[c-nsp] ip dns server load information

[Adrian Chadd]

On Wed, Feb 18, 2009, Brett Looney wrote:
> > I'm interested in using a cisco router as a DNS server and I was
> > wondering if anyone has real world experience or documentation that
> > could inform me as to how many users/clients could one router handle
> > if it were the primary dns server.
> 
> Don't do that for any reasonable number of users. In my experience it is
> fine as a SOHO type DNS server (sub 20 users maybe) but under any load it
> fails rapidly and unpredictably. If you are using it in a small environment,
> make sure the upstream DNS servers are rock solid.

Hm, does it still exhibit that weird "will only handle 1 outstanding DNS
request at a time" behaviour that I swore I saw when debugging issues?




Adrian