I have 3020 vpn concentrator with 4.x IOS. I am not able to acces this concentrator on its publich IP. I have enable the publich management access, webvpn access. I have even so mnay times disable and enable the public interface, reboot the concentrator but still not able to access it via public IP address. I am getting page cant disaply error.
on my second office my concentrator is working fine and there is no issue in access this concentrator via its publich IP address.
Please help me out how to solve this problem.