We have the Server iron xl working as nat router, but we have problems with the vpn sessions from client using public ip address behind the nat server. The topology is the show in the next diagram:
Client ------- C3845 ----- ServerIron-XL ---- C3745 ---- Internet Client, is my custiomer with an public ip address. C3845, router with static nat for another kind of customers. Foundry Server Iron XL, doing dynamic nat, with and ip pool. C3745, is our international gateway. Please let me known If there is a special requirements to make the vpn works behind the nat router. Thanks.
