> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/tmedia-documentation/configuration/adding-radius-server-s.md).

# Adding RADIUS Server(s)

#### ***Applies to version(s): v2.7***

Multiple RADIUS servers can be configured to provide RADIUS redundancy.

1- Select **RADIUS** from the navigation panel.

![Radius Config left panel](https://docs.telcobridges.com/w/images/3/3b/Radius_Config_left_panel.jpg)

2- In the **Editing RADIUS client configuration** page, select **Create new RADIUS server**

![RADIUS client create server 2 7](https://docs.telcobridges.com/w/images/c/c9/RADIUS-client-create-server-2_7.PNG)

3- Configure the RADIUS server with these parameters:

* **Name** to recognize the server.
* **Server IP address** is the IP address of the RADIUS server.
* **Server UDP port** is the UDP port of the RADIUS server.
* **Public IP address** The IP address that will be set in the NAS-IP-Address attribute, when present. This is used when the RADIUS client is behind a NAT. Leave this field empty in order to use the source IP address instead.
* **Timeout** The time to wait (in milliseconds or seconds) for a response from the RADIUS server before retrying.
* **Retries** is the number of times to send the same request again when the timeout is reached. See full details on functionality here: [CDR redundancy](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/protocols/toolpack-cdr-redundancy/README.md)
* **Server type** is the type of RADIUS server this configuration corresponds to. The choices are **Accounting** for CDR functionality and **Authorization** for authentication and authorization.
* **Associated server** is used to link **Accounting** and **Authorization** servers together. See full details on functionality here:[ACCT/AUTH Association](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/protocols/radius-accounting-authentication-association/README.md)
* **Use polling (Status-Server)** dictates if polling with the Status-Server message is supported by this server. When enabled, this option allows the RADIUS client to recognize quickly and efficiently if the RADIUS server is available or not.
* **Polling Delay** The time to wait (in milliseconds or seconds) before polling the server.
* **Server secret** is the passphrase to authenticate the TMG on the RADIUS server.

![RADIUS server configuration 2 7](https://docs.telcobridges.com/w/images/0/07/RADIUS-server-configuration-2_7.png)

4- You can configure multiple RADIUS servers to have RADIUS redundancy. Each entry can have different settings.

![RADIUS client configuration 2 7](https://docs.telcobridges.com/w/images/a/a5/RADIUS-client-configuration-2_7.PNG)


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