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If I ping a device that is connected to Wi-Fi, It gives me error: Destination Host Unreachable.

But, If I ping a device that is connected via Ethernet through Router , then it just show me the ping… The problem is with the devices that are connected with Wi-Fi only. Like Mobile phones and laptops.

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  • Can you ping devices in the other direction (i.e. WiFi → Ethernet)?
    – grawity_u1686
    Commented Sep 9, 2019 at 4:39
  • I cannot ping my mobile from any device wherever it is connected to wifi or ethernet
    – Still_Noob
    Commented Sep 9, 2019 at 4:41
  • @grawity If a device is connected to ethernet, and i ping it with the device which is connected to wifi. Then it will show the ping. Problem is that i cannot ping the devices that r connected with wifi
    – Still_Noob
    Commented Sep 9, 2019 at 4:44

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This sounds like there is no route between the two. There are two scenarios why this happens:

  1. The Wifi network has a different network ID and the router "forgot" to add a static route between the two networks or is configured to not add that route, which leads to my other point.
  2. You have a feature like wireless isolation active, which can prevent Ethernet bound devices from accessing WiFi devices.

The gist of it is a routing issue, the solution depends on your configuration and used network devices, which you didn't mention.

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  • SSID Isolation is off, but user Isolation is on.
    – Still_Noob
    Commented Sep 9, 2019 at 6:52
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    Thank you so much ! I just turned off User Isolation and its working !! Thank bro, i was too frustuated from 1 week
    – Still_Noob
    Commented Sep 9, 2019 at 7:41

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