Sierra Wireless Overdrive-Pro Router Manual PDF (Setup & Configuration Guide)

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98

Settings

From this window, you can view or adjust these settings, or perform the following actions:

●

Router IP Address

— This is the routing hardware’s IP address on the LAN.

●

Subnet Mask

— This is the routing hardware’s internal LAN subnet mask.

●

Hostname

— This is, in essence, a name you’re giving the device. (See “Host Name (Device Name)”

on page 88.)

●

Link SSID and Hostname

— With this feature you only need to remember one name when selecting

the Wi-Fi network, accessing the browser interface, or accessing the microSD card. (See “Linking

the SSID and the Host Name” on page 84.)

●

SSID

— This is the name of the Wi-Fi network. (See “SSID (Wi-Fi Network Name)” on page 83.)

●

MTU Mode

— This specifies whether optimization is used.

±

Auto

— Optimization is not used.

±

Optimized

— Optimization is used; this may improve data transmission.

●

DHCP Server

— This field enables DHCP.

●

DHCP IP Address Range

— This specifies 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.

●

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.

●

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.

±

Auto

— The DNS server specified by your service provider 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.

●

Manual DNS Server #1

and

#2

— These are the static IP addresses to use for the DNS servers (if

DNS Mode

is Manual); available only if

DNS Mode

is Manual.

●

DNS Relay

— If enabled, and if

DNS Mode

(see above) is Manual, the routing hardware assigns

DHCP clients the DNS servers specified in the

Manual DNS Server #1

and

#2

fields.

Note:

The following settings are displayed only when DHCP is enabled.

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Settings

99

Settings

If

DNS Relay

is set to Disable, the routing hardware rejects DNS requests targeting the internal

DNS proxy.

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 100.)

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 your service provider).

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.

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100

Settings

Enter a number between 2 and 10080.

●

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 101.)

●

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 122.)

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

.

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Settings

101

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 your service provider 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 97.

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 102.

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 102.)

●

Remove an application from the port forwarding list. (See “Disabling Port Forwarding for an

Application” on page 102.)

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.)

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102

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 102.)

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 102.)

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

.

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