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Hi, I'm having some difficulty setting up a network configuration for a client. They're changing their network configuration for a remote dial-in system. Currently, box A dials in to Box B using PPP. However, Box B is moving to a new location, so they want me to insert a Box C in the middle. Box A should think it is dialing in to Box B, so the local and remote IP addresses should remain the same. Similarly, Box B should think that Box A is connected directly, so again the local and remote set up should be the same. We don't want to change the config on Box A or Box B. Current: Box A. 10.8.0.2 <-> Box B 10.8.0.1 Desired: Box A. 10.8.0.2 <-> Box C <-> Box B 10.8.0.1 Box A needs to think the other side of the ppp link is 10.8.0.1, Box B needs to think the other side is 10.8.0.2 I've tried to set up ppp0 to box A with IP 10.8.0.1 and ppp1 to Box B with IP 10.8.0.2, but then box C won't route anything anywhere, since all the IP addresses are local. Is there a way to set up such a system with iptables, or anything else? Surely I can't be the only one who's needed such a system? The sole purpose of box C is to provide this link, so it can be configured in any way necessary. Cheers, Anthony -- Author of C++ Concurrency in Action http://www.stdthread.co.uk/book/ just::thread C++11 thread library http://www.stdthread.co.uk Just Software Solutions Ltd http://www.justsoftwaresolutions.co.uk 15 Carrallack Mews, St Just, Cornwall, TR19 7UL, UK. Company No. 5478976
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