>If you suspect that DHCP maybe the cause of the lost connection why not turn it off? Either create a static IP for the desktop and test or turn on the a replacement DHCP on one of the servers.
If it's the typical Linksys DHCP issues, I suspect what Michel is seeing is that the lease his WAN IP address gets from his ISP is the one that's misbehaving, not the IPs that the router DHCP server doles out to the LAN machines. If his ISP doesn't change his WAN IP very often he might get away with making it a static address (my IP address on my cable ISP has only changed 3 times in the 8 years I've had the account, others [especially ADSL] change more frequently)
Besides, his router model supports dd-WRT firmware (and maybe others as well) so he might as well try it - I've had excellent results with it.
Regards. Al
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