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Powerline Ethernet Adapter Making access to internet slow

Tags:
  • Networking
  • Network Connection
  • Ethernet Card
  • Network Configuration
  • Internet
  • Powerline
Last response: in Networking
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June 20, 2013 9:57:16 PM

I have a ZyXEL 500Mbps powerline ethernet adapter and when I plug it into the wall and my wireless router, the connection speed to the internet degrades and eventually I get less than 1mbps down/up speeds. Without the powerline adapter plugged in, I get around 60 down/ 20 up (pay for 50 down 10 up). I get these speeds when I am connected directly to the modem, connected to the router, connected over wifi and when connected over the powerline ethernet cable when I first plug in the powerline adapter. Over the course of a couple hours or so, the speed of all of these connections degrades to sub-1Mbps speeds. If I disconnect the Ethernet powerline adapter and reset the modem/router, the regular high speed comes back.

Also - I transferred a couple files between two computers on my local network while the speeds were slow and it was decently fast - pretty much the same speed as when the internet has full speed. It seems the LAN is not affected by this issue...

I have Cox internet service in Phoenix. My modem is a Motorola SB6141. My router is an Asus AC66U. The powerline ethernet adapter is a ZyXEL PLA4225 500Mbps.

If anyone has any idea what might be causing the internet signal to degrade or what I might be able to do to fix this issue, It would be a big help!

More about : powerline ethernet adapter making access internet slow

June 20, 2013 10:07:31 PM

I'm guessing the frequency the zyxel uses coincides with the frequency the modem uses to talk to home.
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