Dear All,I have Cisco 1841 Router with e ports - fa0/0 and 0/1. 0/0 is configured for vlan trunking and 4 subnets are configured.default gateway for router is inside IP of Pix 506 e 6.3(4). The IP details are below.Fa0/0 - 192.168.165.910.1 - 192.168...