# Server settings

### 1. Summary

This page is for configuring the authentication server.
Configure the authentication server for port authentication.
To use the built-in RADIUS server as an authenticationserver, you need to configure the built-in RADIUS server in Application layer > RADIUS server > Server settings.

The authentication server can be configured manually as a fixed setting or automatically using the auto-configure via LLDPfunction.
To enable automatic settings, enable the "auto-configure via LLDP function" in Management > LLDP. Then the RADIUS server notified by LLDP has configured automatically.

### 2. Top page

This is the top page for the Server settings.

#### 2.1. Authentication RADIUS server settings

- Displays the authentication RADIUS server settings.

- The table items are explained below.

  - Address

    - Displays the authentication server address.

  - Port number

    - Displays the authentication server port number.

- Press the "New" button to display the page for configuring a new authentication server.

- Press the "Setting" button to display the page for changing the selected authentication server’s settings.

- Press the "Delete" button to delete all authentication servers with the check box selected.

- Press the "Register" button to configure the auto-configured RADIUS server as a fixed setting.

- Up to eight authentication server settings can be created, including fixed and automatic settings.

- If both fixed settings and automatic settings are configured, the fixed settings are used first.

- If you create a new fixed setting under thenumber of authentication server settings reached the maximum, thesetting with the largest LLDP receiving port number is deleted from thesettings configured automatically via LLDP.

#### 2.2. Common detailed settings

- Displays the common detailed settings.

- The table items are explained below.

  - Waiting time for a response per server

    - Displays the waiting time for a response per server.

  - Number of times to resend requests to server

    - Displays the number of times to resend requests to the server.

  - Server usage restriction period

    - Displays the period for server usage restriction.

  - NAS-Identifier attribute to be notified to the server

    - Displays the NAS-Identifier attribute to be notified to the server.

- Press the "Setting" button to display the page for changing the common detailed settings.

### 3. Authentication RADIUS server settings page

This page is for configuring the authentication RADIUS server.
You can also change the detailed settings by pressing the "Advanced settings" button.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

#### 3.1. Authentication RADIUS server settings

- Server type

  - Select the authentication server type from the following.

    - Use built-in RADIUS server

    - Use external RADIUS server

  - If you select Use built-in RADIUS server, the following settings are specified with predetermined values.

    - Server address

    - Server port number

    - Shared password with server

  - This item appears only for new settings.

- Server address

  - Specify the address of the authentication server.

  - Enter the address in one of the following formats.

    - IPv4 address : XXX.XXX.XXX.XXX

    - IPv6 global address : XXXX:XXXX::XXXX:XXXX

    - IPv6 link-local address : fe80::X%vlanN

  - To change the setting, you need to start over from a new setting.

- Server port number

  - Specify the port number of the authentication server.

  - The input range is from 0 to 65535.

- Shared password with server

  - Specify the shared password with the authentication server.

  - Enter up to 128 characters using single-byte alphanumeric characters and symbols, excluding ? and space symbols.

  - If you omit the input, the shared password set in the common detailed settings is applied.

- Waiting time for a response from server

  - Specify the waiting time for a response from the authentication server.

  - The input range is from 1 to 1000 seconds.

  - If you omit the input, the waiting time for a response per server set in the common detailed settings is applied.

- Number of times to resend requests to server

  - Specify the number of times to resend requests to the server when the authentication server’s response times out.

  - The input range is from 0 to 100 times.

  - If you omit the input, the number of times to resend requests to the server set in the common detailed settings is applied.

### 4. Common detailed settings page

This page is for changing the common detailed settings of the authentication server.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the input content of the confirmation screen, press the "OK" button.

#### 4.1. Common detailed settings

- Shared password with server

  - Specify the shared password with the authentication server.

  - Enter up to 128 characters using single-byte alphanumeric characters and symbols, excluding ? and space symbols.

- Waiting time for a response from server

  - Specify the waiting time for a response from the authentication server.

  - The input range is from 1 to 1000 seconds.

- Number of times to resend requests to server

  - Specify the number of times to resend requests to the server when the authentication server’s response times out.

  - The input range is from 0 to 100 times.

- Server usage restriction period

  - Specify the period to restrict the use ofthe authentication server temporarily for when the server does not reply after resending requests.

  - The input range is from 0 to 1440 minutes.

- NAS-Identifier attribute to be notified to the server

  - Specify the NAS-Identifier attribute to be notified to the authentication server.

  - Enter up to 253 characters using single-byte alphanumeric characters and symbols, excluding ? symbol.

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