[quagga-dev 11682] Re: link detect enable
equinox at diac24.net
Wed Oct 29 09:56:19 GMT 2014
No comment on:
> > quagga defaults 0.99.23
> > which would go on top of the configuration and select the set of
> > defaults to be used; if not present it'd be written with the
> > initial version used to create the config, so from then on you keep
> > the defaults of that version.
> > (It's not exactly bound to released versions, maybe we should use a
> > date code, or actually a separate version number.)
It's not actually difficult to do in Quagga, we just need to have it
first thing on top of the config so that it can influence defaults of
objects being created further down the config loading process.
(Flipping it run-time would keep all settings and only affect new
things, which IMHO is actually a nice thing to do.)
On Wed, Oct 29, 2014 at 09:00:52AM +0000, Paul Jakma wrote:
> On Tue, 28 Oct 2014, David Lamparter wrote:
> > (We could already have used that for draft-idr-error-handling in BGP,
> > which is the last big behaviour-changing patch I remember)
> Sure, but that one makes error handling a little bit better.
> We have to exercise a modicum of judgement here. Never ever changing
> behaviour, or accumulating ever increasing numbers of build flags,
> commandline args or config options, which the user must know which to set
> to get sane behaviour, may not be good either.
> We're not an OS kernel. Sometimes documenting a change in behaviour will
> be the right thing to do.
> The above is independent of this particular question.
> > If that wasn't obvious from the above suggestion, I'm strongly against
> > changing Quagga's behaviour between versions in ways that break
> > reasonable user setups.
> The thing is, what reasonable user setup is broken?
> The ones posited so far are ultimately broken anyway, and the admin is
> likely (sooner or later) to find that out and switch to a setup that
> wouldn't be affected by this change anyway.
> Paul Jakma paul at jakma.org @pjakma Key ID: 64A2FF6A
> Except for 75% of the women, everyone in the whole world wants to have sex.
> - Ellyn Mustard
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