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To reserve an IP address:
1. Launch a web browser from a computer or WiFi device that is connected to the network.
2. Enter http://www.routerlogin.net.
A login window opens.
3. Enter the modem router user name and password.
The user name is admin.The default password is password. The user name and password are case-sensitive.
The BASIC Home page displays.
4. Select ADVANCED > Setup > LAN Setup.
The LAN Setup page displays.
5. In the Address Reservation section, click the Add button.
6. Either select a device from the Address Reservation Table by selecting the corresponding radio button or specify
the reserved IP address information:
• In the IP Address field, enter the IP address to assign to the computer or device.
Choose an IP address from the modem router’s LAN subnet, such as 192.168.1.x.
• In the MAC Address field, enter the MAC address of the computer or device.
• In the Device Name field, enter the name of the computer or device.
7. Click the Add button.
The reserved address is entered into the table on the LAN Setup page.
The reserved address is not assigned until the next time the computer or device contacts the modem router’s
DHCP server. Reboot the computer or device, or access its IP configuration and force a DHCP release and
renew.
Change a Reserved IP Address
You can change a reserved IP address entry.
To change a reserved IP address entry:
1. Launch a web browser from a computer or WiFi device that is connected to the network.
2. Enter http://www.routerlogin.net.
A login window opens.
3. Enter the modem router user name and password.
The user name is admin.The default password is password. The user name and password are case-sensitive.
The BASIC Home page displays.
Manage the WAN and LAN Network Settings
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Nighthawk X4S AC2600 WiFi VDSL/ADSL Modem Router Model D7800