Supose I'm added as a client in a small multicast network with L2 switches and one unique router that is the LHR that uses IGMPv2. Can I (legally if possible) forward some signal that will give me the LHR or the source IP address?
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Hm its unclear what you want to, but Look on the Management of the switch it might be give an hint – djdomi Jul 14 '19 at 20:08
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@djdomi I think I understand why it is not clear. I'm searching for the node that created the multicast network. Not just a source – mranon Jul 17 '19 at 00:50
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so fixed your issue? – djdomi Jul 19 '19 at 14:46
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not yet, but I found the command ip maddr show which is great – mranon Jul 19 '19 at 23:14
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oh yeah and nmap is good too – mranon Jul 20 '19 at 00:33