TTLs' and notifies

[David Botham]

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> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]
> On Behalf Of Steve Foster
> Sent: Thursday, August 15, 2002 10:23 AM
> To: phn at icke-reklam.ipsec.nu; comp-protocols-dns-bind at isc.org
> Subject: Re: TTLs' and notifies
> 
> 
> At 13:54 15/08/02 GMT, phn at icke-reklam.ipsec.nu wrote:
> >
> >the slave should upon receiving a notify set teh SOA TTL to zero,
> >which triggers a serial number check and a following zonetransfer.

Is the SOA TTL set to zero or is the SOA Refresh interval set to
zero?  I think it is the Refresh internal, not the TTL.  That is why
I previously posted that TTL's and Notify are not related.  Am I
wrong?

Dave...

> 
> or not, if it determines the serial is the same as the one it
> already has and just reloads the zone...
> 
> >
> >Expiration of a zone is something else, it's when a slave hasn't
> >been able to check serial and starts returning SERVFAIL for
> >queries about that zone.
> 
> so potentially a network issue could cause the domain to expire on
> my secondaries, and not be able to be refreshed until named
> restarts, or the primary sends a notify...
> 
> i am seeing the domain expire quite often, and also the named-xfer
> failing with premature EOF, so i beleive the 2 could be linked, i
> have just seen a further post from  Danny Mayer suggesting that
> bind8 on win32 has this issue, so i am checking with the customer
> to find out what he is running.  
> 
> Cheers guys
> 
> Steve
> 
> 
> Steve Foster
> Senior Systems Administrator
> PSINet Europe
> Work: +44 (1223) 577322
> Mobile: +44 (7720) 425911

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