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I have WiFi router connected to the Internet through pppoe. Router has latest version of firmware installed. I have no any antivirus software running and firewall enabled.

My router is ASUS RT-N10LX(http://www.asus.com/Networking/RTN10LX/)

My net is   : 192.168.1.0/24  
WiFi gateway: 192.168.1.1  
WiFi clients: 192.168.1.2(OS Windows 7 Professional (x32)),  
              192.168.1.3(Android 4.xx)

I have access to the Internet from any connected devices. I can ping WiFi router from any devices which have wireless connection to it. From webadmin of my WiFi router, I can see IP addresses of all devices connected to it.

I cannot do ping between devices.
I have "Destination Host Unreachable" message.

But I can do ping from my PC if it connected by cable.

I already did:

  i)netsh int ip reset resetlog.txt  
 ii)netsh winsock reset catalog 
iii)netsh -c interface ipv4 add neighbors "Network Card Name" "192.168.1.3" "xx-xx-xx-xx"



What I need to do to resolve this?
__
Thank you in advance for any help.)

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migrated from serverfault.com Jun 8 '13 at 17:41

This question came from our site for system and network administrators.

    
Can you ping the devices from your router? Many routers offer a ping test tool via webinterface. Also do you have another windows/linux client to test with as this would be easier to debug. Also please include output from ipconfig /all as well as a route print –  leepfrog Jun 8 '13 at 17:55
    
My router has no tool for pinging. I have no any additional OS to test. Here are listings: dropbox.com/s/ohypa91hb5pc3tz/rtprint.txt dropbox.com/s/taomj5k9bmiupul/ipconf.txt –  headroot Jun 9 '13 at 6:46

2 Answers 2

up vote 2 down vote accepted

Many wireless access points have "client isolation" enabled, which prohibits direct communication between connected devices. It's likely you just need to disable that.

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I've already checked my access point for 'client isolation'. It's disabled. –  headroot Jun 8 '13 at 17:09

I found solution. I've done factory reset for my router and issue was solved.
Thanks to all for helping.

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