Date: Tue, 5 Dec 2017 02:44:31 +0200 (EET) From: yar <yaroslav@shvets.name> To: =?UTF-8?Q?Olivier_Cochard-Labb=C3=A9?= <olivier@freebsd.org> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Bidirectional Forwarding Detection Message-ID: <alpine.BSF.2.20.1712050242320.14937@tj1.negpncvgny.hn> In-Reply-To: <CA%2Bq%2BTcqx6z0L=zP-nMtSPjc9rwA5YPh6RuciDz4-aTFpjjGk1A@mail.gmail.com> References: <alpine.BSF.2.20.1712041448410.82959@tj1.negpncvgny.hn> <CA%2Bq%2BTcqx6z0L=zP-nMtSPjc9rwA5YPh6RuciDz4-aTFpjjGk1A@mail.gmail.com>
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Hello Olivier. Thanks for the detailed answer. I meant something like this: https://www.bsdcan.org/2016/schedule/events/667.en.html https://www.bsdcan.org/2016/schedule/attachments/358_bsdcan2016-bfd.pdf On Mon, 4 Dec 2017, 15:41, you wrote: > On Mon, Dec 4, 2017 at 1:53 PM, yar <yaroslav@shvets.name> wrote: > >> Hello All. >> >> Does FreeBSD support BFD (Bidirectional Forwarding Detection)? >> rfc5880, rfc5881 > > > ​Hi, > > BFD is supported (ie: not filtered) by FreeBSD: you just need to use a BFD > daemon software. > > If your question was "Does FreeBSD includes a BFD daemon into base?", the > answer is no. > > Main usage of BFD is to detect network failure between routing peers and > give this information to the routing protocol​. > As example, once an OSPF process detect new neighbours, it will sent their > IP addresses to the BFD process: > Once received, the BFD process will monitor the reachability of these > neighbours and will communicate back to the OSPF process if they are not > reachable. > > But I'm not aware of a standard way for an "independent" bfd daemon to > communicate between all the routing softwares (bird, FRR, quagga, etc.): > This is why they includes their own BFD daemon (like bird). > > Regards, > > Olivier > -- yar
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