Date: Sat, 31 Oct 2009 01:29:23 +0100 From: Sebastian Hyrwall <sh@keff.org> To: Freddie Cash <fjwcash@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: Hi. /31 on ethernet links Message-ID: <4AEB84E3.1070908@keff.org> In-Reply-To: <b269bc570910301524p23671b81if3cde889ce49b3db@mail.gmail.com> References: <4AEB7AE8.5090101@keff.org> <18C758A7-1908-4D1A-BDCA-80FF7FD8BC22@mac.com> <4AEB834D.1050907@keff.org> <b269bc570910301524p23671b81if3cde889ce49b3db@mail.gmail.com>
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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 <sh@keff.org > <mailto: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 <mailto: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 > <mailto:freebsd-net-unsubscribe@freebsd.org>" > > > > > -- > Freddie Cash > fjwcash@gmail.com <mailto:fjwcash@gmail.com>
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