Users Guide

Enable MLD Snooping............................................................................................................................................ 600
Disable MLD Snooping.............................................................................................................................................601
Congure the switch as a querier.......................................................................................................................... 601
Specify port as connected to multicast router.....................................................................................................601
Enable Snooping Explicit Tracking......................................................................................................................... 602
Display the MLD Snooping Table........................................................................................................................... 602
32 Multiple Spanning Tree Protocol (MSTP)................................................................................................ 603
Protocol Overview.........................................................................................................................................................603
Spanning Tree Variations.............................................................................................................................................. 604
Implementation Information................................................................................................................................... 604
Congure Multiple Spanning Tree Protocol................................................................................................................604
Related Conguration Tasks...................................................................................................................................605
Enable Multiple Spanning Tree Globally...................................................................................................................... 605
Adding and Removing Interfaces.................................................................................................................................605
Creating Multiple Spanning Tree Instances................................................................................................................ 606
Inuencing MSTP Root Selection................................................................................................................................606
Interoperate with Non-Dell Bridges............................................................................................................................. 607
Changing the Region Name or Revision..................................................................................................................... 607
Modifying Global Parameters.......................................................................................................................................608
Modifying the Interface Parameters........................................................................................................................... 609
Conguring an EdgePort...............................................................................................................................................610
Flush MAC Addresses after a Topology Change.........................................................................................................611
MSTP Sample Congurations....................................................................................................................................... 611
Router 1 Running-CongurationRouter 2 Running-CongurationRouter 3 Running-
CongurationSFTOS Example Running-Conguration.........................................................................................611
Debugging and Verifying MSTP Congurations......................................................................................................... 613
33 Multicast Features................................................................................................................................... 615
Enabling IP Multicast..................................................................................................................................................... 615
Implementation Information.......................................................................................................................................... 615
Multicast Policies............................................................................................................................................................616
IPv4 Multicast Policies.............................................................................................................................................616
Understanding Multicast Traceroute (mtrace)...........................................................................................................623
Important Points to Remember..............................................................................................................................624
Printing Multicast Traceroute (mtrace) Paths........................................................................................................... 624
Supported Error Codes.................................................................................................................................................625
mtrace Scenarios...........................................................................................................................................................626
34 Object Tracking........................................................................................................................................632
Object Tracking Overview............................................................................................................................................ 632
Track Layer 2 Interfaces..........................................................................................................................................633
Track Layer 3 Interfaces..........................................................................................................................................633
Track IPv4 and IPv6 Routes................................................................................................................................... 634
Set Tracking Delays................................................................................................................................................. 635
VRRP Object Tracking............................................................................................................................................ 635
Contents
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