i am currently implementing a simple connection to isp. the isp assigns dynamic ip and i want to perform nat inside to 192.168... it is a peer to peer network. the router is a 1605r isdn with vers 11.1(5) ios. will i need to upgrade.
No..You do not need to upgrade...Using "easy ip" You can use that dynamic ip provided by isp and perform NAT on it for inside user..Here is the place which discuss that design..
