I am running Icepack Linux 2.75.
I also have a LAN:
Belkin F5D6231-4 802.11b Wireless Router with WLAN and 4 wired ports
1 PC wired
1 PC wireless
Cable modem
dhcp assigned I.P. Addresses

I want to hard-wire my Linux Box to the network as well.
Linux can see my router. I can go to the i.p. address and edit my router settings from Linux.
However my router does not show the Linux box in the dhcp client list and I cannot see my other PCs or get to the internet.
I have tried both static and non-static I.P. address on Linux

What do I need to configure in order for my Linux box to be a part of the network?

Hey,
did you set up your resolv.conf properly?
There has to be 'nameserver 192.168.1.1'.
Replace by your Routers/Gateways/DNS IP.
This in most cases will do ... You also could try typing 'route add standard gw 192.168.1.1 eth0' (Also replace Router ip and device name by yours)

I edited my resolv.conf and added the line:
nameserver 192.168.1.1
(I changed the IP Address to my router's)

This allowed me to start accessing the internet.
I still have not tried accessing the network but will soon. More questions will follow.
Thank you!