E4200: Computers wireless sporadically lose the signal strengths

After 1 day, the icon of connection on some computers begin to show 2-4 bars instead of the 5 bars of origin. This could be the cause? and how to fix it? Thank you.

I had a long conversation with a support staff of Linksys and here are the steps we went thrus to correct the problem. The question has not appeared since then. (5-7 hours)

  1. Measures

    1. Download the firmware from http://homedownloads.cisco.com/downloads/firmware/FW_E4200_1.0.00.013_US_20101112_code.bin.
    2. Access the router and run the upgrade. Note that although the above firmware is identical to the current version. But Sameer, that it is necessary, because it is ONE of the steps to solve the problem.
    3. Go to the tab Wireless-> Wireless base
      1. Select Manual.
      2. For a 5 GHz frequency
        1. Wireless network mode should be: mixed.
        2. Channel width: 20 MHz only
        3. Channel set it to 161
      3. For the frequency of 2. 4 GHz: wireless network mode should be: mixed.
        1. Channel width: 20 MHz only
        2. Channel: set it to 9
      4. Save the settings
    4. Administration tab > disable UpnP > save settings.
    5. Configuration tab > change the MTU to auto to manual value & reduce the size to 1365 (from 1500) > save settings.
  2. Possible causes
    1. It could be the cause of firmware issue which we reflashed the firmware.
    2. It could be the low connection or connection to the internet service provider drop cause that we reduce the MTU.
    3. How can I go to find out if there is a conflict of network channel?
      1. By changing the channel 1, 3, 6, 9 (much less), 11

Tags: Linksys Routers

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