I have 3 V6 boxes and a TIVO. I keep getting the above when trying to watch content between the V6 boxes. Re-booting the boxes seems to help short term but it comes back within 24 hours. My wifi throughout the house is good (Amazon Eero boxes) and signal strength shows Excellent and speed is in the several hundred meg range. I'm connecting on 5Ghz as it has been sugeested this is the best option. Anyone with any ideas? Never had any problems with Sky Q and all other wifi devices work fine.
I'll just add a couple of bits to newapollo's advice...
Ethernet is absolutely the best option given a choice. Between the 2 WiFi-bands, 5Ghz & 2.4Ghz have different behaviours. 5Ghz is capable of quicker speeds than 2.4Ghz which makes it potentially more suitable for video streaming. However, it doesn't have the same range as 2.4Ghz, and if two devices are struggling to connect, then that's a factor.
Also.. if many of your immediate neighbours are using 5Ghz devices but not many are using 2.4Ghz, radio interference could take over. Using a WiFi scanner such as inSSIder can assist with this.
There is no hard & fast rule of "one size fits all" - just principles of what can work better, and experimentation with your specific kit. I'm fairly sure that V401 errors do relate to poor WiFi signal strength, but checking in each box's network connection screen should help here.
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Thanks both for the advice. Signal strength has always looked excellent when checked but I'm going to try it on 2.4Ghz fixed. Think it was set to auto switch beween the two bands so this in itself I guess could cause a problem. If this does not work I'll probably buy a couple of 5 port switches and try wired into the Eeros. Already have an Xbox wired into one and a PC wired into the other, the 3rd V6 will have to stay wireless as not near enough to an Eero box to run wired. I'm also considering a switch to TV360 but having read some of the comments on the board that may be a case of frying pan and fire.....