This will call the command prompt by launching a black window.
Click on “Start,” then “All Programs. " Look for the Accessories folder and open it. Click on “Command Prompt. " This will call the command prompt by launching a black window. You can skip this step if you’ve already found the command prompt from step 1.
There’s a space in between each command. This is quite technical, but just follow the syntax. The next few steps will explain the parameters of the syntax.
For example, use www. yahoo. com or www. google. com.
Try to start with 1500.
ping www. yahoo. com –f –l 1500 Press “Enter” on your keyboard to send the ping.
Proceed to step 8.
Repeat steps 6 to 9 until you don’t see a message saying that the packet still needs to be fragmented. Once you don’t see the message anymore, proceed to step 10.
Try increments of 2 or 4 bytes.
Repeat steps 10 to 11 until you determine the largest packet size that won’t be fragmented.
Remember to include the extra 28 bytes.
Your network is now set to its optimum MTU.
