Date: Sat, 13 Sep 1997 15:30:48 -0400 (EDT) From: Brian Mitchell <brian@firehouse.net> To: Sunthiti Patchararungruang <stt@pluto.cpe.ku.ac.th> Cc: hackers@FreeBSD.ORG Subject: Re: Need Help about BPF Message-ID: <Pine.BSI.3.95.970913152933.23560A-100000@shell.firehouse.net> In-Reply-To: <Pine.BSF.3.96.970914011256.20311A-100000@pluto.cpe.ku.ac.th>
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On Sun, 14 Sep 1997, Sunthiti Patchararungruang wrote: > Dear Sir, > > I am a master student. My thesis is in the topic of computer > network. I need to know that if I has a complete IP packet, already > encapsulated with IP header, and I would like to send it to a specified > interface, how can I do that. However, my IP packet does not have any > information about Datalink layer address. Do I need to manage the address > by myself. man ip, I would probably use a raw socket > > Someone in FreeBsd.org told me that I should use BPF. I rarely > have the document about it, only have BPF(4) man-page and BPF data in > ftp.ee.lbl.gov. If you also recommend BPF, please tell me where I can find > the information about it. if you use bpf, just write the segment. You need datalink layer too, in the case of bpf.
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