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Was curious if anyone here knew of some decent network monitoring software, preferably free? Recently I've been getting a lot of delays when we watch movies through Roku, which is abnormal. There are a lot of devices that get connected to the network, but not all at the same time (several apple devices, printers, a couple of pcs, roku, etc.) I just wanted to find the root of the hold ups on the network, if it's coming from devices, our router, ISP, etc. There has got to be software that does this, just wondering if anyone has some good recommendations. Thanks!