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Author pmoody
Recipients Rhamphoryncus, benjamin.peterson, claymation, ezio.melotti, giampaolo.rodola, gregory.p.smith, gvanrossum, loewis, mattsmart, oubiwann, pitrou, pmoody, pnasrat, r.david.murray, shields
Date 2009-06-01.23:51:35
SpamBayes Score 5.20929e-05
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Message-id <8517e9350906011651o4290790bm26a08e0552fc3602@mail.gmail.com>
In-reply-to <8657ee3f0906011641n1fb547d0of55ba87e720effee@mail.gmail.com>
Content
On Mon, Jun 1, 2009 at 4:41 PM, Clay McClure <report@bugs.python.org> wrote:
>
> Clay McClure <clay@daemons.net> added the comment:
>
> On Mon, Jun 1, 2009 at 5:02 PM, R. David Murray <report@bugs.python.org> wrote:
>
>>> >>> ipaddr.IPv4('192.168.1.1') == ipaddr.IPv4('192.168.1.1/32')
>>> True
>>
>> As a network engineer I don't see any inherent problem with that equality.
>> In fact I make use of that conceptual equality on a regular basis.
>
> For an example of why 192.168.1.1 != 192.168.1.1/32, look no further
> than ifconfig:
>
> # ifconfig en0 192.168.1.1/32
> # ifconfig en0
> en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>        inet 192.168.1.1 netmask 0xffffffff broadcast 192.168.1.1
>        ...
>
> # ifconfig en0 192.168.1.1
> # ifconfig en0
> en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>        inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
>        ...
>
> Can you provide an example of when 192.168.1.1 does in fact equal
> 192.168.1.1/32?

what this shows is that your copy of darwin defaults to a /24
prefixlen; ipaddr assumes a /32 prefixlen.  I don't see anything
particularly *more* intuitive with darwin, but in any event, it seems
to provide support for assuming a prefixlen when none is supplied.

>
> _______________________________________
> Python tracker <report@bugs.python.org>
> <http://bugs.python.org/issue3959>
> _______________________________________
>
History
Date User Action Args
2009-06-01 23:51:37pmoodysetrecipients: + pmoody, gvanrossum, loewis, gregory.p.smith, Rhamphoryncus, pitrou, giampaolo.rodola, benjamin.peterson, ezio.melotti, mattsmart, shields, pnasrat, r.david.murray, oubiwann, claymation
2009-06-01 23:51:35pmoodylinkissue3959 messages
2009-06-01 23:51:35pmoodycreate