[ubuntu-uk] Networking Problem

[Nigel Verity]

Hi
I use a Linksys X2000 router which has a tendency to drop its internet connection once or twice a day, although connections between the router and clients stay active. This is, apparently, a common problem, but with no hard and fast solution that I can ascertain.
The internet connection is re-established by rebooting the router, either using the on/off switch, or remotely using the config pages. If I'm lucky I can then access the internet again but, more often than not, I still have to reboot the PC. The effect of this is clearly to re-initialise the PC's comms system. Does anybody know of any functions I can call which will re-initialise comms without having to reboot the PC?
Regards
Nige 		 	   		  
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