Firefox is showing "Server not found" when Fedora 14 NetworkManger is detecting ppp connection through wireless broadband modem

Hi,
I am using Wireless broadband modem. Network manager is detecting the modem and successfully acquring an ip through ppp0. But Firefox is showing "Server not found". I have found that /etc/resolv.conf is updated properly. And ping or nslookup on some url like www.google.com is working from terminal. So it seems either firefox is not able to use DNS or ppp connection. I have also tried by disabling eth or lo. But of no use.

See this thread: here.
However, please don't use 192.168.0.2 for the router but 192.168.137.2 instead. Home sharing uses 192.168.137.1 on the sharing computer instead of 192.168.0.1 as it was in earlier Windows versions.
To make the change, unplug the WRT from your network. Wire your second computer to a LAN port of the WRT.
Open the web interface at http://192.168.1.1/
On the main setup page, change the LAN IP address from 192.168.1.1 to 192.168.137.2.
On the same page, disable the DHCP server.
Save settings.
Unplug the computer. Now wire one of the numbered LAN ports of the WRT to your home sharing computer.
That's it.

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Firefox is showing "Server not found" when Fedora 14 NetworkManger is detecting ppp connection through wireless broadband modem

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