nanog mailing list archives

Re: Legal intercept - 3550


From: Owen DeLong <owen () delong com>
Date: Wed, 11 Aug 2004 10:08:17 -0700

You might be able to do what yo want by hard-coding the CAM entries in the
catalyst so that it forwards the MAC addresses you're concerned about to
the port in question, but, that may or may not achieve what you want, depending
on the makeup of the MAC addresses in the 300mbps traffic and whether there
is a limited number of MAC addresses that apply only to the traffic that
interests you (destination field only).

Otherwise, you really need to feed this off to anothger GE interface and
use libpcap (snoop, tcpdump, ethereal) to filter stuff into a file.

Owen

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