CUPS, AIX, and IPv6 - an FYI

[angelb]

> For those running CUPS in AIX environment, if you're not already aware,
> AIX by default, uses IPv6. I'm not sure when IBM made this change but
> it's effective in 5.2.
>
> Disabling IPv6 in AIX resolves the response time delay by eliminating
> the need for the request to move too high up the DNS chain for resolution and speed up the request to the next available server should
> the first DNS server is non-responsive.
>

On a side note, when we disabled IPv6 lookups on the AIX client, it
stopped performing localhost lookups altogether when lpstat is run
which may also improved performance. The name localhost is not found
anywhere in the CUPS configuration. Any idea on this?

Thanks,
Angel