[f-nsp] ServerIronXL 16 or 24 port questions..

Bjørn Mork bjorn at mork.no
Tue Jun 29 03:31:27 EDT 2004


Niels Bakker <niels=foundry-nsp at bakker.net> writes:
> * bjorn at mork.no (Bjrn Mork) [Mon 28 Jun 2004, 13:44 CEST]:
>
>> The problem is that you can't control which questions it gets.  Lots
>> of clients will ask for AAAA records nowadays.  A regular DNS server
>> will immediately return NXDOMAIN when no AAAA records are defined, but
>
> Actually they'll reply NOERROR to indicate other data is available, just
> not of the requested type

You're of course right.  I have to learn to be precise one day...

>> the ServerIron didn't even when running as a standalone DNS server.  It
>> just dropped the AAAA requests, causing long delays for these clients
>> before they eventually timed out and fell back to asking for an A
>> record. 
>
> So the SI will only intercept A queries?

That's my experience.  But this was with 07.1.21 which is 2.5 years
old now.  I've not tried GSLB with any newer SW.


Bjørn




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