UDLR-IGMP Leave

Multicast source

for Group G

1) Receiver leaves Group G

5) B receives leave for group G,

knows that C is no longer

the reporter

7) B forwards report for

group G to A

6) Receiver reports for Group G

4) A receives Leave for G from C and forwards

on UDLR link, but doesn’t delete interface

from forward list

8) A receives report from B for G

2) C sends GS-Query and

determines no more members.

3) C sends leave for group G

to querier A