Menu path: Setup > Network > LAN Interfaces

Here, you can configure the LAN interfaces.

Activate default interface (Ethernet)

☑ The default interface is enabled. (Default)

☐ The Ethernet interface is not enabled.

If a number of Ethernet interfaces are available, the device designated as /dev/eth0 by Linux will be used as the default interface.

Get IP from the DHCP server: The IP address of the client will be obtained automatically using DHCP. (Default)

DHCP options can be specified under DHCP Client.

Specify an IP address: The IP address and the network mask are entered manually.

IP address: IP address of the device.

Network mask: Network mask of the device.

Default gateway: IP address of the default gateway.


☑ Routing via the default gateway is enabled.

☐ Routing via the default gateway is not enabled. (Default)

Terminal name: Local name of the device. If the field is empty, the default name combined of 'ITC' with a MAC address will be generated.

Enable DNS

☑ The manual DNS configuration will be used.

☐ The DNS configuration will be carried out by DHCP or BOOTP. (Default)

Default domain: Usually the name of the local network.

Name server: IP address of the name server to be used.

Name server: IP address of an alternative name server.

Manually overwrite DHCP settings

☑ The default route, the domain name, and the DNS server will be overwritten by manual entries.

☐ Manual entries will not overwrite DHCP settings. (Default)

Dynamic DNS registration:

☑ The terminal name will be registered dynamically via the DNS or DHCP server.

☐ The terminal name will not be registered dynamically. (Default)

Dynamic DNS registration method

  • DHCP: Updates the terminal name through DHCP option 81.
  • DNS: Sends updates to the DNS server in accordance with RFC 2136.

TSIG key file for additional DNS authentication: Path to the private key if TSIG-based DDNS registration is used.