My friend has Xfinity (Blast) 150/15Mbps and an Arris TG1682G Modem\Router.
She has two computers with Blue Iris 4.3.7.3 installed on the same network (Comcast\Xfinity).
HP Pavilion 550-150, i5-6400 (Skylake), 8 Gigs, XFX R9 270X, Intel 535 240Gig SSD, Windows 10.
Acer Aspire TC605...