26D-Link DSL-520B ADSL2+ Modem User Manual
Section 7 - Device Info
DHCP
TheDHCPserverisenabledbydefaultfortherouter’sEthernetLANinterface.DHCPservicewillsupplyIPsettingstocomputersconguredto
automatically obtain IP settings that are connected to the router though the Ethernet port. When the router is used for DHCP it becomes the default
gatewayforDHCPclientconnectedtoit.KeepinmindthatifyouchangetheIPaddressoftherouter,youmustchangetherangeofIPaddresses
in the pool used for DHCP on the LAN.