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ADSL to Ethernet bridge?

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6 replies

by darren.stradins 2 views

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I am currently subscribing to BT's Business 500 with fixed IP address ADSL service...

I want to be able to 'bridge' from ADSL to Ethernet so I can connect ADSL into a Raptor Firewall.... (ie our fixed IP address from ADSL needs bridging through straight to the ethernet interface)..

The modem supplied by BT is USB based, so NT4 is no good (please dont suggest the dodgy USB stack for NT4) and if I install on 2000 server Raptor doesn't recognise the ADSL link as a valid network entity - hence the need for ethernet.

Has anyone accomplished this??? I've had a go with a 3com 612 office router by disabling PAT but to no avail...

Thanks
-Darren

6 replies

by darren.stradins

Sorry - I should have mentioned that I want to be able to do the above for VPNing using IPSec (hence I can't use NAT)...

by cavedweller

Why not replace the current modem with a dsl router? Most models incorporate a multi-port ethernet switch (even though you only need one for your firewall right now). You should be able to turn off their built-in NAT feature.

by darren.stradins

the vigor acts as a ADSL router - it doesn't provide a true bridging service - ie one ip address translates through ports... The Vigor is ok if you have more than 1 ip address assigned from your isp - whereas I dont!

I'm after a router that supports numberless interfaces that acts as a true bridging device.

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