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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: [NANOG] Microsoft.com PMTUD black hole? (working with Microsoft on issues)
* netgeek@xxxxxxxx (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@xxxxxxxxx http://mailman.nanog.org/mailman/listinfo/nanog
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