Thanks Eugene.  Yes we are using a F5 BigIP and the network admins claim
they have it working on the message level.   My experience is the same as
yours: we are getting message sequence number problems.

> -----Original Message-----
> From: eugene rosenberg [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, September 17, 2003 7:43 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Losing Message Sequence Number Sync
>
>
> If you are talking about F5 BigIP, I used them in MQ
> network. But you cannot use them for load balancing on
> the message level since you will experience channel
> sequence number problems. However, they can be used to
> load balance on the connection level. Each channel
> connection can be considered as TCP session and all
> messages within the session should go to the same
> queue manager.
>
> Eugene Rosenberg
>
> --- Bob Kasischke <[EMAIL PROTECTED] wrote:
> > Our site is using a "F5 Load Balancer" in our network.
> >
> > Using this box we are able to setup up identical, duplicate Queue
Managers
> > on two Unix servers.  The F5 will load balance work between the
> > queue managers.
> >
> > The problem is we lose message sequence number
> > synchronization when the F5 switches between unix boxes for some
versions of
> > MQSeries but it is not a problem when using V5.3 on IBM
> > mainframes.
> >
> > Does anybody know what I am talking about?  If so
> > then how does the mainframe maintain sync?
> >
> >
> >
> > Robert S. Kasischke
> > 415-243-6975
> >
> >
> >
>
>
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