Powerline 1000 - Additional units slow network speed

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amatog wrote:

Mixing old & new also slows the speed dramatically. I have factory reset each device & do not have encryption enabled.

 

I have managed to get different "batches" to work happily together. Different models even (1000 and 1100). I have also mixed Netgear plugs with a different brand without problems.

Have you been thought the process of resetting the new plugs again and adding them to your existing setup? Do it with the new plugs sitting as near as possible to the "host" plug connected to the router. If you can get that to work OK you can then move the plugs to the new locations. They will "remember" the connection to the host.

If they then "go bad" it may be down to some freaky local problem on your mains circuit.

I wonder if the docking station is involved in any way. I'm not familiar with them. I use simple switches on my network. Things that try to "manage" the network could get in the way. Netgear doesn't even like the idea of using mains extension blocks. I use them all the time, but I avoid those with surge protection and other "safety" measures.