[c-nsp] DNS Naming conventions for Switches

Keegan Holley keegan.holley at sungard.com
Fri Sep 10 17:37:20 EDT 2010


Reverse DNS helps with traceroute mostly.  You can see which routers you are
traversing without having to look up the routes or login to them.  That's
just about the only use I can think of.


On Sun, Sep 5, 2010 at 5:45 PM, Mark Tinka <mtinka at globaltransit.net> wrote:

> On Friday, September 03, 2010 05:11:29 am Kameron Gasso
> wrote:
>
> > Under the guise of "managing my priorities" (read:
> > "laziness"), I don't generally create A records to match
> > for interface IPs -- I've honestly never found a
> > practical use for it.  Our NMS connects by IP, I don't
> > connect to those addresses frequently enough to warrant
> > doing so by name, and I've yet to see a traceroute
> > implementation that cares about matching
> > forward/reverse.
>
> We do the same.
>
> A + PTR records for Loopback (or Management interface if
> Loopback is not applicable), and then only PTR records for
> physical interfaces.
>
> We haven't seen much use to have A records for physical
> interfaces.
>
> Cheers,
>
> Mark.
>
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