Network Extender issue

[MJK7475]

My network extender is brand new as my other one ( a year old) was getting wonky. The new one goes through all of its stages successfully, however it now says Server Error 9A. Check Lan or firewall settings. Verizon suggested that I call TP link (My mesh router system company) or cox communication. TP link is not proving a solution and I am about to call Cox. Any suggestions here as my cell phone relies heavily on the extender. Thanks! Mark

[jav6 · Accepted solution]

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@MJK7475 wrote:

My network extender is brand new as my other one ( a year old) was getting wonky. The new one goes through all of its stages successfully, however it now says Server Error 9A. Check Lan or firewall settings. Verizon suggested that I call TP link (My mesh router system company) or cox communication. TP link is not proving a solution and I am about to call Cox. Any suggestions here as my cell phone relies heavily on the extender. Thanks! Mark

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Assuming you've called Verizon Support to ensure the extender's MAC ID is properly provisioned in the network, you might check your router for the IPSEC setting.  It should be ON.