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Subscribe to a multicast broadcast after connecting to GRE tunnel

in flag

I created a gre tunnel to a ip that's doing multicast broadcasting.

I look at tcpdump and I see that there are two messages that keep repeating

PIMv2 98 bytes long Info Hello
IGMPv2 72 bytes long Info Membership Query, General

I think the tunnel is correctly setup, how do I join so that I can start getting the broadcast messages?

A.B avatar
cl flag
A.B
try with socat: http://www.dest-unreach.org/socat/doc/socat-multicast.html
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