SMC SMCWGBR14-N Router Manual PDF (Setup & Configuration Guide)

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20

Example:

Wireless Networking technology enables ubiquitous communication

WPA-Enterprise

This option works with a RADIUS Server to authenticate wireless clients. Wireless clients

should have established the necessary credentials before attempting to authenticate to the

Server through this Gateway. Furthermore, it may be necessary to configure the RADIUS

Server to allow this Gateway to authenticate users.

Authentication Timeout:

Amount of time before a client will be required to re-authenticate.

RADIUS Server IP Address:

The IP address of the authentication server.

RADIUS Server Port:

The port number used to connect to the authentication server.

RADIUS Server Shared Secret:

A pass-phrase that must match with the authentication

server.

MAC Address Authentication:

If this is selected, the user must connect from the same

computer whenever logging into the wireless network.

Advanced:

Optional Backup RADIUS Server

This option enables configuration of an optional second RADIUS server. A second

RADIUS server can be used as backup for the primary RADIUS server. The second

RADIUS server is consulted only when the primary server is not available or not

responding. The fields

Second RADIUS Server IP Address

,

RADIUS Server Port

,

Second RADIUS server Shared Secret

,

Second MAC Address Authentication

provide

the corresponding parameters for the second RADIUS Server.

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21

Basic_

Network Settings

Use this section to configure the internal network settings of your router. The IP Address that is

configured here is the IP Address that you use to access the Web-based management interface. If you

change the IP Address here, you may need to adjust your PC’s network settings to access the

network again.

Router Settings

These are the settings of the LAN (Local Area Network) interface for the router. The router's

local network (LAN) settings are configured based on the IP Address and Subnet Mask

assigned in this section. The IP address is also used to access this Web-based management

interface. It is recommended that you use the default settings if you do not have an existing

network.

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22

IP Address

The IP address of your router on the local area network. Your local area network settings

are based on the address assigned here. For example, 192.168.2.1.

Subnet Mask

The subnet mask of your router on the local area network.

Local Domain Name

This entry is optional. Enter a domain name for the local network. The router's DHCP

server will give this domain name to the computers on the wireless LAN. So, for example,

if you enter

mynetwork.net

here, and you have a wireless laptop with a name of

chris

,

that laptop will be known as

chris.mynetwork.net

. Note, however, if the router's settings

specify "DHCP (Dynamic)" Address, and the router's DHCP server assigns a domain

name to the AP, that domain name will override any name you enter here.

DNS Relay

When DNS Relay is enabled, the router plays the role of a DNS server. DNS requests

sent to the router are forwarded to the ISP's DNS server. This provides a constant DNS

address that LAN computers can use, even when the router obtains a different DNS

server address from the ISP upon re-establishing the WAN connection. You should

disable DNS relay if you implement a LAN-side DNS server as a virtual server.

RIP (Routing Information Protocol)

Used to broadcast routing information among routers.

Enable RIP

Enable RIP if required by the ISP, if the LAN has multiple routers, or if the LAN has

auto-IP devices.

RIP Operating mode

This router supports both version 2 and version 1 of the RIP specification.

V1.

Use if none of the routers supports Version 2.

V2 Broadcast.

Use if some routers are capable of Version 2, but some are only capable

of Version 1.

V2 Multicast.

Use if this is the only router on the LAN or if all the routers support Version

2.

Router Metric

The additional cost of routing a packet through this router. The normal value for a simple

network is 1. This metric is added to routes learned from other routers; it is not added to

static or system routes.

Act as default router

Make this router the preferred destination for packets that are not otherwise destined.

Allow RIP updates from WAN

For security, disable this option unless required by the ISP.

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23

RIP Password

RIP Version 2 supports the use of a password to limit access to routers through the RIP

protocol. If the ISP or other LAN router requires a RIP password, enter the password here.

DHCP Server Settings

DHCP stands for Dynamic Host Configuration Protocol. The DHCP section is where you

configure the built-in DHCP Server to assign IP addresses to the computers and other devices

on your local area network (LAN).

Enable DHCP Server

Once your router is properly configured and this option is enabled, the DHCP Server will

manage the IP addresses and other network configuration information for computers and

other devices connected to your Local Area Network. There is no need for you to do this

yourself.

The computers (and other devices) connected to your LAN also need to have their TCP/IP

configuration set to "DHCP" or "Obtain an IP address automatically".

When you set

Enable DHCP Server

, the following options are displayed.

DHCP IP Address Range

These two IP values (

from

and

to

) define a range of IP addresses that the DHCP Server

uses when assigning addresses to computers and devices on your Local Area Network.

Any addresses that are outside of this range are not managed by the DHCP Server; these

could, therefore, be used for manually configured devices or devices that cannot use

DHCP to obtain network address details automatically.

It is possible for a computer or device that is manually configured to have an address that

does reside within this range. In this case the address should be reserved (see

Static

DHCP Client

below), so that the DHCP Server knows that this specific address can only

be used by a specific computer or device.

Your router, by default, has a static IP address of 192.168.2.1. This means that addresses

192.168.2.2 to 192.168.2.254 can be made available for allocation by the DHCP Server.

Example:

Your router uses 192.168.2.1 for the IP address. You've assigned a computer that you

want to designate as a Web server with a static IP address of 192.168.2.3. You've

assigned another computer that you want to designate as an FTP server with a static IP

address of 192.168.2.4. Therefore the starting IP address for your DHCP IP address

range needs to be 192.168.2.5 or greater.

Example:

Suppose you configure the DHCP Server to manage addresses From: 192.168.2.100

To: 192.168.2.199. This means that 192.168.2.3 to 192.168.2.99 and 192.168.2.200 to

192.168.2.254 are NOT managed by the DHCP Server. Computers or devices that use

addresses from these ranges are to be manually configured. Suppose you have a web

server computer that has a manually configured address of 192.168.2.100. Because

this falls within the "managed range" be sure to create a reservation for this address

and match it to the relevant computer (see

Static DHCP Client

below).

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24

DHCP Lease Time

The amount of time that a computer may have an IP address before it is required to renew

the lease. The lease functions just as a lease on an apartment would. The initial lease

designates the amount of time before the lease expires. If the tenant wishes to retain the

address when the lease is expired then a new lease is established. If the lease expires

and the address is no longer needed than another tenant may use the address.

Always Broadcast

If all the computers on the LAN successfully obtain their IP addresses from the router's

DHCP server as expected, this option can remain disabled. However, if one of the

computers on the LAN fails to obtain an IP address from the router's DHCP server, it may

have an old DHCP client that incorrectly turns off the broadcast flag of DHCP packets.

Enabling this option will cause the router to always broadcast its responses to all clients,

thereby working around the problem, at the cost of increased broadcast traffic on the LAN.

Add/Edit DHCP Reservation

This option lets you reserve IP addresses, and assign the same IP address to the network

device with the specified MAC address any time it requests an IP address. This is almost the

same as when a device has a static IP address except that the device must still request an IP

address from the router. The router will provide the device the same IP address every time.

DHCP Reservations are helpful for server computers on the local network that are hosting

applications such as Web and FTP. Servers on your network should either use a static IP

address or use this option.

Computer Name

You can assign a name for each computer that is given a reserved IP address. This may

help you keep track of which computers are assigned this way. Example:

Game Server

.

IP Address:

The LAN address that you want to reserve.

MAC Address

To input the MAC address of your system, enter it in manually or connect to the router's

Web-Management interface from the system and click the

Copy Your PC’s MAC

Address

button.

A MAC address is usually located on a sticker on the bottom of a network device. The

MAC address is comprised of twelve digits. Each pair of hexadecimal digits are usually

separated by dashes or colons such as 00-0D-88-11-22-33 or 00:0D:88:11:22:33. If your

network device is a computer and the network card is already located inside the computer,

you can connect to the router from the computer and click the

Copy Your PC’s MAC

Address

button to enter the MAC address.

As an alternative, you can locate a MAC address in a specific operating system by

following the steps below:

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