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I have a tp-link range extender and router, the router connects to the internet without issues but after configuring the range extender the range extender shows an image status where there is a yellow exclamation mark between the range extender and the router, plus a red cross sign between the router and the internet, it doesn't show any details regarding the problem in order to fix, just these two signs althouh the router connects to the internet normally !

Is there any logs that I can check or do you have any suggestions to find the root cause of this issue to fix it?