[xymon] Brief red alarms

White, Bruce bewhite at fellowes.com
Wed Nov 24 17:01:43 CET 2010

I have seen this kind of behavior when a single bad route keeps getting reintroduced to the network routers (generally from a single router).   When the bad route hits the router the ping attempts it return route on, the ping fails.

Just a thought on something might check into.


 Bruce White
 Senior Enterprise Systems Engineer | Phone: 630-671-5169 | Fax: 630-893-1648 | bewhite at fellowes.com | http://www.fellowes.com/
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-----Original Message-----
From: Jaime Kikpole [mailto:jkikpole at cairodurham.org] 
Sent: Tuesday, November 23, 2010 10:25 AM
To: xymon at xymon.com
Subject: Re: [xymon] Brief red alarms

On Thu, Nov 18, 2010 at 1:45 PM, Tim McCloskey <tm at freedom.com> wrote:
> If the network is fine then the next question is this a xymon install that worked before the new IP's etc....?
> Or is this a brand new install?  If it is new, and the network is fine, try reducing the INTERVAL to
> something like 5 minutes are let it cook for a day or so.

Its an existing install.  We changed the IPs and all the switches.  In
theory, the bandwidth for all links is the same or higher than before.
 100Mbps to 10Gbps, depending on the link.  This behavior started
after the changes, though.

For what its worth, we have been using "INTERVAL 5m" in the bbnet
section of hobbitlaunch.cfg since I first installed Xymon.

Any thoughts?


Network Administrator
Cairo-Durham Central School District

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