Although this won’t fit the original poster’s needs as he is looking to implement this functionally in software, the following works very well:
netstat -b -I <device> On Jun 8, 2015, at 6:43 PM, Jeff Meegan <je...@frob.org> wrote: > If all you want are counters, I’d probably just enable > snmp on the host and periodically snmpget ifInOctets and ifOutOctets, > etc. http://www.net-snmp.org/docs/mibs/interfaces.html has a good > overview of the Interface MIB so you can see what kind of data you > have access to. This is pretty scriptable, too. > > —j > >> On Jun 8, 2015, at 3:36 PM, Peter Lovell <plov...@mac.com> wrote: >> >> Another suggestion - see if you can find or borrow on old-style "ethernet >> hub". Not the more modern "switch" variety, but an old-fashioned hub - the >> kind that broadcast all traffic on all its ports. >> >> If you can get one of these then you can put your traffic-collector on a >> separate machine and that way the monitoring doesn't interfere with the >> activity. >> >> Jeremy's recommendation of tcpdump/Wireshark is right on target. >> >> Cheers.....Peter >> >> >> Jeremy Thompson <jer...@warehousesports.com> wrote: >> >>> There are a couple of things you will need to do whether you use tools >>> to capture information or write your own code. The device will need to >>> have some sort of shell access and tools built in to packet capture. If >>> its a OS X, BSD, Linux machine you will be able to use tcpdump. You can >>> send that capture to a file and process with a tool. I would recommend >>> Wireshark. Wireshark can capture as well but if the machine can't run >>> it or doesn't have a gui you will need to capture and then process on >>> your machine. If the device is fairly locked down you'll need to mirror >>> the switch port its connected to. On the mirrored port you can use >>> Wireshark, tcpdump, or your own code to do a capture. >>> >>> -- >>> Jeremy Thompson >>> Sports Warehouse Inc. >>> jer...@warehousesports.com >>> >>> >>> >>> >>> >>>> On Jun 8, 2015, at 1:35 PM, Fabian Jäger >>> <fabian.jae...@chungwasoft.com> wrote: >>>> >>>> Dear experts, >>>> is it possible to monitor the inbound/outbound traffic of a particular >>> network device? I would like to print some statistics and would need the >>> byte/s information... >>>> >>>> Best regards, >>>> Fabian >>>> _______________________________________________ >>>> Do not post admin requests to the list. They will be ignored. >>>> Macnetworkprog mailing list (Macnetworkprog@lists.apple.com) >>>> Help/Unsubscribe/Update your Subscription: >>>> https://lists.apple.com/mailman/options/macnetworkprog/jeremy >>> %40warehousesports.com >>>> >>>> This email sent to jer...@warehousesports.com >>> >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Macnetworkprog mailing list (Macnetworkprog@lists.apple.com) >>> Help/Unsubscribe/Update your Subscription: >>> https://lists.apple.com/mailman/options/macnetworkprog/plovell%40mac.com >>> >>> This email sent to plov...@mac.com >> >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Macnetworkprog mailing list (Macnetworkprog@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/macnetworkprog/jeffm%40frob.org >> >> This email sent to je...@frob.org > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Macnetworkprog mailing list (Macnetworkprog@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/macnetworkprog/tpmarchand%40gmail.com > > This email sent to tpmarch...@gmail.com
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