Date: Sun, 18 Mar 2018 10:53:07 +0100 (CET) From: sthaug@nethelp.no To: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> Cc: "Alexander V. Chernikov" <melifaro@ipfw.ru>, freebsd-net@freebsd.org Subject: Re: Does FreeBSD do proactive ARP refresh? Message-ID: <20180318.105307.74674158.sthaug@nethelp.no> In-Reply-To: <201803180938.w2I9cvJs006183@pdx.rh.CN85.dnsmgr.net> References: <3023141521364867@web33j.yandex.ru> <201803180938.w2I9cvJs006183@pdx.rh.CN85.dnsmgr.net>
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> > Side note: if one has monitoring which does ICMP checks, it will mask the issue because icmp replies don't use route caching. > > Typical story when the observer changes the state of an observed object :-). > > Also perhaps why it has not been reported before, as other side effects > have caused it to be a pretty invisible issue. The reason I discovered this is because I was running longer (1 hour or more) iperf3 sessions, and I got some small but regular packet loss that I couldn't remember having seen before. Which may be because my previous longer iperf3 sessions had been with FreeBSD 9.3-STABLE. Steinar Haug, Nethelp consulting, sthaug@nethelp.no
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