Prev-20 Home Next-20 1 msg BGP issues qwest in Burbank, CA 1 msg Looking for Yahoo-SOC contact 1 msg Cachefly Contact 2 msg auth*.ns.uu.net 1 msg auth00/auth100.ns.uu.net down ? 3 msg PCH BGP Archive down? 1 msg Looking for Flickr contacts 2 msg Charter - Southern Oregon routing issues 1 msg Google Contact 1 msg Bob Crooks/SaskTel/CA is out of the office. Microsoft.com PMTUD black hole? \ Nathan Anderson/FSR (6 May 2008) . \ Brandon Butterworth (6 May 2008) . . \ Iljitsch van Beijnum (6 May 2008) . . . \ Nathan Anderson/FSR (6 May 2008) . . . . \ Nathan Anderson/FSR (6 May 2008) . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . \ Bjørn Mork (7 May 2008) . . \ Nathan Anderson/FSR (6 May 2008) . \ Robert Bonomi (6 May 2008) . . \ Tomas L. Byrnes (7 May 2008) . . . \ Marshall Eubanks (7 May 2008) . . . \ Nathan Anderson/FSR (7 May 2008) . . \ Nathan Anderson/FSR (7 May 2008) . . . \ Randy Bush (7 May 2008) . . . \ Glen Turner (7 May 2008) . . . . \ Mark Newton (7 May 2008) . . . . \ Patrick Giagnocavo (7 May 2008) . . . \ Rich Kulawiec (7 May 2008) . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . \ Michael Sinatra (7 May 2008) . . . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . . . \ Iljitsch van Beijnum (7 May 2008) . . . . . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . \ Tomas L. Byrnes (7 May 2008) . . . . . . . . \ Nathan Anderson/FSR (7 May 2008) . . . . . . . \ Bjørn Mork (8 May 2008) . . . . . . . . \ Joel Jaeggli (8 May 2008) . . . . . . . . . \ Iljitsch van Beijnum (8 May 2008) . . . . . . . . . . \ Smith, Donald (8 May 2008) . . . . . . \ Hank Nussbacher (8 May 2008) . . . . . \ Deepak Jain (7 May 2008) . . . . . . \ SML (7 May 2008) . . . . . . \ Tony Finch (8 May 2008) . . . . . . . \ Blaine Christian (8 May 2008) . . . . . \ Mark Smith (17 May 2008) . . . . . . \ Mark Smith (17 May 2008) . . \ Stephen Sprunk (7 May 2008) . \ Iljitsch van Beijnum (7 May 2008) . \ Nathan Anderson/FSR (7 May 2008) . . \ Tomas L. Byrnes (7 May 2008) . . . \ Nathan Anderson/FSR (7 May 2008) . . . \ Matthew Petach (12 May 2008) . \ Michael Sinatra (7 May 2008) . \ Scott Weeks (8 May 2008) . \ Janet Sullivan (8 May 2008) . . \ Niels Bakker (8 May 2008) 4 msg Strange network behaviour 1 msg Was Burma off the air due to the Cyclone ? 17 msg OSPF minutia, and, technote publication venues 2 msg Deadline Extension UBICOMM 2008, September 29 -... 1 msg [Fwd: Re: outages] 2 msg outages 21 msg Did Youtube not pay their domain bill? 9 msg Introducing latency for testing? 33 msg fair warning: less than 1000 days left to IPv4 ... Prev-20 Home Next-20

Prev-Msg Prev-Thread Nanog May-2008 Next-Thread Next-Msg Subject: Re: Microsoft.com PMTUD black hole? (working with Microsofton issues) Group: Nanog From: Niels Bakker Date: 8 May 2008 * netgeek (Janet Sullivan) [Thu 08 May 2008, 23:35 CEST]: >1) Yes, Microsoft blocks ICMP for the most part, which will break Path >MTU Discovery. This is a known issue. If you run into it, its most >likely because the servers you are trying to talk to in MS-land don't >have black hole router detection turned on. I find it hilarious that one part of the company had to come up with a hack to work around the inability of another part of the company to understand how TCP/IP works -- Niels. -- _______________________________________________ NANOG mailing list NANOG http://mailman.nanog.org/mailman/listinfo/nanog Prev-Msg Prev-Thread Nanog May-2008 Next-Thread Next-Msg

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