Date: Wed, 5 Sep 2001 12:57:04 +0530 (IST) From: Brahma Naidu Golla <gbnaidu@sasken.com> To: Julian Elischer <julian@elischer.org> Cc: freebsd-net@FreeBSD.ORG, sameerbr@sasken.com Subject: Re: Packet capturing at Link Layer... Message-ID: <15253.54216.381750.779254@sunk2.sasi.com> In-Reply-To: <Pine.BSF.4.21.0109041034260.18360-100000@InterJet.elischer.org> References: <15252.40345.212692.832960@sunk2.sasi.com> <Pine.BSF.4.21.0109041034260.18360-100000@InterJet.elischer.org>
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Hi Julian, Thanks for your reply. I forgot about the netgraph. Thanks for reminding. regards --gb Julian Elischer writes: > > you can use a netgraph node to filter them > feed the ones you DON'T want back into the > "upper" hook of the ethernet interface. > > (I actually have a special node written to do this if I can get a release > from Monzoon networks to release it) > > On Tue, 4 Sep 2001, Brahma Naidu Golla wrote: > > > Hi, > > > > I would like to capture certain packets (Based on the Protocol type of > > ether header) at the link layer. I dont want the copies of the packets, but > > I want the packets to be received by my user land application and not to be > > processed by the L3 and L4. Could some body give me some pointers on this? > > > > One possibility is to use Raw sockets at the link layer. But how do I > > specify the protocol type of ether header to filter the packets? > > > > TIA > > --gb > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-net" in the body of the message > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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