[quagga-dev 11677] Re: link detect enable

John Fraizer john at op-sec.us
Tue Oct 28 17:18:56 GMT 2014

I'm not a fan of having to set environment variables.  If you're going to
make something a runtime option, why not use command-line args?

As for the change, my vote is to keep the patch.  The configurations that
it will impact are *already* broken.  This simply exposes the fact that
they're broken.  We don't want to re-enforce bad network design while also
punishing (or leading astray) those who expect the platform to "act

I've often questioned the wisdom of holding off on changes / improvements
because other (non-Linux) operating systems wouldn't support said feature.
Zebra (and by extension, Quagga) was developed for Linux.  It has been
*ported* to *bsd and other OS's and in those cases, I say, "Good for them."
 But, to hold back functionality improvements in the entire project based
on the fact that Operating System "B", "F" or "S" doesn't support it has
about as much merit as the whole "everyone gets a trophy" philosophy that
has permeated society.  Frankly, if your OS doesn't support something, it
sucks to be you.  I don't see the "B", "F" or 'S" crowd saying, "We really
can't expand project X to include feature Y because Linux doesn't support

John Fraizer
LinkedIn profile: http://www.linkedin.com/in/johnfraizer/

On Tue, Oct 28, 2014 at 11:44 AM, Paul Jakma <paul at jakma.org> wrote:

> On Tue, 28 Oct 2014, Vincent JARDIN wrote:
>  hacky, but could work, let's have a getenv("ZEBRA_INTERFACE_LINKDETECTION")
>> that can change the behavior.
> Or just a have a global enable by default flag.
> Thing is, then there's still the "why does our default hurt the common
> case?" question.
> regards,
> --
> Paul Jakma      paul at jakma.org  @pjakma Key ID: 64A2FF6A
> Fortune:
> Our informal mission is to improve the love life of operators worldwide.
>                 -- Peter Behrendt, president of Exabyte
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