Date: Sun, 16 Oct 2022 10:49:43 +0200 (CEST) From: Wojciech Puchar <wojtek@puchar.net> To: Jason Bacon <bacon4000@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: is this FreeBSD problem or HP switch Message-ID: <de4ed1c-cd15-1c3a-178e-80f96f150e9@puchar.net> In-Reply-To: <d3cc46e7-3b5a-390f-a837-a3989eefc5dc@gmail.com> References: <586238fe-a9f-94b5-65b6-bc505551e9fb@puchar.net> <d3cc46e7-3b5a-390f-a837-a3989eefc5dc@gmail.com>
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>> > > I saw an issue some years ago where one of my FreeBSD servers was > overwhelming a Cisco switch while pushing files out to HTCondor nodes, > causing it to drop packets. Our networks guru confirmed the problem by > monitoring the switch. Since no handshaking was possible, I worked around it > by throttling the interface on the FreeBSD box, using ipfw if I recall > correctly. > There is zero packet loss, just completely variable delays that make normal work hard. up to 1000ms
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