*BSD News Article 96263


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From: brian@shift.utell.net (Brian Somers)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: User PPP
Date: 27 May 1997 09:07:34 GMT
Organization: Awfulhak Ltd.
Lines: 33
Message-ID: <5me88m$3dq@ui-gate.utell.co.uk>
References: <Pine.BSI.3.95.970519184616.5906A-100000@gold.interlog.com>
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    <86yb97tiis.fsf@bitbox.follo.net> <5m3oci$ic4@ui-gate.utell.co.uk>
    <86d8qhzglg.fsf@bitbox.follo.net>
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In article <86d8qhzglg.fsf@bitbox.follo.net>,
	Eivind Eklund <perhaps@yes.no> writes:
> In article <5m3oci$ic4@ui-gate.utell.co.uk> brian@shift.utell.net (Brian Somers) writes:
>> > 
>> > I've worked with netmasks from 22 to 29 bits - 8 addresses, 64
>> > addresses, 256 addresses, 1024 addresses.  They exists, and just about
>> > everything support it.  A lot of things don't support non-continuous
>> > netmasks, though - FreeBSD included.
>> 
>> Except for DNS reverse lookups.  I did find a document on how this
>> can be achieved (some kind soul pointed me at it a while ago), but
>> AFAIK, the named that ships with FreeBSD doesn't support the syntax.
> 
> I assume you misunderstood me?  FreeBSD doesn't support it.  AFAIR,
> the FreeBSD 'route' command don't properly support non-continuous
> netmasks - you can't remove them.  Pretty bad for long-term use.

Oops.  I understood you, I just didn't make it clear what I
was talking about :)  I was responding to the bit about
contiguous netmasks that aren't 8, 16, 24 or 32 bits.  The DNS
IN-ADDR.ARPA stuff doesn't allow any netmasks besides these.

There is a document about a backwards compatible named config
file syntax that allows any contiguous netmask.  I can have
a look for the URL if anyone's interested.

> Eivind.
> 

-- 
Brian <brian@awfulhak.org> <brian@freebsd.org>
      <http://www.awfulhak.org>
Don't _EVER_ lose your sense of humour !