We are NATing the outside source address of the serverA.Our configuration:ServerA (172.23.1.5/24)RouterA (Eth0- 172.23.1.1/24, S0- 172.16.3.2/30)RouterB (S0- 172.16.3.1/30, Eth0- 192.168.27.2/29)Firewall ServerB (198.203.239.66)We can ping and tracer...