I recently set up a network in my bosses home that has a Sonicwall TZ170 connected to a Apple TIme Capule/Airport Extreme. The Airport ihas been assigned an address from the Sonicwall but t the Airport is the one ddistributing all of the address from it's own DHCP router. THe Sonicwall is also connected with a VPN into the offsite office. Here's the situation. I can see the firewall and can route through the VPN on machine hanging off the Airport network, but I can't get the firewall to see them.
My guess is that the Airport is blocking outside traffic but allows traffic though the opposite way to the Sonicwall firewall. What settings on the Airport should I set to allow this DHCP routed machines to be seen by the firewall? In a nutshell, Any machine hanging of the Airport can ping the Firewall, but the Sonicwal Firewall can't ping the those machines in return. This I can't connect from the office back any of his network machines. I hope I was clear.