PTR delegation 16 IPs

Christian Krackowizer kra1 at technodat.co.at
Tue Jan 18 16:05:03 UTC 2000


At 23:07 09.01.2000 +1100, you wrote:

> > Mark.Andrews at nominum.com wrote:
> > >
> > > Try "$ORIGIN 120/29.42.112.216.in-addr.arpa."
> > >
> > > Try "$ORIGIN 224/28.141.36.208.in-addr.arpa."
> > >
>
>         The "$ORIGIN" was because you were using "$@".
>
>         Classless IN-ADDR.ARPA delegation is described in RFC 2317.
>
>         My preferred scheme is to use 
> <first>-<last>.XXX.YYY.ZZZ.IN-ADDR.ARPA
>         as this avoids some bugs from BIND betas that got shipped with
>         some linux distributions.
>
>         208.36.141.224/28 is 208.36.141.224 - 208.36.141.239.  The
>         mask indicated by /28 is 255.255.255.240.
>
>         I would be using 224-239.141.36.208.IN-ADDR.ARPA instead of
>         224/28.141.36.208.IN-ADDR.ARPA and 120-127.42.112.216.IN-ADDR.ARPA
>         instead of 120/29.42.112.216.IN-ADDR.ARPA.
>
>         Mark


well, our german division also has 16 adresses only: 193.100.177.32/28
I tried both forms, zone is loaded, the (new created) files.rev on the
secondary do show all nodes, but an 'arp -a' cannot resolve to names.
Now running as 'full' C-network, also defining only our 16 adresses works.
Files.rev looks nearly the same, only $ORIGIN ... is changed.
? is this an 'arp' problem or were should I look ?


best regards
Christian Krackowizer

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