Ian McShane » Cisco VPN http://www.ianmcshane.org All my stuff in one place Wed, 26 Jan 2011 04:20:25 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 Cisco VPN Client on OSX http://www.ianmcshane.org/2008/03/18/cisco-vpn-client-on-osx/ http://www.ianmcshane.org/2008/03/18/cisco-vpn-client-on-osx/#comments Tue, 18 Mar 2008 12:06:54 +0000 Ian http://blog.maccarocks.com/2008/03/18/cisco-vpn-client-on-osx/
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    • ]]>     I’ve had a few problems with the Cisco VPN Client for Mac OS X  (release 4.9.01 (100) ) recently.
    I’d get intermittent “Error 51: Unable to contact the VPN subsystem” when opening the VPNClient appliaction.
    Some times a reboot would fix it, sometimes it wouldn’t.
    I can’t reliably reproduce it either, sometimes coming out of sleep breaks it, sometimes restarting breaks it.

    I think I’ve worked out how to resolve this now from a command line:

    Firstly take the fw0 interface down and bring it up again:
    Sudo ifconfig fw0 down
    Sudo ifconfig fw0 up

    Then restart the VPN SS:
    Sudo /System/Library/StartupItems/CiscoVPN/CiscoVPN restart

    That has resolved it for me the last 5 times it happened, without needing to reboot again.

    Hope that helps someone else out.

    Related posts:

    1. Reseting the LogMeIn client remotely
    2. VMWare Fusion and network bridging
    3. RadRails – Unable to detect ruby install on OS X Leopard

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