hi, i have a USR router, i been trying too figure out why that is disconnecting or my cable modem. here is the things i did to try out assign static ip, put the default internet gateway, DNS servers. also this router has DHCP built in to this. i also went to usr.com, find the user manual there nothing helped there also router company's give to litte information. this router also supports Upnp i have that installed too. when my brother and i connect to the router and open a port in virtual server on that. the router, modem disconnect me and him. did some1 here have the same problem as me here? please relay asap thank you. i need help on this