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)

  • From: Niels Bakker
  • Date: Thu May 08 18:44:42 2008

* 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