Connecting Multiple Computers to a Single Broadband Line

If you have multiple computers at your home or office that you want to connect to a single broadband connection, there are two basic ways to do it:

Sharing an internet connection via a hardware router
Microsoft Internet Connection Sharing (ICS)

Sharing connections via hardware router
Using a router is the best and most common way to share a broadband connection. Router is a device that works as modem and a hub at the same time. Broadband connection is plugged directly into the router and the router then distributes the connection to the computers connected to it. Furthermore the router will set up a local area network in your home or office. All computers that are connected to the router are a part of this LAN also. Routers can have wireless option allowing you wireless access to your broadband and LAN, which is definitely a great advantage that allows you to work from any place in your home or office. The prices of routers have gone down over the past few years and they cost less than 70 EUR now.

To set up your LAN and Broadband you first have to connect one of your computers to your router using a cable, after a short installation you will be able to use your broadband on any computers that are connected to your router by cable or wireless. Even though it might seem complicated, configuring a router is actually a simple task.

Microsoft Internet Connection Sharing or ICS
ICS has been implemented in widows 98, 2000, ME and XP operating systems. This standard will allow you to connect several computers on to a single broadband line. ICS is easy to set up and requires a bare minimum of hardware, however there are certain downsides to them and it should only be used as last resort. There are two basic ways of setting up ICS depending on number of computers you are connecting to your broadband, in both cases you will require an Ethernet card on each of the computers.

If you are looking to connect only two computers you can do that by simply connecting them through a LAN cable and Ethernet cards. Once you have completed the necessary hardware connections, run the set up wizard for ICS in order to set up your connection sharing.

For connecting more than two computers to a single broadband connection you will require a hub or a switch. You will connect all the computers together through the hub, including the main computer who has direct connection to broadband Internet. Downside of this entire concept is that you will have to keep Gateway computer (the one with direct internet access) always turned on in order for all others to have internet access through it. Furthermore running additional process on Gateway computer might cause performance issues. Besides certain applications are known to have problems working though ICS and others simply don't support it, which can disable you from using them.

To summarize, ICS should be used only as last resort when you don't have any other options at your disposal. Connection sharing through a router is much more comfortable and faster, even though it costs more it is well worth it.

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SBG6580 cable modem - Four in a single device for high-bandwidth wireless network

Wireless networks have become very popular in businesses and homes. The beauty of all wireless networks is the lack of wires - no cables, no problem to run the network cable. Home users can network with a lack of knowledge is now a wireless network at home with simple all-in-one router SBG6580 cable modem.

Basically, if you create a wireless network to connect to cable broadband with multiple computers at home some partiesrequires three devices. First, you need a cable modem. A modem is to convert the analog signal into digital signal and vice versa. Secondly, you need a router with firewall function. A router (firewall function) is used to protect your home network against all types of Internet threats. Furthermore, with NAT firewall function is used to be able to share a single Internet connection among multiple computers on the network. Finally, you need a wireless access point to expand the networkaccess.

The construction of a wireless network with three units by users at home, lack of networking capabilities is to look complicated. Fortunately, the technological innovations that make life easier. Motorola ships a compact device - All-in-one that combines all the requirements for the construction of the wireless network at home without problems, SBG6580 cable modem router.

What is this product

SURFboard SBG6580 is fully integrated, all-in-one cable modem router, one device forfor sharing your home networking solution wireless Internet connection via cable. Not only that, to a wireless network at home, you can also share files, share a multifunction printer (with wireless print server), play, and phone calls over the Internet.

Cable Modem function

SBG6580 is DOCSIS 3.0 cable / Euro-DOCSIS modem provides 3.o channel bonding of up to 8 channels of upstream and 4 downstream - allows the operator to their customers advanced multimedia services that canData transfer rates of well over 300 Mbps in DOCSIS and 400 Mbps in Euro-DOCSIS received (downstream) data stream and 100 Mbps upstream direction (upstream) data flow. This is the first requirement for the network.

Firewall and router function

SBG6580 Cable Modem Router supports NAT firewall to allow the IP network address translation, it means that you share a single Internet connection with multiple computers on the network behind the firewall. The modem also supports statefulFilter Packet Inspection (SPI), function for the incoming traffic to protect the network against Internet threats such as DoS (Denial of Service) attacks and malware. The modem also supports the routing function, including routes static and dynamic routing (RIPv1, RIPv2). This is the second prerequisite for the network.

Wireless Access Point

SBG6580 wireless cable modem router is the wireless access point with the latest 802.11n wireless technology with dual power supplies can be selectedFrequency band (2.4 GHz or 5 GHz) and an internal 2 x 2 antenna array, allowing users to maximize the potential of broadband networks from home or business. In addition to the wireless connection, users can also use the included 4-port Gigabit Ethernet for high-speed cable connections to your computer. This is your third requirement for the wireless network at home.

The modem also contains the DHCP service, the service is very essential for networking. The DHCP service, allThe IP configuration of all computers on the network are automatic - to reduce the administrative burden.

Unlike wired connection, wireless connection is vulnerable to interception by the user within the network coverage. Therefore, the SBG6580 supports the broad spectrum of security, including WEP-64/128, WPA-PSK, WPA, WPA2, TKIP, AES, 802.1x, 802.11i (pre-authentication). To secure the client's connection to the network, the device supports the user-friendly Wi-Fi ProtectedSetup (WPS) with easy-WPS-compatible device

The modem also supports VPN secure tunnels to create the first on your home network via the public network (also known as the Internet.) Travel users can use the private network through the Internet from any access around the world safe with L2TP.

The SBG6580 includes a tuner, advanced to a 1 GHz input, downstream operators, allows the frequency spectrum to provide new growthhigh quality services such as bandwidth on demand, business services, interactive gaming and IPTV to their customers.

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