[33929] in North American Network Operators' Group
Re: What is going on in the PAC NW (Microsoft Outage)
daemon@ATHENA.MIT.EDU (Hank Nussbacher)
Thu Jan 25 07:53:48 2001
Message-Id: <4.3.2.7.2.20010125144506.00ace480@max.ibm.net.il>
Date: Thu, 25 Jan 2001 14:49:16 +0200
To: "Tony Rall" <trall@almaden.ibm.com>, SMcGrath@dhhs.state.nh.us
From: Hank Nussbacher <hank@att.net.il>
Cc: nanog@merit.edu
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At 11:35 24/01/01 -0800, Tony Rall wrote:
> >Is there any information available about Microsoft and MS related
>companies
> >being unavailable
>
>I'm seeing about 50% packet loss to all 4 microsoft.com nameservers. I
>can't get any dns responses from them.
The following is all hypothesis:
Reading the MS announcement that says "At 6:30 last night, a configuration
change was made by a Microsoft technician to the routers on the edge of
Microsoft's DNS network", and adding in the 50% packet loss you list above,
it looks like the MS technician installed some sort of Cisco TCP/UDP
rate-limit on some interface along the data path.
-Hank
