Slow pageloads browsing vmware guest when offline

I frequently develop locally against a CentOS vmware guest running apache/mysql. I use a private hostname for a valid public domain name... e.g., local.domain.com. I have an entry in /etc/hosts so my local domain resolves to the local guest IP while the wildcard for the domain resolves to a public IP (i.e., *.domain.com).
When I have an active internet connection everything works fine.
When I do not have an internet connection (i.e., offline) the same setup works but page loads are extremely slow (5-7x slower than when internet connection is active).
Using Firebug in FF I can see the breakdown of each HTTP Request... it appears the additional time is being spent after DNS (DNS does not appear to be the issue) in the Connecting stage.
I see the issue in Firefox (3.5, downgraded to 3.0 to verify it wasn't 3.5) and in Safari.
I have not been using this setup on a regular basis lately so I'm not sure if it started pre-Snow Leopard upgrade or not.
thanks for any help figuring this out.

     Power cycle
     Power off the router. Unplug it from the wall. Wait a while.
     Plug it back to the wall. Power the router on. Wait until all the lights are lit properly.
     It will take a   while.
     Restart the computer.
     Start up in Safe Mode
     http://support.apple.com/kb/PH11212

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Slow pageloads browsing vmware guest when offline

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