I use cisco vpn client ver 4.6 in win XP and try to connect to VPN gateway that have public IP. My computer is connected by direct cable to a router .And this router is connected to internet by PPPoE . I use Cisco VPN client ver 4.6 and try to connect VPN gateway . But It is failure.The error is 412. But if the same computer connect to internet by PPPoE directly and the VPN client can connect the same VPN gateway without problem .
Why do I cannot connect VPN gateway when there is router . How can I fix it ??? Please advice .
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