Re: [load balancing] Anyone having/had issues with spontaneous failover on a CSS 11150 with 2 Gigabit ports?

From: David Santeramo (dsanteramoIZZATyahoo.com)
Date: Tue Jan 21 2003 - 20:20:15 EST

  • Next message: Jeff Lawson: "Re: [load balancing] Anyone having/had issues with spontaneous failover on a CSS 11150 with 2 Gigabit ports?"

    Do you have multiple VRs on the same box? I had a
    issue where the third VR was causing the CSS to
    failover and back again.

    We removed the third VR and everything has been fine
    since.

    --- "C. Jeff Lawson" <jlawsonIZZATlightsurf.com> wrote:
    > All,
    >
    > Hopefully someone has already seen this one, but I
    > have the following:
    >
    > 2 CSS 11150 (2 GBIC interfaces 1000baseSX) running
    > in failover mode
    >
    > Running 5.00 Build 70
    >
    > Here is what I am seeing:
    >
    > CSS1 will run happily for a while (actually just
    > started failing last
    > week), then suddenly fail over to CSS2 for no
    > apparent reason. Cisco
    > has been baffled by the lack of info in the logs,
    > there is not any
    > reasons given for the failover. After running on
    > the second box for a
    > period of time (varies) there will be a failure back
    > to the first box.
    >
    > We have a single crossover cable (100Mb Ethernet)
    > between the boxes. I
    > have run a sniffer between them (on the redundancy
    > link) and have caught
    > the primary unit not responding for over 1 minute.
    > The VRRP backup
    > timer is set to 20 seconds.
    >
    > I have tried to remove Gigabit Flow control issues
    > by moving the
    > connections over to a 100Mb port, but still are
    > seeing the failures.
    >
    > I just heard from a colleague that he has recently
    > been told of other
    > sites having the same issue... Anyone had this
    > happen??
    >
    > Cisco has issued a replacement unit, but I am not at
    > all confident that
    > our problem will go away.
    >
    > Thanks for your help...
    >
    > --
    > C. Jeff Lawson <jlawsonIZZATlightsurf.com>
    >
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