Date: Tue, 28 Feb 2017 09:54:48 +0100 From: Julien Cigar <julien@perdition.city> To: Freddie Cash <fjwcash@gmail.com> Cc: freebsd-net <freebsd-net@freebsd.org> Subject: Re: VLAN + CARP ? Message-ID: <20170228085447.GK6194@mordor.lan> In-Reply-To: <CAOjFWZ72mVmxw-4q=5dOwUYMcxfeK4qg0ipO79tuTc4wu6vZLA@mail.gmail.com> References: <20170227231626.GJ6194@mordor.lan> <CAOjFWZ72mVmxw-4q=5dOwUYMcxfeK4qg0ipO79tuTc4wu6vZLA@mail.gmail.com>
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[-- Attachment #1 --] On Mon, Feb 27, 2017 at 03:37:14PM -0800, Freddie Cash wrote: > On Mon, Feb 27, 2017 at 3:16 PM, Julien Cigar <julien@perdition.city> wrote: > > > > I wondered if it is possible to use CARP with VLAN interfaces? > > > > Yes, CARP-over-vLAN works well. Used just such a setup at work for a > couple years. > > Would something like this work (on 10.3)..?: > > > > = /etc/rc.conf ============ > > > > vlans_em0="neta netb" > > create_args_neta="vlan 101" > > create_args_netb="vlan 102" > > > > ifconfig_em0_neta="inet 192.168.1.253/24" > > ifconfig_em0_netb="inet 10.209.1.253/24" > > > > ifconfig_em0_neta_alias0="inet vhid 3 advskew 10 pass xx alias > > 192.168.2.254/32" > > ifconfig_em0_netb_alias0="inet vhid 4 advskew 10 pass xx alias > > 10.209.1.254/32" > > > > =========================== > > > > This is the setup we used (snipped for brevity): > > # em2 is the 3rd NIC port from the top of the quad-port NIC > ifconfig_em2="up" > vlans_em2="vlan110 vlan2000 vlan1000 vlan1010 vlan1110" > > create_args_vlan1000="vlan 1000" > ifconfig_vlan1000="vhid 9 pass nxsp4ss > 1 > advskew 128 10.1.0.1/16" > > create_args_vlan2000="vlan 2000" > ifconfig_vlan2000="vhid 20 pass nxsp4ss2 advskew 128 12.24.13.97/27" > > create_args_vlan1010="vlan 1010" > ifconfig_vlan1010="vhid 21 pass nxsp4ss > 3 > advskew 128 12.24.12.129/26" > > create_args_vlan1110="vlan 1110" > ifconfig_vlan1110="vhid 11 pass nxsp4ss > 4 > advskew 128 12.24.10.1/26" > > em2 had no IPs associated with it, it was just the physical interface that > the vlans and carp traffic went over. We also only had a single subnet per > vlan, so only a single IP per carp instance on each vlan. But you can do > multiples using the alias syntax like you have. excellent, this is exactly what I need, thanks! > > -- > Freddie Cash > fjwcash@gmail.com -- Julien Cigar Belgian Biodiversity Platform (http://www.biodiversity.be) PGP fingerprint: EEF9 F697 4B68 D275 7B11 6A25 B2BB 3710 A204 23C0 No trees were killed in the creation of this message. However, many electrons were terribly inconvenienced. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE7vn2l0to0nV7EWolsrs3EKIEI8AFAli1OtQACgkQsrs3EKIE I8DoTxAAsPt/6DEPaXy+JevrWCZImudJbhRYyt3hV8pEuGoNpmrKdmgCoD9o71na k91uBmUQflognd468V/PkqKWmwM7RSr9vC/jiTi2FzRYLZ2EHMRMT+LKDhHRGhYB aAoSJ+EHjxDPyh3pYfb+w6zlW164tKngyCYL975t+oZu6PvFr00P3bgvZ/c/5g36 1CTALaowUdUIiOLbMd35W9UfEUXBf0NsN9I94J4Yvl5zcD3WAP4DSDUIeCwHkFv6 sMAHwDtMKwLYpj7Nqjk/w6i9i3UMVGmq1/CQwssCveOGDk7/auItRUAoK2jVbHCZ +lmvH5cx30HrobjL7S0pvg09t/T/OZIC9HOmLZWpO4E2i2CnBxyiGQTaMvKXm3eF CXDtLuKNZi+iZkvGANrbCXQMXdhF1RlDIu3Y0gUiUs5qN3Ou5F/YOKK/dDIcPtYm S6KP2Uobjg1DeBzcjrP8tdvwGLHRiqDkEicZvhhtEwkUFLLrmdMvlqNUl0yJTEDY ykCSMWYHKhf67MIivOA3BvsO/3s1ndq0drbKq3S+qkqTEFae1iO1cX+hNUP0dMuO 9FHQD0D8wGyFQpcFtWc2qm4P9xVPTRr8hTAchlKn44gVdICyMqiZBOfY4l78WouV eofVHdvOLcHah1iykVBxkBnYG2y2tZwU+TBGy+hFnBLHftZPSLo= =tBfI -----END PGP SIGNATURE-----
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