Date: Wed, 09 Mar 2005 12:30:46 -0800 From: Charlie Schluting <charlie@schluting.com> To: net@freebsd.org Subject: Re: tcpdump/bpf and seeing .1q tags Message-ID: <422F5CF6.9070906@schluting.com> In-Reply-To: <3aa4b0ab62a3d4855fdc62383a77b9d5@mac.com> References: <20050309111759.O97008@schluting.com> <3aa4b0ab62a3d4855fdc62383a77b9d5@mac.com>
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Charles Swiger wrote: > On Mar 9, 2005, at 2:22 PM, Charlie Schluting wrote: >> More importantly, I'm trying to figure out if a bpf read will see them >> as well. Any insight on this? > > > Yes, or it will if you use promisc mode and an appropriate BPF filter: > So promisc is enabled in my case. This seems to imply that the bpf will always see the vlan tags. (I don't want to.. that was the point of my question) I believe this is starting to make sense. Thanks for your reply. -Charlie
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