[84136] in North American Network Operators' Group

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Re: Any issue with www.cisco.com

daemon@ATHENA.MIT.EDU (Bruce Pinsky)
Tue Sep 6 13:34:43 2005

Date: Tue, 06 Sep 2005 10:33:58 -0700
From: Bruce Pinsky <bep@whack.org>
Reply-To: bep@whack.org
To: Chip Mefford <cpm@well.com>
Cc: Gerry Boudreaux <gerry@intersurf.com>,
	Hyunseog Ryu <r.hyunseog@ieee.org>, nanog@nanog.org
In-Reply-To: <431DC569.70501@well.com>
Errors-To: owner-nanog@merit.edu


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Chip Mefford wrote:
> Gerry Boudreaux wrote:
> 
>>>mtr shows the packet loss in the last hop for me:
>>>
>>>14. sjck-dmzbb-gw1.cisco.com                                             0.0%    62   66.6  75.4  64.5 293.7  37.1
>>>15. sjck-dmzdc-gw2.cisco.com                                             0.0%    62   62.5  65.4  59.2 155.4  13.1
>>>16. www.cisco.com                                                       14.8%    62   59.2  64.7  58.1  88.4   7.2
> 
> 
> I'm seeing roughly ~25 percent packet loss, it varies.
> 

If you are relying on ping and traceroute tests to measure packet loss,
then you are coming to false conclusions.

ICMP responses are throttled by many, many devices including routers, load
balancers, firewalls, IPS devices, etc, etc.

- --
=========
bep

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