Fed up

[prpr]

How can a switch do that? Dumb switches don't generate their own traffic, and if there is none from anywhere else, they do nothing.

 

[everthewatcher]

And more to the point, perhaps, have internal buffers ~ 10x bigger?

Not quite - 96KB vs. 192KB.

 

[everthewatcher]

...since changing the main network switch from a fast ethernet (Netgear FS108) to a gigabit (GS108) one earlier this year.

Just remembered there's also a little plastic D-Link GO-SW-5G 5-port gigabit switch sitting being the TV to serve it and the two HDRs.