From owner-freebsd-bugs  Tue Jul  7 09:32:34 1998
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To: Samuel S Thomas <sthomas@lart.net>
cc: Poul-Henning Kamp <phk@critter.freebsd.dk>, freebsd-bugs@FreeBSD.ORG
Subject: Re: kern/7191: FreeBSD 2.2.6 generates Source-route prohibited when not routing 
In-reply-to: Your message of "Tue, 07 Jul 1998 16:23:24 -0000."
             <19980707162324.A13902@lart.net> 
From: David Greenman <dg@root.com>
Reply-To: dg@root.com
Date: Tue, 07 Jul 1998 09:27:01 -0700
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>have patched, compile should only take 3 or 4 days ;-) (486sx33
>laptop...yawn) will test this at work, also...have a few FreeBSD boxes

   Don't bother. It doesn't work correctly. The code thinks that the packet
is local and ends up generating a ICMP port-unreachable...which is quite
bogus. I think I know what is wrong, but the fix is ugly.

>lying about that I can play with. btw, after scrolling through the
>if_ep.c code again with my bloodshot eyes, it does appear that it may be
>setting the card up as promiscuous for multicast. is there a way to
>disable multicast to test that theory? (only handbook/faq info I could
>find cheerfully states that it's enabled by default)

   There should be a device flag to enable all multicasts; it should not
be necessary to set promiscuous mode.

>p.s. (what's with the change in buf[] definition? trying to spare the
>extra cycles? ;-)

   Code readability.

-DG

David Greenman
Co-founder/Principal Architect, The FreeBSD Project

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