Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 30 Oct 2009 15:24:12 -0700
From:      Freddie Cash <fjwcash@gmail.com>
To:        Sebastian Hyrwall <sh@keff.org>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Hi. /31 on ethernet links
Message-ID:  <b269bc570910301524p23671b81if3cde889ce49b3db@mail.gmail.com>
In-Reply-To: <4AEB834D.1050907@keff.org>
References:  <4AEB7AE8.5090101@keff.org> <18C758A7-1908-4D1A-BDCA-80FF7FD8BC22@mac.com> <4AEB834D.1050907@keff.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Reading the man page for ifconfig will show the "ptp" option for ifconfig,
that configures the interface as a point-to-point interface..  :)



On Fri, Oct 30, 2009 at 5:22 PM, Sebastian Hyrwall <sh@keff.org> wrote:

> Chuck Swiger skrev:
>
>> On Oct 30, 2009, at 4:46 PM, Sebastian Hyrwall wrote:
>>
>>> Is there any way to use /31's on ordinary ethernet links in 7.2?
>>> "ifconfig addr dest-addr" does not work either. It keeps setting the last ip
>>> as broadcast.
>>>
>>
>> A /31 subnet is only defined for point-to-point network links, per:
>>
>>  http://www.rfc-editor.org/rfc/rfc3021.txt
>>
>> Ordinary ethernet links have BROADCAST flag set instead of POINTOPOINT.
>>
>> Regards,
>>
> Well how do I set the POINTOPOINT flag and remove the BROADCAST-flag on
> ethernet links? Or are you implying that it does not belong on ethernet
> links :)
> Cause Cisco and Linux support /31 (ptp's) on ordinary ethernet links.
>
> Sincerely,
>
> Sebastian H
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>



-- 
Freddie Cash
fjwcash@gmail.com



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?b269bc570910301524p23671b81if3cde889ce49b3db>