Hanging VPN sessions - HELP

Discussion in 'Cisco' started by Nick Gorham, Jul 22, 2003.

  1. Nick Gorham

    Nick Gorham Guest


    I hope someone out there has seen this and knows of a fix,

    I have a Cisco 837 (12.2(8)YN), talking to a PIX515e (6.3), the VPN
    connection is working fine, apart from now and then it seem that a tcp
    connection is failing, if (for example) I start a FTP of a large file
    the transfer will just stop. The VPN is still up, and I can telnet into
    the remore machine again. In fact sometimes telnetting in on another
    session will restart the "hung" transfer. If I leave a ping going that
    stops as well, until a new tcp connection comes in when it seems to wake up.

    I have tried to turn on debugging in the PIX, and packet debugging shows
    the connection seems to be in place as far as the PIX is concerned.

    What should I try to work out whats wrong, or is this something someone
    else has seen ?
    Nick Gorham, Jul 22, 2003
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