Tuesday 20 July 2010

BSCI - Multicast - Notes

This article is more of a reminder to me on some of the finer points of multicast show commands.

1) #sh ip mroute - in the output of this cmd the neighbor stated in the RPF field is the upstream router to the multicast source

2) #sh ip mroute summary - displays active multicast groups
3) #sh ip pim interface count - The H parameter identifies the IP-Multicast, MLS-enabled interfaces

4) #sh ip pim int s0/0 - displays the IP of the next hop router, number of PIM neighbors discovered, PIM mode

5) IGMPv3, receivers signal membership to a multicast host group in either Exclude or Include mode

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