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RTN66U 100 cpu usage when downloading big file

Discussion in 'ASUS N Routers & Adapters' started by johnqhu, Jul 7, 2018.

  1. johnqhu

    johnqhu New Around Here

    Joined:
    Sep 9, 2015
    Messages:
    9
    Hi, Guys,

    I recently switch to a new Internet Service Provider. The new fiber bandwidth is 50MHz. I found when I downloading something big, it consumes almost all the bandwidth(about 5MB/s), and then I cannot browse internet and have to just wait it to be finished. But I also found, my asus RTN66U also response very slow. The ping time changes from 1ms to 30ms. And the web page of the router is also quite slow. I also noticed the CPU of the router is 100%. Only 1 core.

    So I'm wondering, is it because the router too old? Is it normal? If I upgrade it to AC68U, will it be better?
     
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