Re: route to host on same network

From: Max Laier (max_at_love2party.net)
Date: 09/14/04

  • Next message: Andre Oppermann: "Re: route to host on same network" 
    To: freebsd-net@freebsd.org
Date: Tue, 14 Sep 2004 03:19:58 +0200

    On Tuesday 14 September 2004 03:05, George V. Neville-Neil wrote:
    > At Mon, 13 Sep 2004 19:19:31 +0200,
    >
    > John Hay wrote:
    > > Hi,
    > >
    > > I'm busy trying to port mobilemesh
    > > (www.mitre.org/tech_transfer/mobilemesh) to FreeBSD and run into a
    > > problem.
    > >
    > > The way mobilemesh works is that you use a subnet for the wireless
    > > network and then it use host routes to route packets to hosts that are
    > > not directly visible. Say for instance that you have hosts 1, 2 and 3
    > > on the 10.0.0.0/24 subnet and machines 1 and 3 can't directly see each
    > > other, but both can see host 2, then the mobilemesh routing protocol
    > > will try to add a host route to the other machine through host 2. On
    > > host 1 it will do something like "route add 10.0.0.3 10.0.0.2" and
    > > on host 3 it will do "route add 10.0.0.1 10.0.0.2". This seems to work
    > > on Linux (where mobilemesh was developed), but I have been unable to
    > > get it to work on FreeBSD. I have also tried various ways with and
    > > without -interface and -iface, but none works. Is it supposed to be
    > > possible in FreeBSD and if so does someone know how?
    >
    > What "doesn't work" as in what error, if any, do you get? Or does it
    > just silently fail? Also, what does your routing table look like
    > before and after the commands (netstat -rn).

    I assume you get: 17 EEXIST "File exists" ...

    ... if that's the case, can you try the attached patch (originally done for
    the CARP import) and tell me if it works for this? I have yet to check all
    the side-effects of this, but it might help.

    [ http://people.freebsd.org/~mlaier/in.c.patch ]

    Thank you for reporting back! 

    -- 
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  • Next message: Andre Oppermann: "Re: route to host on same network"