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Page 111 / 180 Scroll up to view Page 106 - 110
Settings
103
Settings
The
DNS Relay
field is configurable and displayed only if
DNS Mode
is Manual. If
DNS Mode
is
Auto, DNS Relay is enabled by default.
●
DHCP Static IP Assignment List
— You can assign a permanent IP address to a MAC address,
and view the static IP assignment list. (See “DHCP Static IP Assignment List” on page 104.)
DHCP
DHCP (Dynamic Host Control Protocol) automatically assigns an IP address to each device on the
network and manages other network configuration information for devices connected to your
network. You do not need to manually configure the IP address on each device that’s on your
network.
The assigned IP addresses are not permanent (as opposed to when using static IP).
Most ISPs (Internet Service Providers) use DHCP.
Normally, you should enable DHCP, in which case you must configure each device on the
network with one of the following:
●
TCP/IP settings set to “Obtain an IP address automatically.”
●
TCP/IP bound to the Ethernet connection with DHCP.
If DHCP is disabled, you must configure each device on the network with:
●
Fixed (permanent/static) IP address.
●
DNS server addresses (provided by Sprint).
Enabling DHCP
1.
Log in to the home page.
2.
Click
Advanced settings > Router > LAN
.
3.
Next to
DHCP Server
, select
Enable
.
Configuring DHCP
To configure DHCP settings, DHCP must be enabled (
Advanced settings > Router > LAN >
DHCP Server
).
You can set the following DHCP settings in
Advanced settings > Router > LAN
:
●
DHCP IP Address Range
— This is the starting and ending address of the range of IP addresses
available for the device to dynamically (that is, not permanently) assign to computers
connected to it.
The start address must be 192.168.0.10 or above.
The ending address must be 192.168.0.50 or below.
●
DHCP Lease Time
— This is the amount of time, in minutes, a computer can use its assigned IP
address before it is required to renew the lease. After this time is up, the computer is
automatically assigned a new dynamic IP address.
Enter a number between 2 and 10080.
Page 112 / 180
104
Settings
●
Max DHCP Clients
— This is the number of DHCP addresses that can be assigned and active at one
time. It’s recommended you set this to a number greater than the number of Wi-Fi users.
●
DNS Mode
— This specifies how the DNS servers (that the DHCP clients are to communicate with)
are obtained. (See “DNS Mode” on page 105.)
●
DHCP Static IP Assignment List
— You can assign a permanent (static) IP address to a device on
your network, and view the static IP assignment list. (See “DHCP Static IP Assignment List” below.)
DHCP Static IP Assignment List
With DHCP, IP addresses are assigned dynamically; devices typically don’t have a permanent
IP address.
However, in some cases you might want to assign a static (permanent) IP address to a device, while
still using DHCP for the rest of the devices on your network. This is also known as “DHCP reservation.”
You might want to do this with, for example, a Web server, FTP server, or media server.
Viewing the Static IP Assignment List
1.
Log in to the home page.
2.
Click
Advanced settings > Router > LAN
.
3.
Make sure DHCP is enabled (
DHCP Server
).
4.
Click
DHCP Static IP Assignment List
.
Assigning an IP Address Based on a MAC Address
1.
Follow the above steps to display the DHCP Static IP Assignment List window.
2.
In the
Hostname
field, enter a meaningful description of the device.
3.
In the
MAC Address
field, enter the MAC address of the device. (If you don’t know this address,
see “Finding the MAC Address” on page 128.)
4.
In the
IP Address
field, enter the IP address you want to assign to the device.
5.
Select the
Enable
check box to have the device use the designated IP address.
6.
Click
Add
.
7.
Click
Save
.
Removing an IP Address Based on a MAC Address
1.
Click
DHCP Static IP Assignment List
on the
LAN
panel of the
Router
tab.
2.
To keep the device information in the list (in case you want to re-enable DHCP for this MAC
address later on), clear the
Enable
check box.
— or —
To remove the device from the list:
±
Click the row that you want to remove. A row of buttons (
Delete
,
OK
,
Cancel
) appears.
±
Click
Delete
.
Page 113 / 180
Settings
105
Settings
DNS Mode
The
DNS Mode
setting specifies how the DNS servers (that the DHCP clients are to communicate
with) are obtained.
1.
Log in to the home page.
2.
Click
Advanced settings
(
).
3.
Click
Router > LAN
.
4.
Set
DNS Mode
to one of the following:
±
Auto
— The DNS server specified by Sprint is used.
DNS Relay
is enabled by default.
±
Manual
— The routing hardware assigns DHCP clients the DNS servers specified in the
Manual DNS Server #1
and
#2
fields.
Use this option to access a DNS server that provides customized addressing or if you have
a local DNS server on your network.
If
DNS Relay
is disabled, the routing hardware rejects DNS requests targeting the internal
DNS proxy.
For information on DNS Relay, see “LAN Panel” on page 101.
Port Forward Panel
Normally, incoming traffic (from the Internet) is blocked. However, port forwarding lets you forward
incoming traffic to specific ports and devices (per their local IP address) on your network. For
example, you can configure port forwarding so that:
●
You can access your Remote Desktop from the Internet (by specifying the WAN [public] IP
address that the device is using).
●
Internet users can access a Web, FTP, or email server, or gaming or Internet application hosted
by your computer.
Before you can use or configure port forwarding, you must enable it, as explained in “Enabling
Port Forwarding” on page 106.
From the
Port Forward
panel of the
Router
tab of the
Advanced Settings
window, you can:
●
Enable port forwarding for an application. (See “Enabling Port Forwarding for an Application”
on page 106.)
●
Remove an application from the port forwarding list. (See “Disabling Port Forwarding for an
Application” on page 106.)
Notes:
Port forwarding creates a security risk. When not required, port forwarding should be disabled.
Port forwarding does not apply to normal browsing, file downloading, running most online games or
other applications hosted on the Internet. (Some online games require port forwarding.)
Page 114 / 180
106
Settings
Enabling Port Forwarding
Before you can use or configure Port Forwarding, you must enable it.
1.
Log in to the home page.
2.
Click
Advanced settings > Router > Basic
.
3.
Next to
Port Forwarding
, select
Enable
.
4.
Click
Save
.
Enabling Port Forwarding for an Application
1.
Make sure you’ve enabled port forwarding. (See “Enabling Port Forwarding” on page 106.)
2.
Click
Advanced settings > Router > Port Forward
.
3.
In the last row of the table, click the
Application
field, and select the application type from the list.
The values for
Start
and
End
ports are automatically filled in.
4.
If necessary, change the range of port numbers associated with the application. Traffic will be
allowed (not blocked) if its destination port number is in the specified range.
±
In the
Start
field, enter the number that starts the port range.
±
In the
End
field, enter the number that ends the port range.
If the range consists of only one port, enter the number that you entered in the
Start
field.
5.
In the
Protocol
list, click the protocol(s) used for this application (TCP, UDP, or both).
6.
In the
IP Address
field, enter the IP address of the server to be accessed.
7.
Make sure
Enable
is selected.
8.
Click
Add
.
9.
Click
Save
.
Disabling Port Forwarding for an Application
1.
Make sure you’ve enabled port forwarding. (See “Enabling Port Forwarding” on page 106.)
2.
Click
Advanced settings > Router > Port Forward
.
3.
To keep the application in the list (in case you want to re-enable port forwarding later on), clear
the
Enable
check box.
— or —
To remove the application from the list:
±
Click the row that you want to remove. A row of buttons (
Delete
,
OK
,
Cancel
) appears.
±
Click
Delete
.
Page 115 / 180
Settings
107
Settings
Port Trigger Panel
Some applications require multiple ports open for communication, many of which may be initiated
by a computer on the WAN. Examples of this include video conferencing, VoIP (Internet
telephony), and Internet gaming.
With port triggering, the device monitors outgoing data on specific port numbers (trigger ports).
The device keeps track of the IP address of the computer that sends data on these trigger ports,
so that when incoming data on the forward ports arrives, the device sends the incoming data to
the same computer.
Before you can use or configure port triggering, you must enable it, as explained in “Enabling Port
Triggering” below.
From the
Port Trigger
panel of the
Router
tab of the
Advanced Settings
window, you can:
●
Enable port triggering for specified protocols and ports. (See “Enabling Port Triggering for
Specified Protocols and Ports” below.)
●
Remove protocols and ports from the port triggering list. (See “Removing Ports From the Port
Triggering List” on page 108.)
Enabling Port Triggering
Before you can use or configure Port Triggering, you must enable it.
1.
Log in to the home page.
2.
Click
Advanced settings > Router > Basic
.
3.
Next to
Port Triggering
, select
Enable
.
Enabling Port Triggering for Specified Protocols and Ports
1.
Make sure you've enabled port triggering. (See “Enabling Port Triggering” [above].)
2.
Click
Advanced settings > Router > Port Trigger
.
3.
In the last row of the table, in the first
Protocol
list, click the protocol(s) used by the application
for outgoing traffic (to the Internet, sent through the trigger ports).
4.
In the
Trigger Ports
field, enter the port number(s) used to determine that the application is in
use. (That is, specify the port number or range of port numbers that the application uses for
outgoing traffic. Check the user documentation for the application.)
To specify a range of port numbers, separate the start and end port number with a hyphen.
5.
In the second
Protocol
list, click the protocol(s) used by the application for incoming traffic
(from the Internet).
6.
In the
Forward Ports
field, enter the ports to forward to the computer that triggered the rule.
(That is, specify the port number or range of port numbers that the application uses for
incoming traffic. Check the user documentation for the application.)
7.
To specify a range of port numbers, separate the start and end port number with a hyphen.
8.
Make sure
Enable
is selected.

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