====== Network Troubleshooting ======
===== Capturing an MTR =====
In some cases, you may be asked by support to provide an MTR to diagnose potential routing issues between your service and another point on the internet. Below are 2 methods on capturing an MTR, one for Windows and one for each flavour of Linux.

==== Windows (WinMTR) ====
  * Download [[https://sourceforge.net/projects/winmtr/files/WinMTR-v092.zip/download|WinMTR]]
  * Extract the contents of the .zip file to your desktop.
  * Open the WinMTR folder, then open the folder that matches your version of Windows (32-bit or 64-bit) and run WinMTR.exe.
  * Enter the IP address you want to test in the Host field. This will be the IP of the service you're diagnosing.
  * Note: If multiple IPs are listed, run a WinMTR test for each IP address.
  * Click Start, then launch the server you're testing. If no connection issue is found in the first 5 minutes, restart the test.
  * When a connection error occurs, play for at least 5 more minutes, then click Stop in WinMTR.
  * Click "Copy Text to Clipboard".
  * Reply to your ticket and paste the results within your reply. 

==== Linux ==== 
=== Debian/Ubuntu-based Systems ===
  * Run the following commands as root to install mtr: 
<code>
apt-get update
apt-get install -y mtr
</code>
  * Run the MTR (replace **IP_ADDRESS_HERE** with the IP of the service you're diagnosing):
<code>
mtr --report -w -z IP_ADDRESS_HERE
</code>
  * Select and copy the results from the output, including the fields at the top (Start and HOST) and finishing after the last result displayed.
  * Reply to your ticket and paste the results within your reply. 

==== CentOS/RHEL-based Systems ====
  * Run the following commands as root to install mtr: 
<code>
yum update
yum install -y mtr
</code>
  * Run the MTR (replace **IP_ADDRESS_HERE** with the IP of the service you're diagnosing):
<code>
mtr --report -w -z IP_ADDRESS_HERE
</code>
  * Select and copy the results from the output, including the fields at the top (Start and HOST) and finishing after the last result displayed.
  * Reply to your ticket and paste the results within your reply.