North American Network Operators Group

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Re: admins about?

  • From: Christopher Morrow
  • Date: Wed Oct 01 09:55:36 2008

On Tue, Sep 30, 2008 at 5:04 PM, Brendan Cleary <[email protected]> wrote:
> I worked with Chris on this outside of the list. Replying here just to close
> the loop in case anyone else was interested.
> This situation is explained in this Case Study:
> The key sentence being:
> "In NetScaler software release 7.0, when the DNS server looks up AAAA
> records, the response was "0" and errors "0". However, in NetScaler software
> release 8.0, with standard response "0", the NetScaler appliance sends the
> delegation records to root. "
> To summarize, if you don't have your NS records in place on the Netscalers,
> you will see a loop for AAAA queries (root>auth>netscaler>root....),
> eventually resulting in a SERVFAIL.

Thanks Brendan! Hopefully Citrix can improve their standard config for
this sort of deployment to make this a little simpler? I can't believe
NYTimes is the only user of Netscalers for this function.