Date: Thu, 27 Jun 1996 22:06:50 -0400 From: Andrew Herdman <andrew@why.whine.com> To: Brandon Gillespie <brandon@tombstone.sunrem.com> Cc: freebsd-questions@freebsd.org Subject: Re: Network Monitoring/Packet Sniffing? Message-ID: <Pine.BSF.3.91.960627220514.2647A-100000@why> In-Reply-To: <Pine.BSF.3.91.960627182933.1735A-100000@tombstone.sunrem.com>
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Use 'trafshow' it's in the ports collection. I use it on my network at work to track down a variety of problems, just plug the ethernet interface into the hub/subnet you want to peek at. It also uses standard tcpdump filter rules so you can figure them out with a man tcpdump. Andrew On Thu, 27 Jun 1996, Brandon Gillespie wrote: > I have been given the dubious task of 'administrating' our LAN and its > connection to the internet. Recently our network will max out its > capacity, crippling everybody for a few moments until it recovers. I > havn't been able to track anything more than bandwidth is spiking to > capacity. Another admin where I work has an Ethernet monitor which > simply says 75% of it is from TCP/IP packets (we also run ethertalk). We > have several leased connections, and our network itself is not of the > best design. > > What I am looking for is programs of any sort which do _anything_ in > regard to monitoring network traffic. Specifically, I would love > something which also tracked what IP addresses are hitting the top in > bandwidth. The FreeBSD system I am thinking of sits in the middle of the > network, so should be able to see as easilly as any other (we do not > bridge nor do we have smart hubs, so it should see EVERYTHING). > > -Brandon Gillespie- >
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