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Date:      Sun, 20 Jul 2025 00:20:07 +0200
From:      =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@FreeBSD.org>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        qroxana <qroxana@protonmail.com>,  Lexi Winter <ivy@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Subject:   Re: epair(4)
Message-ID:  <86ms8zbz6w.fsf@ltc.des.dev>
In-Reply-To: <CAJ-VmokvfuPUkXHWjc4SeU9JuiPvE-=_ff6S5FwVMWQ=v0GMnw@mail.gmail.com> (Adrian Chadd's message of "Sat, 19 Jul 2025 11:10:31 -0700")
References:  <20250515162552.9209B20E@slippy.cwsent.com> <20250515185919.87008219@slippy.cwsent.com> <45d0f49d-229b-46b4-af95-6e8c4c856661@plan-b.pwste.edu.pl> <aCeXdxeeWQs_Sz77@ragweed.eden.le-fay.org> <932111f8-f5ca-46d1-9f66-983f80f6116b@protected-networks.net> <aCeeSQY-fMH7l3XS@ragweed.eden.le-fay.org> <aC5sfOtgG79EwIUZ@int21h> <8DCF0DAB-5EE5-4FEF-8CCC-1D7AF971BA8C@hausen.com> <aC-F7jAvS4so01jn@int21h> <kwPh8Ri_hyqUbykx8ICzBR9Fo4WROJqXrmNTEpS4WAM8ezvniLErlqWmHLtMNaHEcE_A716D26Wxfzpshs3M1R3Ifa2ltSRhC4tM8Ijdw_o=@protonmail.com> <CAJ-VmokvfuPUkXHWjc4SeU9JuiPvE-=_ff6S5FwVMWQ=v0GMnw@mail.gmail.com>

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Adrian Chadd <adrian@freebsd.org> writes:
> qroxana <qroxana@protonmail.com> writes:
> > What's the best practice for setting up bridge0 on a NFS root
> > system?  [...]
> That's an interesting problem that I don't think was even thought
> about when bridge(4) was added to FreeBSD.  [...] I /think/ the tftp
> boot path configures the interface addressing via kernel APIs, and
> we'll need to undo it and flip it to a bridge.

This is not the only scenario where you might want to add a bridge to a
configured system.  I think it would be useful to have a setting that
causes all of an interface's addresses and routes to be moved to the
bridge when the interface is added to it.

DES
-- 
Dag-Erling Smørgrav - des@FreeBSD.org


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