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Hi, I have an issue for
which the RFC 3376 does not suggest anything. Lets say in a Lan there are two
igmpv3 routers and one igmpv3 host present. Lets say Q1 is querier and Q2 is
non-querier. Now Host1 sends include s1 for grp G1. Both Q1 and Q2 will have an
entry in their respective database. Now Host1 sends a report block s1 for grp
G1. Q1 on receipt of this block report will start LMQT timer, set the source
timer of s1 to LMQT and start sending group and source specific queries for
G1/s1. After LMQT expires Q1 will delete the entry of G1/s1 from its database.
Now what will be the non-querier's behaviour. Will it also start LMQT, in that
case Querier's LMQT and non-querier's LMQT (which is LMQC*LMQI) may differ
based on different LMQC values. Non-querier comes to know about the querier's
LMQI from the Max Response Code in the specific query pkt but what about
querier's LMQC, non-querier has no way to know about the querier's LMQI. Can anyone throw some light
on this? Thanks Suvendu. |
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