[193022] in North American Network Operators' Group

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Re: Cogent NOC

daemon@ATHENA.MIT.EDU (Randy)
Wed Dec 14 17:01:24 2016

X-Original-To: nanog@nanog.org
To: Kurt Kraut <listas@kurtkraut.net>
Date: Wed, 14 Dec 2016 12:04:39 -0800
From: Randy <amps@djlab.com>
Mail-Reply-To: amps@djlab.com
In-Reply-To: <CAPbn28=uiGJX8kOc_NAS0FNMewidHTLcCr10PHezkvEKfYs2cg@mail.gmail.com>
Reply-To: amps@djlab.com
Cc: Nanog <nanog@nanog.org>, main@kurtkraut.net
Errors-To: nanog-bounces@nanog.org

On 12/14/2016 11:53 am, Kurt Kraut wrote:

> Hello, 
> 
> mtr packet loss column has no scientific precision and should not be considered. It is not mtr fault but forwarding routers have a low priority to respond to ICMP requests. The only way you can prove there is a problem is a end to end ping, the regular ping command, not mtr.

(understood, however FYI,) 

Also reproduced the results with pings walking them down the line up to
and including the actual host.   The MTR example provided is simply the
clearest representation of the ping results which show the same. 

~Randy 

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