Re: Sending Ethernet frames

From: Julian Elischer (julian_at_elischer.org)
Date: 03/22/05

  • Next message: Chris Tusa at Linisys, LLC: "PPP Lan Bridge" 
    Date: Mon, 21 Mar 2005 15:26:35 -0800
To: Giorgos Keramidas <keramida@freebsd.org>

    Giorgos Keramidas wrote:

    >On 2005-03-21 14:05, Patrik Arlos <Patrik.Arlos@bth.se> wrote:
    >
    >
    >>I'm trying to send 'raw' Ethernet frames. I have however not found any
    >>examples of how to do this in BSD.
    >>
    >>Is it possible to open a 'ethernet' socket, similar to a AF_INET? I
    >>need to be able to control the destination address and type/len field
    >>in the Ethernet header.
    >>
    >>In Linux it is possible open a SOCK_RAW and bind it to a particular
    >>interface, I've tried to use the sockadd_dl but in this case bind dies
    >>with error 22, any way to do this?
    >>
    >>
    >
    >It may be a good idea to investigate if libnet does your job.
    >
    >The ports version (net/libnet-devel) is based on libnet-1.1.2.1. Mike
    >Schiffman, who writes libnet may have a newer version on his site:
    >
    >http://www.packetfactory.net/projects/libnet/
    >
    >If you do decide to use libnet, I also have a few local patches that may
    >be interesting; mostly updates lto ibnet's build tree that use the
    >latest automake and autoconf or changes to libtoolize libnet; these are
    >"local hacks" though.
    >
    >

    you can also do it via netgraph(4)

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