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15 posts


Topic # 23002 15-Jun-2008 09:20
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Hey guys,

I'm with WXC and trying to set up my Allied Telesyn AR240E in bridged mode with my Buffalo wireless router (with Tomato firmware).
I wanna do this because the portforwarding on the AR240E is kinda suck (actually the whole interface is pretty rubbish, and I can't get it going), and also I'd rather just deal with the Tomato interface.

So I set the AR240E up in bridged, and the Tomato up with the WAN interface as PPPoE. This is the hazy part for me: is the WAN of the Tomato meant to be PPPoE. I know that ADSL is PPPoA, but I assume that the AR240E is receiving the PPPoA, handing over to the Tomato, which since it is recieving over the ethernet WAN is PPPoE.

Has anyone had any experience with bridged mode ADSL? Any tips, recommended setings?
Should it be bridged VC/MUX or LLC/SNAP?


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Ultimate Geek


  Reply # 138133 15-Jun-2008 10:55
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Normally you would set the router to DHCP mode. THe DSL Modem usually masks/shadows/aliases/whatever the WAN IP address to the Router after stripping the PPP parts.

15 posts


  Reply # 138170 15-Jun-2008 14:33
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Thanks mushion, but that didn't seem to work.
The bridged configuration on the modem has no details for authentication (user/pass), and the router only has MTU as a setting for DHCP.
Surely one of them needs to be authenticating?



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  Reply # 138175 15-Jun-2008 15:22
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I think my problem is that my modem only does full bridged mode.
This mode runs over PPPoE (what telstra clear uses), but all Telecom derived services use PPPoA.
Full bridged works for PPPoE because the modem can just blindly forward eveything to the LAN interface, but for PPPoA the PPP authentication needs to happen.

What I'm actually after is half bridged mode, which would let me put the WAN of my router onto DCHP and would let it grab the public IP.

Pretty sure that's my problem, someone set me straight if I'm wrong :)

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