Configuring probes
Probes in application gateway are used to monitor the health of the backend targets. Each endpoint is monitored, and if one is found to be unhealthy, it is temporarily taken out of rotation and requests are not forwarded. Once the status changes, it's added back. This prevents requests from being sent to unhealthy endpoints that can't serve the request.
Getting ready
Before you start, open the browser and go to the Azure portal at https://portal.azure.com.
How to do it...
In order to add a probe to our application gateway, we must do the following:
- In the Azure portal, locate the previously created application gateway.
- In the Application gateway pane, under Settings, select Health probes. Select Add to add the new probe:
Figure 12.21: Adding a new health probe
- In the new pane, we must provide the Name of the probe (this option will be grayed out if an existing probe is edited), along with the Protocol, Host, and Path. We also...