On Sun, Mar 28, 2021 at 10:53:49AM -0600, Frank Cox wrote: > Is there a program that will tell me what's eating the bandwidth on a lan? > I'm thinking of something that would tell me that a.b.c.d is using so many mbps and a.b.c.e is using this many and so on. Is this a home network or a business one? If a home setup (or small business with consumer-style networking), https://openwrt.org/docs/guide-user/services/network_monitoring/bwmon > Or can just-another-computer-on-the-network actually see that sort of > information? I don't know enough about the low level nuts and bolts of > networking to know if it has that kind of access. I'm really just > interested in volume of traffic per attached device rather than specific > origin/destination information if that's easier to obtain. You're right that you generally can't see everything from just any computer on a network, at least if it's switched. You need to watch from your gateway. -- Matthew Miller <mattdm at fedoraproject.org> Fedora Project Leader