Unable to access Yahoo from Cisco Linksys Wi-Fi Router – SOLVED

Recently i have switched to Cisco Linksys E900 for my broadband connection. After configuring the router, my internet connection started working fine on Windows 7 and Samsung Galaxy smartphone. I thought that router has been configured properly, but i was wrong. There may be multiple reason for not working but i am putting one solution that might fixed the problem.

I tried testing the internet connection on Ubuntu but to my shocking i found that yahoo is working very slow which was not the case before switching to Cisco Linksys Wi-Fi Router E900 🙁

I start searching on internet for the possible solution but it did not worked but finally came to one article mentioning about MTU which is configured between 1400 – 1500 depending upon your internet connection.

Where is MTU in Cisco Linksys Wi-Fi E900 router?

  • Choose your favorite browser
  • Goto
  • In most of the case your username and password is admin/admin
  • Choose Setup->Basic Setup


Be default the MTU configured was 1492 which was not working properly. I came to know this by using the following ping command.

C:Usershitesh>ping yahoo.com -l 1492

Pinging yahoo.com [] with 1492 bytes of data:
Request timed out.

Ping statistics for
Packets: Sent = 1, Received = 0, Lost = 1 (100% loss),

If you see the above snippet, we see that when we try to ping yahoo.com with 1492 as the packet size we see 100% packet loss. I tried changing the packet size to 1400 and again pinged yahoo.com and it worked so i changed the MTU to 1400 inside router configuration and it worked 🙂

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