.. _system-using-port-change-radius-accounting:

Changing the Radius Accounting service port
===============================================

When using the Radius Accounting service on a Genian NAC device, you can change the port.
The service is provided through the known port 1813 and you can change the port with the following process.

#. Go to **Preferences** in the top panel.
#. Select **RADIUS Server** from the **Service** item on the left.
#. Enter **Accounting Port** in the **Accounting Server** settings.
#. Click the **Update** button.