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Page 86 / 198 Scroll up to view Page 81 - 85
Manage the WAN and LAN Network
Settings
86
AC1600 WiFi Cable Modem Router
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup page displays.
6.
In the Address Reservation section, click the
Add
button.
7.
In the
IP Address
field, type the IP address to assign to the device.
Choose an IP address from the modem router’s LAN subnet, such as 192.168.0.x.
Tip:
If the computer is already on your network, you can select the
corresponding radio button from the Address Reservation Table. The
computer’s information is automatically copied into the
IP Address
,
MAC Address
, and
Device Name
fields.
8.
Type the MAC address of the device.
9.
Type a name for the device.
10.
Click the
Add
button.
The reserved address is entered into the Address Reservation Table on the LAN Setup
page.
11.
On the LAN Setup page, click the
Apply
button.
Your settings are saved.
The reserved address is not assigned until the next time the device contacts the modem
router’s DHCP server. Reboot the device or access its IP configuration and force a DHCP
release and renew.
Page 87 / 198
Manage the WAN and LAN Network
Settings
87
AC1600 WiFi Cable Modem Router
Change a Reserved IP Address
You can change the settings for a reserved IP address.
To change a reserved IP address:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup page displays.
6.
In the Address Reservation Table, select the radio button next to the reserved address that
you want to change.
7.
Click the
Edit
button.
The Address Reservation page displays.
8.
Change the settings.
9.
Click the
Apply
button.
The changes are entered into the Address Reservation Table on the LAN Setup page.
10.
On the LAN Setup page, click the
Apply
button.
Your settings are saved.
Remove an IP Address Reservation
You can remove an IP address reservation that you no longer need.
To remove an IP address reservation:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
Page 88 / 198
Manage the WAN and LAN Network
Settings
88
AC1600 WiFi Cable Modem Router
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup page displays.
6.
In the Address Reservation Table, select the radio button next to the reserved address that
you want to remove.
7.
Click the
Delete
button.
The reserved address is removed from the Address Reservation Table.
8.
Click the
Apply
button.
Your settings are saved.
Manage the IPv6 LAN Settings
You can manage the IPv6 LAN settings only if the cable Internet provider assigns an IPv6
Internet address to the modem router. If the cable Internet provider assigns only an IPv4
Internet address to the modem router, you can skip this section.
If the cable Internet provider assign an IPv6 IP address to the modem router, you can specify
how the modem router must assign IPv6 addresses to the devices on your home network
(the LAN) and you can enable or disable the IPv6 firewall.
To manage the IPv6 LAN settings:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Advanced Setup > IPv6
.
Page 89 / 198
Manage the WAN and LAN Network
Settings
89
AC1600 WiFi Cable Modem Router
In the previous figure shows, the
System Delegated Prefix
field shows an IPv6 address
and prefix that were delegated by the cable Internet provider.
Note:
If the modem router does not obtain an IPv6 address, all options onscreen
are masked out.
6.
Select an IP Address Assignment radio button:
•
Use DHCP Server
. The modem router assigns IPv6 addresses to the devices on your
home network (the LAN) through a DHCP server. This method passes more information
to LAN devices, but some IPv6 systems might not support the DHCPv6 client
function.
•
Auto Config
. The modem router configures the IPv6 addresses to the devices on your
home network automatically. This is the default setting.
7.
To disable the IPv6 firewall protection, select the
Disable IPv6 Firewall Protection
check
box.
IPv6 firewall protection can secure your network against malicious packets and is
enabled by default. NETGEAR recommends that you leave the firewall enabled to protect
your network.
8.
Click the
Apply
button.
Your settings are saved.
Page 90 / 198
Manage the WAN and LAN Network
Settings
90
AC1600 WiFi Cable Modem Router
Change the Modem Router’s Device Name
The modem router’s default device name is C6250-100NAS. This device name displays in a
file manager when you browse your network.
To change the modem router’s device name:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.
3.
Type
admin
for the user name and type your password.
If you did not yet personalize your password, type
password
for the password.
4.
Click the
OK
button.
The BASIC Home page displays.
5.
Select
ADVANCED > Setup > LAN Setup
.
The LAN Setup page displays.
6.
In the
Device Name
field, enter a new name.
7.
Click the
Apply
button.
Your settings are saved.
Manage the Built-In DHCP Server
By default, the modem router functions as a DHCP server. The modem router assigns IP,
DNS server, and default gateway addresses to all devices connected to the LAN. The
assigned default gateway address is the LAN address of the modem router.
You can use another device on your network as the DHCP server or specify the network
settings of all your computers.
Note:
If you disable the DHCP server and no other DHCP server is available
on your network, you must set your computer IP addresses manually
so that they can access the modem router.
To disable the built-in DHCP server:
1.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
2.
Type
.
A login window opens.

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