Deployment Guide

Protocol Overview..........................................................................................................................................................518
Spanning Tree Variations............................................................................................................................................... 519
Implementation Information.......................................................................................................................................... 519
Congure Multiple Spanning Tree Protocol.................................................................................................................519
Related Conguration Tasks...................................................................................................................................520
Enable Multiple Spanning Tree Globally...................................................................................................................... 520
Creating Multiple Spanning Tree Instances................................................................................................................ 520
Inuencing MSTP Root Selection................................................................................................................................ 521
Interoperate with Non-Dell Networking OS Bridges................................................................................................. 522
Changing the Region Name or Revision..................................................................................................................... 522
Modifying Global Parameters....................................................................................................................................... 523
Enable BPDU Filtering Globally.................................................................................................................................... 524
Modifying the Interface Parameters............................................................................................................................524
Conguring an EdgePort.............................................................................................................................................. 525
Flush MAC Addresses after a Topology Change....................................................................................................... 526
MSTP Sample Congurations......................................................................................................................................526
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration....................................................................................... 527
Debugging and Verifying MSTP Congurations........................................................................................................ 530
37 Multicast Features................................................................................................................................... 532
Enabling IP Multicast.....................................................................................................................................................532
Implementation Information..........................................................................................................................................532
First Packet Forwarding for Lossless Multicast.........................................................................................................533
Multicast Policies...........................................................................................................................................................533
IPv4 Multicast Policies.................................................................................................................................................. 533
Limiting the Number of Multicast Routes............................................................................................................ 534
Preventing a Host from Joining a Group.............................................................................................................. 534
Rate Limiting IGMP Join Requests........................................................................................................................537
Preventing a PIM Router from Forming an Adjacency........................................................................................537
Preventing a Source from Registering with the RP............................................................................................ 537
Preventing a PIM Router from Processing a Join............................................................................................... 540
Understanding Multicast Traceroute (mtrace).......................................................................................................... 540
Important Points to Remember.............................................................................................................................. 541
Printing Multicast Traceroute (mtrace) Paths............................................................................................................ 541
Supported Error Codes.................................................................................................................................................542
mtrace Scenarios...........................................................................................................................................................543
38 Open Shortest Path First (OSPFv2 and OSPFv3)....................................................................................549
Protocol Overview.........................................................................................................................................................549
Autonomous System (AS) Areas........................................................................................................................... 549
Area Types................................................................................................................................................................550
Networks and Neighbors.........................................................................................................................................551
Router Types............................................................................................................................................................. 551
Link-State Advertisements (LSAs)........................................................................................................................553
Router Priority and Cost.........................................................................................................................................554
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