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Broadband connection problem

By Bashful ·
Just started using broadband at home. Using USB modem I have no problems. However I bought a D-Link 300T modem/router to share the connection with others at home via a switch. The switch also connects me to my work network via a bridge.
The d-link has been given a static IP address in the same subnet as my work.
When I disconnect the bridge I can surf the net but when the bridge is reconnected, the surfing stops.
The only difference I can see in the log of the modem is one line has been added:-
default route ioctl(SIOCADDRT): Network is unreachable
Computers are running XP Pro (pre SP2)
Anyone any ideas what this means?

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by zaferus In reply to Broadband connection prob ...

It sounds like you are "double NATing", where you have two devices that change your IP addresses to internal ones that likely are not aware of each other.

You will either have to configure BOTH devices to what is called "static routes" where they understand how to communicate with each other; put one in "standard" mode where it doesn't NAT, or just disconnect your bridge. If you don't understand what I'm talking about here your best bet is probably to just disconnect your bridge.

Zaf

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by zaferus In reply to

Ok, let me know. I do lots of work with routing so hopefully I can help with this problem. I might need more information about the specifics of your setup though.

Zaf

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by Bashful In reply to

Poster rated this answer.

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by Bashful In reply to Broadband connection prob ...

You are probably correct about the Natting but unfortunately it appears that I cannot stop either.

I will try disconnecting the bridge to see if that solves the problem and report back the results.

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by Bashful In reply to Broadband connection prob ...

The Natting was the problem right enough. Removing the bridge has allowed me to surf O.K.

I just connect the bridge as and when I need it now.

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by Bashful In reply to Broadband connection prob ...

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