Date: Mon, 30 Jul 2018 17:54:30 +0200 From: Tobias Urdin <tobias.urdin@binero.se> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Cc: Eugene Grosbein <eugen@grosbein.net> Subject: Re: ospf redistribute into openbgpd overwrites directly connected routes Message-ID: <3682ba47-ac57-3333-1f6e-4638f00bb892@binero.se> In-Reply-To: <5B5F2938.5090103@grosbein.net> References: <9507d752-6815-92fe-924b-55459710bb9d@binero.se> <5B5F2938.5090103@grosbein.net>
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On 07/30/2018 05:08 PM, Eugene Grosbein wrote: > 30.07.2018 21:06, Tobias Urdin wrote: > >> I have a setup where we connect a OSPF area with a edge router, this edge router then has a BGP peer to my router >> where it redistributes all OSPF routes into the BGP feed to my router. >> >> My router is running FreeBSD 11.1 with openbgpd >> >> root@myrouter:~ # uname -a >> FreeBSD dr20-1-sto1 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r321309: Fri Jul 21 02:08:28 UTC 2017 root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 >> >> root@myrouter:~ # pkg info openbgpd >> openbgpd-5.2.20121209_2 >> Name : openbgpd >> Version : 5.2.20121209_2 >> >> The thing here is that my router has layer 2 access directly to one of the networks that the edge router BGP announces to my router (172.20.104.0/22). >> When my FreeBSD machine boots it will install a directly connected route for 172.20.104.0/22 in my routing table but as soon as openbgpd starts it will >> install a 172.20.104.0/22 route with the nexthop of the edge router instead. >> >> How can I prevent openbgpd from overwriting the directly connected route? >> Directly connected networks should never be overwritten by a routing protocol but I suspect this is because of the redistribute. >> >> I've tried messing with metrics, but maybe I to create a rtable and mess around with that? > This problem was fixed in 11.2-RELEASE, just upgrade and you will be fine. > > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > Oh, that's great. Thanks!
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