Freddie Cash skrev:
Reading the man page for ifconfig will show the "ptp" option for ifconfig, that configures the interface as a point-to-point interface.. :)


It will also show that it seems to be only for bridgeing,

# ifconfig  fxp0 ptp fxp0
ifconfig: unable to get bridge flags: Invalid argument



On Fri, Oct 30, 2009 at 5:22 PM, Sebastian Hyrwall <s...@keff.org <mailto:s...@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
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--
Freddie Cash
fjwc...@gmail.com <mailto:fjwc...@gmail.com>

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