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ChesterWinslow's avatar
Feb 01, 2021
Solved

ex7700 not working

I have a Zyxcel C2100Z modem/router from century link.  I have gone through setup numerous times on the extender including WPS setup and through the interface.

 

Everything seems right after the setup.  The router link, WPS and client link lights are solid white.  The interface says ths signals are good.  I have a signal checking program on my laptop and it shows a strong signal from the extender, but devices that are connected to the extender have little or no internet access.  If you move a divece close to the router it works fine - it's just the extender that does not work.  I have updated firmware on router and extender, rebooted, reset the extender and started over.  Nothing has helped.  The setup appears to go correctly, but it the extender does not work.

 

ideas?

  • plemans's avatar
    plemans
    Feb 01, 2021

    A couple things. 

    1. the .210 firmware has been sketchy. try the .206 firmware, do a factory reset and clean install

    2. your connection back to the network are boarderline. 2.4ghz penetrates better than 5ghz and its at less than 50% strength from the primary router. your 5ghz is at a 3rd. so even though you're not to far away, those 2 floors could be blocking the signal. Things like cement, concrete, tile, foil tile backer, hvac in floor/ceiling, etc can block signals. And floors tend to block better than walls because of the materials/utilities between them. You can try the extender on the middle floor to remove 1 floor distance and see if it helps. 

    3. with the boarder line connection, if the 5ghz does drop, the extender defaults back to the 2.4ghz connection. Which is much much slower than 5ghz by an amazing amount on extenders. during setup on my tribands, I disable the "extender 2.4ghz connection". You're still able to use the 2.4ghz but it piggybacks it on the 5ghz backhaul and then won't use the 2.4ghz backhaul if 5ghz drops. 

7 Replies

  • plemans's avatar
    plemans
    Guru - Experienced User

    what firmware is on the EX7700?

    How far from the router is the ex7700?

    If you log in through the ex7700's settings page, what does it show for network backhaul connections/strengths? 

     

    • what firmware is on the EX7700?

      V1.0.0.210

       

      How far from the router is the ex7700?

      About 18~20' as the crow flies. The router is on the 3rd floor and the EX7700 is in the basement, 2 floors pretty much straight down.

       

      If you log in through the ex7700's settings page, what does it show for network backhaul connections/strengths?

      (See attached image below)

       

       

      I should also mention that sometimes I have trouble loging onto the extender.  This time it worked fine, but often it just times out and does not connect.

       

       

      • plemans's avatar
        plemans
        Guru - Experienced User

        A couple things. 

        1. the .210 firmware has been sketchy. try the .206 firmware, do a factory reset and clean install

        2. your connection back to the network are boarderline. 2.4ghz penetrates better than 5ghz and its at less than 50% strength from the primary router. your 5ghz is at a 3rd. so even though you're not to far away, those 2 floors could be blocking the signal. Things like cement, concrete, tile, foil tile backer, hvac in floor/ceiling, etc can block signals. And floors tend to block better than walls because of the materials/utilities between them. You can try the extender on the middle floor to remove 1 floor distance and see if it helps. 

        3. with the boarder line connection, if the 5ghz does drop, the extender defaults back to the 2.4ghz connection. Which is much much slower than 5ghz by an amazing amount on extenders. during setup on my tribands, I disable the "extender 2.4ghz connection". You're still able to use the 2.4ghz but it piggybacks it on the 5ghz backhaul and then won't use the 2.4ghz backhaul if 5ghz drops.