How can I setup a subnetwork using DDWRT and a 2Wire?

Posted by MadBurn on Server Fault See other posts from Server Fault or by MadBurn
Published on 2012-12-11T03:02:34Z Indexed on 2012/12/11 5:06 UTC
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dd-wrt

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home-network

Ok, I'm having a bit of trouble getting this setup. I'm not really sure what direction I need to be looking in.

I am on ATT UVerse and I have to use their horrible 2Wire Modem/Router. But with this router, I have very limited control over my network and my wifi range is too small for my house. But, I have a hardwire ran to my TV which I have hooked into a switch and split the line to my PS3. The problem I'm having, is I don't know how to get the Buffalo DD-WRT setup as a subnetwork so that the PS3 can find my Media Server.

Here is a diagram of what I'm trying to accomplish:

enter image description here

Blue is ethernet.

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