Name resolution w/ multiple connections

[Anthony Yarusso]

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I have two computers, a laptop and a desktop, as well as a router.
The desktop is wired to the router, and the laptop can connect
wirelessly.  The only point of the router is to talk between the two
computers.  My internet connection is dialup, from the laptop.  I have
found that if online and then I connect to the wireless network (via
Network-Manager), my DNS settings switch to 192.168.1.1, which is of
course completely bogus and I can no longer load things from the
internet.  So, what I need to know, is how to have both the modem and
wireless LAN connections up at the same time while maintaining
nameserver stuff through the dialup connection (except for things
defined in the hosts file as being local, like "duluth 192.168.1.5")?
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