................................................................................... 654
Displaying Tracked Objects...........................................................................................................................................658
35 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 660
Protocol Overview.........................................................................................................................................................660
Autonomous System (AS) Areas........................................................................................................................... 660
Area Types................................................................................................................................................................. 661
Contents
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