Re: Semi-automated L3 interface DNS records

[Joe Abley <jabley () hopcount ca>]

On 2012-10-18, at 14:57, "Pedersen, Sean" <Sean.Pedersen () usairways com> wrote:

> Does anyone out there have any experience with a script, tool or appliance that would help manage the creation and 
> maintenance of DNS records for Layer 3 interfaces on routers and switches?

http://www.nanog.org/meetings/nanog26/presentations/stephen.pdf
ftp://ftp.isc.org/isc/toolmakers/

> We'd like to move toward this practice to help with troubleshooting and IPAM, but it's not feasible to do it 
> manually. At a minimum, I was mulling over the idea of writing a script that would poll a device via SNMP to obtain 
> interface information, parse it, compare the results to DNS, then generate a report if it found a miss. It wouldn't 
> be fully-automated, but it would be better than doing that portion of the work manually. Cleaning up dead entries 
> would be another issue.

AS6461 once had the bulk of its reverse DNS auto-generated from awk scripts. It's the only way to travel.


Joe