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ADSL2+ Modem Router DM111PSPv2 User Manual
Advanced Configuration 4-3
v1.0, December 2008
3. By default, most routers (and all NETGEAR routers) include an active DHCP server. If this is
the case for your router, select the Off radio button to disable the DHCP server in the modem
router.
4. If you changed the LAN IP address or DHCP server setting (Table 4-1 explains the fields and
buttons on the LAN IP Setup screen), click Apply to make the new settings take effect.
Understanding the LAN IP Settings
The following table explains the fields and buttons on the LAN IP Setup screen.
Note: If you change the LAN IP address, you will lose your connection to the modem
router. You must type the new IP address into your browser address field to log
in to the modem router.
Table 4-1. LAN IP Settings
Settings Description
LAN IP Address
Configuration
Primary IP Address The LAN IP address of the modem router
Subnet Mask The LAN subnet mask of the modem router. Combined with the
IP address, the IP Subnet Mask allows a device to know which
other addresses are local to it, and which must be reached
through a gateway or modem router.
Host Name Enter the account name provided by your ISP. This might also be
called the host name.
Domain Name Enter the domain name provided by your ISP.
Secondary IP Address
and Subnet Mask
The LAN interface can have a second IP and subnet mask.
MTU The normal MTU (Maximum Transmit Unit) value for most
Ethernet networks is 1500 bytes, or 1492 Bytes for PPPoE
connections. For some ISPs you might need to reduce the MTU.
This is rarely required, and should not be done unless you are
sure it is necessary for your ISP connection.