Date: Tue, 18 Feb 2020 21:47:19 -0700 From: "@lbutlr" <kremels@kreme.com> To: FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Switching to backup Network Message-ID: <44376A6C-558A-4399-A64E-4007612997B4@kreme.com> In-Reply-To: <64F39D12-E061-4726-B58E-943D61963944@mail.sermon-archive.info> References: <64F39D12-E061-4726-B58E-943D61963944@mail.sermon-archive.info>
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On 18 Feb 2020, at 13:19, Doug Hardie <bc979@lafn.org> wrote: > One of my clients has a machine running 12.1 that is connected via two = different NICs to two different WANs. He has drops from 2 different = ISPs to provide redundancy. I have configured each of the DNS names with = both IP addresses so that web access will switch over to the backup when = the primary is down. Setfib and pf are used to make that work. That = works fine (although there is a DNS timeout involved). The problem is = that all the servers on the machine talk out via the primary IP address. = While web access continues, the server initiated functions fail because = the next hop is down. Is there a way to switch everything over to the = backup network in this case? I don't find anything that enables = automatic changes to the default network. When we had dual drops, we had a router/switch that managed the link = bonding, including routing when one connection went down. This seems the = best way to do this, but then again we had multiple machines. --=20 "Are you pondering what I'm pondering?" "I think so, Brain, but instant karma's always so lumpy.=E2=80=9D
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