Date: Wed, 22 May 2013 11:39:05 -0400 From: Brian Hechinger <wonko@4amlunch.net> To: freebsd-net@freebsd.org Subject: GRE and BPF Message-ID: <20130522153905.GP887@wiggum>
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Hello all, I've been having some trouble with a GRE tunnel. Specifically with non-IP traffic (DECnet, in this case) and BPF. I can see the GRE packets containing the DECnet packets coming over the physical interface but when I do a tcpdump of bge0 I never see them. This is an issue because the program I want to use will be using pcap to pull packets off of the bge0 interface. I can get IP packets off of the bge0 interface with tcpdump, however. Is this just never going to work or am I missing something here? The other end is a Cisco is it really matters. I'm running: FreeBSD wiggum 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243826: Tue Dec 4 06:55:39 UTC 2012 root@obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386 Thanks! -brian
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