Multicast from LAN to WAN

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tnetrider
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Joined: 22 Apr 2013
Posts: 11

PostPosted: Thu Sep 21, 2017 13:26    Post subject: Multicast from LAN to WAN Reply with quote
Hi folks,

I'm hoping someone can help me here. I have a pc generating multicast video via vlc attached to a lan port of router running ddwrt. I have a need to get the multicast video over to the wan port, is there a way to do this? Before anyone asks why, it is not hooked up to the internet... it's just something I wanted to try in my testbed.

Thanks in advance!
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Alozaros
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Joined: 16 Nov 2015
Posts: 5192
Location: UK, London, just across the river..

PostPosted: Thu Sep 21, 2017 15:35    Post subject: Reply with quote
as far as im aware of DD-WRT settings log in to GUI and
go to Security>Block WAN Requests>untick Filter Multicast ...

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tnetrider
DD-WRT Novice


Joined: 22 Apr 2013
Posts: 11

PostPosted: Thu Sep 21, 2017 16:23    Post subject: Reply with quote
Alozaros wrote:
as far as im aware of DD-WRT settings log in to GUI and
go to Security>Block WAN Requests>untick Filter Multicast ...


I thought that would allow multicast into the LAN side through the WAN port... I need a way for a PC on a LAN port that's sourcing multicast packets to go outside the WAN port?

Thanks!
Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 6491
Location: Romerike, Norway

PostPosted: Thu Sep 21, 2017 18:35    Post subject: Reply with quote
You have to create a custom igmpproxy.conf

You can only set one interface as upstream.
tnetrider
DD-WRT Novice


Joined: 22 Apr 2013
Posts: 11

PostPosted: Mon Sep 25, 2017 16:29    Post subject: Reply with quote
Per Yngve Berg wrote:
You have to create a custom igmpproxy.conf

You can only set one interface as upstream.


Thanks for the pointer. I'll look into that!
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