My round-robin not behaving
Mark_Andrews at isc.org
Mark_Andrews at isc.org
Mon Aug 23 22:11:18 UTC 1999
> Experts,
> [BIND 8.2p1, Solaris 2.6]
>
> I have:
> foo IN A 1.2.3.4
> foo IN A 5.6.7.8
>
> I expect to see
> >foo
> Name: foo.blat.com
> Addresses: 1.2.3.4, 5.6.7.8
>
> >foo
> Name: foo.blat.com
> Addresses: 5.6.7.8, 1.2.3.4
>
> and back and forth, REGULARLY. This is not the case. I see 1-to-1, 2-to-2,
> 2-to-3, 1-to-3 round-robin and the behavior is completely unpredictable. Is
> there a randomizing switch somewhere that I have overlooked?
>
> QCT
>
>
>
BIND 8.2 onwards randomly picks the start of the cyclic response.
This is statistically idential to the old behaviour.
Note: on BSD based boxes the random number generator used does not
modify the LSB of the number returned. BIND 8.2.2 codes around
this misfeature.
Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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