Concept Guide

Congure Multiple Spanning Tree Protocol.................................................................................................................612
Related Conguration Tasks....................................................................................................................................613
Enable Multiple Spanning Tree Globally....................................................................................................................... 613
Adding and Removing Interfaces..................................................................................................................................613
Creating Multiple Spanning Tree Instances.................................................................................................................614
Inuencing MSTP Root Selection................................................................................................................................ 614
Interoperate with Non-Dell Bridges..............................................................................................................................615
Changing the Region Name or Revision......................................................................................................................615
Modifying Global Parameters........................................................................................................................................616
Modifying the Interface Parameters............................................................................................................................ 617
Setting STP path cost as constant..............................................................................................................................618
Conguring an EdgePort...............................................................................................................................................618
Flush MAC Addresses after a Topology Change........................................................................................................ 619
MSTP Sample Congurations.......................................................................................................................................619
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.......................................................................................620
Debugging and Verifying MSTP Congurations......................................................................................................... 621
33 Multicast Features................................................................................................................................... 624
Enabling IP Multicast.....................................................................................................................................................624
Implementation Information..........................................................................................................................................624
Multicast Policies...........................................................................................................................................................625
IPv4 Multicast Policies............................................................................................................................................625
Understanding Multicast Traceroute (mtrace)...........................................................................................................632
Important Points to Remember............................................................................................................................. 633
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 633
Supported Error Codes................................................................................................................................................. 634
mtrace Scenarios...........................................................................................................................................................635
34 Object Tracking........................................................................................................................................ 641
Object Tracking Overview............................................................................................................................................. 641
Track Layer 2 Interfaces..........................................................................................................................................642
Track Layer 3 Interfaces..........................................................................................................................................642
Track IPv4 and IPv6 Routes................................................................................................................................... 643
Set Tracking Delays................................................................................................................................................. 644
VRRP Object Tracking............................................................................................................................................ 644
Object Tracking Conguration......................................................................................................................................644
Tracking a Layer 2 Interface................................................................................................................................... 644
Tracking a Layer 3 Interface................................................................................................................................... 645
Track an IPv4/IPv6 Route...................................................................................................................................... 647
Displaying Tracked Objects............................................................................................................................................651
35 Open Shortest Path First (OSPFv2 and OSPFv3)................................................................................... 653
Protocol Overview.........................................................................................................................................................653
Autonomous System (AS) Areas........................................................................................................................... 653
Area Types................................................................................................................................................................ 654
Contents
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