PPTP VPN problem

Discussion in 'Cisco' started by Dev, Mar 17, 2005.

  1. Dev

    Dev Guest

    Hi, I am configuring a Cisco 3005 VPN concentrator for PPTP vpn for my
    users. The users are behind a Microsoft ISA 2000 firewall which is
    doing NAT overloading. The problem is only one user can connect the VPN
    box at a time. If the second user try to connect the concentrator
    generates a log like "access denied: connection already estabshiled
    with the remote peer (remote IP)".

    Here is the network diagram

    Users ----> ISA server (NAT overloading) ----> Concentrator.

    All users are using Micosoft DUN for their PPTP connection.
    How can I fix this problem????

    ~/Dev
     
    Dev, Mar 17, 2005
    #1
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