Date: Fri, 16 Jun 2023 10:24:28 +0000 From: Benoit Chesneau <benoitc@enki-multimedia.eu> To: Stephane Rochoy <stephane.rochoy@stormshield.eu> Cc: "freebsd-net@FreeBSD.org" <freebsd-net@freebsd.org> Subject: Re: issue with bird next hop Message-ID: <vq-7ZQ1IZxvjquZ8gj_DYVCstTufhyNag7OyccbYhh6OYTLFqiTm_a4GWl5-CyfQTokbh4G-5RtTYHWCLKO5WyS5MwQhRJPqrnIvqvMllSE=@enki-multimedia.eu> In-Reply-To: <YUj84gY-b0nzaELgjE3WWUeIZf6XK9vUfkb4C0eSKqMD6BcMp0TLsfucpMFr4GnVCs6EqZmzIN-o2Mm6m4ElsYtX8zTrPt6fZeUdqr_C2W0=@enki-multimedia.eu> References: <QRbSWYGTM99jGJemsToTF2OCsoIQ1HoGLKHDscNWl3H5w3xtOoJNf5mCjfsblO2e8p6jNZcTpVUWKe1g5JD3Slv-1mKxSRQoGhJO_tMO8WU=@enki-multimedia.eu> <86wn05hs9v.fsf@cthulhu.stephaner.labo.int> <1sE_u2MbHLU_bqWuLFwC5a0K8HeACVoCjWVPEDRZJ5KmD_Y-eG5OIVsWN9vBFV0Q6isWtc3-Z410kCBMRZhsFQUBNLoBYsIWGQ3kz0VaXXs=@enki-multimedia.eu> <86v8foj3rn.fsf@cthulhu.stephaner.labo.int> <YUj84gY-b0nzaELgjE3WWUeIZf6XK9vUfkb4C0eSKqMD6BcMp0TLsfucpMFr4GnVCs6EqZmzIN-o2Mm6m4ElsYtX8zTrPt6fZeUdqr_C2W0=@enki-multimedia.eu>
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After doing more testing onf Freebsd 13.2 , bird 2.13: When 1.1.1.1/31 and 1.1.1.2/31 are set on the vlan interface, bird correc= tly announce them as the next hop. However when 1.1.1.1/32 and 1.1.1.2/32 are set on the loopback interface o= f each instances then the local ip address of the vlan is used. However when 1.1.1.1/31 and 1.1.1.2/31 are set on the loopback interface o= f each instances then nothing happen. On each nodes 1.1.1.1/31 and 1.1.1.= 2/31 resolve to the loopback interface instead of the remote node. Is the behaviour expected ? Beno=C3=AEt ------- Original Message ------- On Thursday, June 15th, 2023 at 14:48, Benoit Chesneau <benoitc@enki-multim= edia.eu> wrote: > I see. This may indeed be related... >=20 > The current route is learnt using OSPF. This is weird to not have it usin= g the source address configured in bird though:/ >=20 > Beno=C3=AEt Chesneau, Enki Multimedia > =E2=80=94 > t. +33608655490 >=20 > Sent with Proton Mail secure email. >=20 > ------- Original Message ------- > On Thursday, June 15th, 2023 at 14:42, Stephane Rochoy stephane.rochoy@st= ormshield.eu wrote: >=20 >=20 >=20 > > Benoit Chesneau benoitc@enki-multimedia.eu writes: > >=20 > > > Thanks for the hint. Unfortunately when I am setting it to /30 > > > the machine stop to be advertised :/ Most probably because /30 > > > will be routed locally? > > >=20 > > > Why would setting it to /30 fix the issue ? What does it solves > > > when we do it? > >=20 > > I just reacted to the fact that, IMHO, `route get` is correct when > > responding that 1.1.1.2 is not reachable via lo1. > >=20 > > Regards, > > -- > > St=C3=A9phane Rochoy > > O: Stormshield
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