[Xymon] little explanation of conn test.

[McDonald, Daniel (Dan)]

From: Xymon <xymon-bounces at xymon.com<mailto:xymon-bounces at xymon.com>> on behalf of Randall Badilla Castro <rbadilla at grupocesa.com<mailto:rbadilla at grupocesa.com>>
Organization: GrupoCESA
Date: Monday, January 25, 2016 at 3:13 PM
To: Xymon-users <xymon at xymon.com<mailto:xymon at xymon.com>>
Subject: [Xymon] little explanation of conn test.

Hi guys:
We are getting this graph from a webserver and the boos want a deeper explanation of it.
[cid:part1.05000607.04090501 at grupocesa.com]


Ping response times mean almost nothing.  Most O/S will rate-limit ping response, so maybe something else was pinging it at the same time.  Or you may have had some other sort of resource constraint on the server.  But network time moving from 500µ to 20ms?  Unless your packets suddenly decided to route an extra 60km, there is nothing in a network that would consume 20ms


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