Date: Mon, 19 Mar 2018 12:30:58 +0100 (CET) From: sthaug@nethelp.no To: Alexander V. Chernikov <melifaro@ipfw.ru> Cc: freebsd-net@freebsd.org Subject: Re: Does FreeBSD do proactive ARP refresh? Message-ID: <20180319.123058.74660594.sthaug@nethelp.no> In-Reply-To: <14964521521306770@web10o.yandex.ru> References: <20180316.122720.71152047.sthaug@nethelp.no> <20180316.124748.104098359.sthaug@nethelp.no> <14964521521306770@web10o.yandex.ru>
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> >> =A0And thank you for that suggestion! The packet loss during ARP r= efresh > >> =A0(of the destination address connected to the output interface) = does > >> =A0*not* happen when the box is forwarding! It only happens with l= ocally > >> =A0generated traffic. > Should be fixed by r331098. I can confirm that 12.0-CURRENT with the r331098 updates fixes this problem for me for locally generated traffic. The ARP entry seems to be refreshed around 4 seconds before expiry, and there is no packet loss. Transit traffic (non locally generated) also works as before, the ARP entry is refreshed before expiry and there is no packet loss. Thanks for the quick fix! Now waiting for the MFC :-) Steinar Haug, Nethelp consulting, sthaug@nethelp.no
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