Hello everybody. I am helping My friend Yestarday we purchased Brodband Router VOIP Voice with 2phone ports. LinkSys Model No.RTP300 we have 2 systems,one is Laptop and another is Desktop One side cable connector from ISP's puting to router,and another systems connected through Via router.At that time systems are not working.When i configure in one single system ip,gateway,DNs it is working fine.But when i connect via Router to system is not working. ISP's provide me. IP Address 172.23.13.8 Gateway 172.23.13.1 subnet 255.255.255.0 Dns 202.65.128.251 Alt Dns 202.65.128.2 Defualt Router Ip is 169.254.214.147,Subnet 255.255.255.0 Even I changed this one also.I set this all configurations in my router Ip 172.23.13.8,Gateway 172.23.13.1 to automatic configuration but is not working. I restart some many time to router.But it is not configure. (ISP------------------------------->System)It is working fine. (ISP--------->Vairouter----------->systems)It is not working. Any one help me give helpfull sugessions.