802.11n Wireless ADSL2/2+ Router 
ADN-4101
The following table describes the parameters on this page: 
Field 
Description 
IP Address 
Enter the IP address of LAN interface. It is recommended to use an address from 
a block that is reserved for private use. This address block is 
192.168.1.1
-
192.168.1.254
. 
Subnet Mask 
Enter the subnet mask of LAN interface. The range of subnet mask is from 
255.255.0.0
-
255.255.255.254
. 
Secondary IP 
Select it to enable the secondary LAN IP address. The two LAN IP addresses 
must be in the different network. 
LAN Port 
You can choose the LAN interface you want to configure. 
Link Speed/Duplex Mode 
You can select the following modes from the drop-downlist:
100Mbps/FullDuplex
,
100Mbps/Half Duplex
,
10Mbps/FullDuplex
,
10Mbps/Half Duplex
, 
Auto Negotiation
. 
MAC Address Control 
It is the access control based on MAC address. When selecting it, the host 
whose MAC address is listed in the 
Current Allowed MAC Address Table
can 
access the modem. 
Add 
Enter MAC address, and then click it to add a new MAC address. 
3.4.1.2 DHCP 
Dynamic Host Configuration Protocol (DHCP) allows the individual PC to obtain the TCP/IP configuration from the 
centralized DHCP server. You can configure this router as a DHCP server or disable it. The DHCP server can assign 
IP address, IP default gateway, and DNS server to DHCP clients. This router can also act as a surrogate DHCP server 
(DHCP Relay) where it relays IP address assignment from an actual real DHCP server to clients. You can enable or 
disable DHCP server. 
Click 
DHCP 
in the left pane and the page shown in the following figure appears. 
The following table describes the parameters on this page: 
Field 
Description 
DHCP Mode 
If set to 
DHCP Server
, the router can assign IP addresses, IP default gateway 
and DNS Servers to the host in Windows95, Windows NT and other operation 
systems that support the DHCP client. 
IP Pool Range 
It specifies the first and the last IP address in the IP address pool. The router 
assigns IP address that is in the IP pool range to the host. 
Show Client 
Click it, the
Active DHCP Client Table
appears. It shows IP addresses 
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