Re: [cobalt-users] RaQ4 nslookup doesn't work

["Gerald Waugh" <gerald@xxxxxxxxx>]

> > I found a file called /etc/named/pri.0.0.127.in-addr.arpa.
>
> You need to create a PTR record in the GUI.
> Then you should have a file reveres.ip...in-addr-arpa
> Be careful though the cobalt GUI defaults to a /24 network
> You need to edit the record and set it to /?? [what ever you have]
>
> If you do not have a full /24 network, you may need to
> contact your ISP and tell them you want PTR records in
> accordance with RFC-2317.
>
> A typical RFC-2317 compliant delegated subnet would have a name;
> pri.32-28.3.2.1.in-addr.arpa this would be a file for a /28 subnet

Oops! that should be 4 not 32 / with 4 being the subnet ip address (last byte)
pri.4-28.3.2.1.in-addr.arpa this would be a file for a /28 subnet

> A /28 subnet has 16 ip addresses
> A /29 subnet has  8 ip addresses
> A /30 subnet has  4 ip addresses And that's as small as it gets!
> A subnet has to have a network address, a gateway address, a broadcast
address.
> So, a /30 subnet only has one useable ip address.
>
> Setup your PTR record for the domain, and talk to your ISP
> about RFC-2317 classless IN-ADDR.ARPA delegation
>
> Gerald
>
>
>