Problem Details: iam having 1841 router in main office, isp connected s0/0, s0/1 ip 10.10.10.1 and e0/0 is connected to my proxy server(192.168.0.1), from that it is going my lan. now i want to extend 192.168.0.0 network to my branch office. This is only point to point conectivity intranet and internet purpose. In remote side s0 ip 10.10.10.2/24.and Lan ip 192.168.3.1. we are using encap ppp.