Date: Sat, 25 Aug 2018 12:17:01 +0200 (CEST) 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: <20180825.121701.146601904.sthaug@nethelp.no> In-Reply-To: <20180706.002623.74678174.sthaug@nethelp.no> References: <14964521521306770@web10o.yandex.ru> <20180319.123058.74660594.sthaug@nethelp.no> <20180706.002623.74678174.sthaug@nethelp.no>
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>> > >> =A0And thank you for that suggestion! The packet loss during AR= P refresh >> > >> =A0(of the destination address connected to the output interfac= e) does >> > >> =A0*not* happen when the box is forwarding! It only happens wit= h locally >> > >> =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 AR= P >> entry is refreshed before expiry and there is no packet loss. >> = >> Thanks for the quick fix! Now waiting for the MFC :-) > = > Looks like the r331098 fix hasn't been MFCed. With 11.2 released, > could we have MFC of r331098, please? I see that r331098 has been MFC'ed. Thank you! Steinar Haug, Nethelp consulting, sthaug@nethelp.no
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