[c-nsp] DNS Naming conventions for Switches

[Keegan Holley]

Characters from star wars?  Sports teams?



On Thu, Sep 2, 2010 at 12:52 PM, <cisconsp at secureobscure.com> wrote:

> Device and interface naming is a fairly religious topic in most places. I
> snapped a screenshot from one of our docs and uploaded a picture:
> http://img842.imageshack.us/i/interfacenaming.png/
> or
> http://img842.imageshack.us/img842/4277/interfacenaming.png
> Hopefully one of those 2 links works.
>
> We basically use the abbreviated interface name from the table linked
> above.
> interface.device.[sub].domain.com
>
> John
>
>
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Andrew Miehs
> Sent: Thursday, September 02, 2010 11:27 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] DNS Naming conventions for Switches
>
> Hi all,
>
> have spent the last couple of hours looking and haven't been able to find a
> satisfactory solution to naming cisco siwtch interfaces.
>
> I am currently looking after a lot of Cisco 6500s and would like to clean
> up
> DNS so that reverse lookups = forward etc.
>
> I would like to suggest that we do the following:
>
>  lo1.switchname.domain.com
>  gi1-1-1.switchname.domain.com
>  po1.switchname.domain.com
>  v1.switchname.domain.com
>  te2-1-1.switchname.domain.com
>
>  switchname.domain.com CNAME -> lo1.switchname.domain.com
>
> lo1 (loopback 1) is the management IP address of the switch.
>
> I have noticed however that some NMS solutions uses the reverse lookup of
> the entered address (in this case 'switchname') for filling in the name in
> the software.
>
> Does anyone have any better suggestions, or should I just enter the
> management interface into DNS without the 'lo1' and on the switches without
> loopbacks?
> I have the same issue with the 3750s - although there the management
> interface is a vlan interface, and not a loopback.
>
> Thanks for your comments,
>
> Andrew
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