Date: Mon, 8 Apr 1996 11:55:54 -0700 (PDT) From: Doug White <dwhite@riley-net170-164.uoregon.edu> To: Branson Matheson <branson@longstreet.larc.nasa.gov> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.org> Subject: Re: Violently pulling out my hair Message-ID: <Pine.BSF.3.91.960408115316.4276E-100000@riley-net170-164.uoregon.edu> In-Reply-To: <199604081558.LAA02702@longstreet.larc.nasa.gov>
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On Mon, 8 Apr 1996, Branson Matheson wrote: > Ok... tcpdump manpage gently describes the wonderful way to montior > packets from an ethernet address as follows: > > ether host ehost > True if either the ethernet source or destination address is > ehost. > So I tried: > > root@garion > tcpdump ether host gw.hq.ferg.com > tcpdump: only ethernet/FDDI supports link-level host name > > Grrr... Use an IP address instead. Look in arp -a and find the ether-to-ip mapping. (Note the 'host' directive about 3 options above it -- I think you want that if you are trying to pin down a specific host) Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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