setting up a firewall i have two nic's (realtek 8139 or something its at home im at work) and (linksys lne100tx) the linksys is connected to my cable modem and the realtek is on the local connected to my lynksys router/used as switch problem is the linksys wont get an ip it keeps using the bogus 164. one and the lights on cable modem just blink maybe those cards dont work well together? anyone that can help please .