On Thu, 2 Dec 1999, Larry Clapp wrote: > Just by the way, you don't *have* to have three cards. I have a > setup vaguely similar to the one you've described, at least as > far as how the network looks: > > desktop machine (IP addr from DHCP) > cable modem --- hub --< > laptop machine (IP 192.168.39.1) > > I use the desktop machine as the router with only one ethernet > card. The routing tables may look a bit odd, but it does work, > and the collisions on the network are not as high as you might > think --
Clever hack! [ ... ] > The big disadvantage to this setup is that, since the desktop > machine gets its IP address from dhcp, occasionally it changes. > (I leave it on all the time, though, so that doesn't happen very > often.) When that happens, you have to change your routing > tables and your /etc/hosts file. I do it by hand, but perhaps > one day I'll automate it. It only happens once every few months, > so it hasn't annoyed me enough, yet. :) Once upon a time there was a way to "alias" multiple addresses to one physical interface. I expect one can still do this, but I have forgotten the exact command. Aliasing your desktop's ethernet would give you a stable address for your laptop to use as a gateway! -S
