Cisco VPN Client -> network hang or system lock

Discussion in 'Linux Networking' started by Kevin the Drummer, Nov 8, 2006.

  1. A number of people in USENET suspected that this was hardware,
    and I never did manage to find any hardware troubles. I've since
    discovered that this problem ONLY occurs if I happen to have the
    Cisco IPSec VPN client running at the time. I'm running client

    I've since tried the Cisco client on a dual-core Athlon machine
    running a 10/100/Gigabit Ethernet VIA VT6122 on-board ethernet
    adapter in an ABIT AV8 3rd-Eye motherboard. This system is
    running Mandriva 2006.0, Christmas Club edition, with a security
    upgraded kernel to version 2.6.12-27mdk. While this system never
    locks up hard, the network service will die, and traffic to/from
    everywhere is disabled. Restarting the "network" service brings
    this system back to usable. There are no suspicious messages in
    /var/log/syslog nor /var/log/messages.

    In both cases the badness occurs in the event of heavy network
    traffic, e.g. copying a 50MB file to or from a machine.

    Has anyone run into something like this? How about how to fix
    it or work around it?

    Kevin the Drummer, Nov 8, 2006
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  2. Kevin the Drummer

    Chris Hunter Guest

    I had a similar problem years ago - it turned out to be a memory issue: I
    was using kget, and the machine was running out of memory. It appeared
    that the downloaded file was being saved to a temporary file /in/ /memory/
    before being copied to disc. It only happened with /really/ big downloads
    (like ISO images): more memory and an OS upgrade fixed the problem
    entirely! You might want to check what's going on with *top.*

    Chris Hunter, Nov 8, 2006
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