On Tue, 2020-05-12 at 18:44 -0500, Ian Pilcher wrote: > Background - I am having an issue with occassional pauses when > streaming > high-bitrate media across my home network to my smart TV. I > *suspect* > that the root cause is the (incredibly lame) 100 Mbps Ethernet > interface > in the TV. > > In order to confirm that the peak bitrate really does max out the 100 > Mbps connection, I'd like to monitor the communication between my NAS > and the TV. The two devices are on separate VLANs, with routing > performed by a CentOS 7 system, so it should theoretically be > relatively > simple to use an appropriate utility on the "router" to monitor and, > if > possible, graph the network traffic going to the TV. > > Ideally, I could run said utility for the entire time that the media > file is playing and then look at its pretty graph to check if/when > the > bitrate hit 100 Mbps. Being able to watch the pretty graph in real > time > through a web interface would be nice as well, but is not required. > > Is any such program included in CentOS 7 or EPEL 7? > > The closest thing that I've found thus far is iftop (despite its lack > of > pretty). Unfortunately, it won't allow me to see the peak bitrate > over > the whole period in which the media is playing. You'll need a second linux system, but I'd consider using iperf with a client/server setup. Mark > >