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Netgear Router WGT624 V2 User Manual

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Page 101

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
Network, Routing, Firewall, and Basics B-9
M-10153-01
If a device sends data to another station on the network and the destination MAC address is not yet 
recorded, ARP is used. An ARP request is broadcast onto the network. All stations on the network 
receive and read the request. The destination IP address for the chosen station is included as part of 
the message so that only the station with this IP address responds to the ARP...

Page 102

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
B-10 Network, Routing, Firewall, and Basics
M-10153-01
IP Configuration by DHCP
When an IP-based local area network is installed, each PC must be configured with an IP address. 
If the PCs need to access the Internet, they should also be configured with a gateway address and 
one or more DNS server addresses. As an alternative to manual configuration, there is a method by 
which each PC on the network can automatically obtain this...

Page 103

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
Network, Routing, Firewall, and Basics B-11
M-10153-01
Stateful Packet Inspection
Unlike simple Internet sharing routers, a firewall uses a process called stateful packet inspection to 
ensure secure firewall filtering to protect your network from attacks and intrusions. Since 
user-level applications such as FTP and web browsers can create complex patterns of network 
traffic, it is necessary for the firewall to analyze groups of...

Page 104

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
B-12 Network, Routing, Firewall, and Basics
M-10153-01
Category 5 Cable Quality
Category 5 distributed cable that meets ANSI/EIA/TIA-568-A building wiring standards can be a 
maximum of 328 feet (ft.) or 100 meters (m) in length, divided as follows:
20 ft. (6 m) between the hub and the patch panel (if used)
295 ft. (90 m) from the wiring closet to the wall outlet
10 ft. (3 m) from the wall outlet to the desktop device
The patch panel...

Page 105

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
Network, Routing, Firewall, and Basics B-13
M-10153-01 Figure B-1:  Straight-Through Twisted-Pair Cable
Figure B-2 illustrates crossover twisted pair cable.
Figure B-2:  Crossover Twisted-Pair Cable
Figure B-3:  Category 5 UTP Cable with Male RJ-45 Plug at Each End 

Page 106

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
B-14 Network, Routing, Firewall, and Basics
M-10153-01
Note: Flat “silver satin” telephone cable may have the same RJ-45 plug. However, using telephone 
cable results in excessive collisions, causing the attached port to be partitioned or disconnected 
from the network.
Uplink Switches, Crossover Cables, and MDI/MDIX Switching
In the wiring table above, the concept of transmit and receive are from the perspective of the PC, 
which is...

Page 107

Preparing Your Network C-1
M-10153-01
Appendix C
Preparing Your Network
This appendix describes how to prepare your network to connect to the Internet through the 108 
Mbps Wireless Firewall Router WGT624 v2 and how to verify the readiness of broadband Internet 
service from an Internet service provider (ISP).
Preparing Your Computers for TCP/IP Networking
Computers access the Internet using a protocol called TCP/IP (Transmission Control Protocol/
Internet Protocol). Each computer on your network must...

Page 108

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
C-2 Preparing Your Network
M-10153-01
In your IP network, each PC and the firewall must be assigned a unique IP addresses. Each PC 
must also have certain other IP configuration information such as a subnet mask (netmask), a 
domain name server (DNS) address, and a default gateway address. In most cases, you should 
install TCP/IP so that the PC obtains its specific network configuration information automatically 
from a DHCP server...

Page 109

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
Preparing Your Network C-3
M-10153-01
You must have an Ethernet adapter, the TCP/IP protocol, and Client for Microsoft Networks.
If you need to install a new adapter, follow these steps:
a.Click the Add button.
b.Select Adapter, and then click Add.
c.Select the manufacturer and model of your Ethernet adapter, and then click OK.
If you need TCP/IP:
a.Click the Add button.
b.Select Protocol, and then click Add.
c.Select Microsoft....

Page 110

Reference Manual for the 108 Mbps Wireless Firewall Router WGT624 v2
C-4 Preparing Your Network
M-10153-01
If you need Client for Microsoft Networks:
a.Click the Add button.
b.Select Client, and then click Add.
c.Select Microsoft.
d.Select Client for Microsoft Networks, and then click OK.
3.Restart your PC for the changes to take effect.
Enabling DHCP to Automatically Configure TCP/IP Settings
After the TCP/IP protocol components are installed, each PC must be assigned specific 
information about itself...
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