I have the following scenario:Host1-Firewall1-VPNRouter1-(IPSEC TUNNEL)-VPNRouter2-Firewall2-Host2Firewall1 is a non IOS non PIXVPNRouter1 is IOSVPNRouter2 is IOSFirewall2 is PIXFirewall1 is NAT'ing 1-1 the address of Host1. VPNRouter1 is NAt'ing bot...