You can confirm the current connection status of the WAN interface in Web Maintenance Console. Also,malfunctions in the WAN connection session (router malfunctions) are indicated by the status LED on the PBXitself.Malfunction Status LEDWAN connection session malfunction (router malfunction) Red Flashing• You can set 1 IP address for the WAN interface.You can manually change the IP address of the WAN interface, the protocol for obtaining the IP address,and any necessary parameters that were configured in the Easy Setup Wizard when the PBX was initiallyset up.• Selecting Disable as the connection mode for the built-in router disables it.Conditions• Only a single session is available for PPPoE.• If the protocol for setting the IP address is changed, you must perform a System Reset and restart the PBXbefore the setting can be applied.• When the built-in router is active, it serves as the default gateway on the LAN-side of the network. Thegateway address distributed by the DHCP feature will be changed to the LAN port’s IP address.• For details about what values to use for configuring the protocol for specifying an IP address, consult thenetwork administrator.• This PBX supports the PPPoE protocol in conformance with RFCs 1332, 1334, 1661, 1877, 1994, and2516.• The WAN IP address of the router must be a global address, and the WAN IP address of the Master unitmust be a fixed address. If you need to change the WAN IP address of the Master unit, change the Masterunit IP address setting at the Slave units first, and then change the WAN IP address of the Master unit.Otherwise, you will lose One-look network functionality.PC Programming Manual References27.1 Router Configuration—Setup—[1-1] Router Information27.2.1 Router Configuration—Setup—[1-2-1] WAN—Connection Settings8.6.3 DHCP Relay AgentDescriptionThe built-in router relays DHCP messages to a specified server. DHCP messages (e.g., DHCP discover)broadcast within a network segment are sent and received as unicast messages with the DHCP server set asthe relay destination.Installation Manual 3498.6.3 DHCP Relay Agent
