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Date:      Tue, 25 Jan 2005 15:22:09 +0000
From:      Bruce M Simpson <bms@spc.org>
To:        Jeremie Le Hen <jeremie@le-hen.org>
Cc:        freebsd-net@freebsd.org
Subject:   Re: gif(4) and bpf(4)
Message-ID:  <20050125152209.GK47638@dhcp120.icir.org>
In-Reply-To: <20050125150255.GE59685@obiwan.tataz.chchile.org>
References:  <20050124212011.GC59685@obiwan.tataz.chchile.org> <20050125011615.GB47638@dhcp120.icir.org> <20050125143327.GD59685@obiwan.tataz.chchile.org> <20050125144153.GJ47638@dhcp120.icir.org> <20050125150255.GE59685@obiwan.tataz.chchile.org>

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On Tue, Jan 25, 2005 at 04:02:55PM +0100, Jeremie Le Hen wrote:
> Does any one have other ideas ?  It seems the code was partly written
> by sam@, brooks@ and shin@.

Interesting. It seems gif isn't passing anything back at all. Can you verify
that the routes for the addresses you're pinging traverse gif0? I'd
probably also try csjp@'s bpfstat tool to get a closer look at what's
going on in bpf.

Also try assigning a local address to an instance of gif on the affected
system and pinging a destination through it using the -r and -S options
whilst running tcpdump to be sure.

Can you post the revision(s) of the source files? e.g.:
	src/sys/net/if_gif.c
	src/sys/netinet/in_gif.c
	src/sys/netinet6/in6_gif.c
...and uname -a?

Hope this helps,
BMS



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