Hi Guys,A basic firewall issue-network topology is as follows-R1-PIX-R2R1 config-interface Loopback 0 ip address 192.168.1.1 255.255.255.0!interface fastethernet 0/0 ip address 10.1.1.1 255.255.255.0!ip route 0.0.0.0 0.0.0.0 10.1.1.2!R2 config-interf...