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Home Networking for PCs

09/16/2009 9:04 PM

Help needed for a novice...

My brother bought a new PC and I told him to get a switch to network the two PC's together...So I unplugged the Ethernet cable (coming from the modem) from the PC and connected it to the switch. Then I connected two Ethernet cables from the switch to both PC's. I think this is correct.

The problem I'm having is that only one PC can be connected to the internet at one time (whichever is turned on first). The other PC always says 'limited or no network connection'.

What Am I doing wrong? Am I missing something? I'm sure I need to do something software wise but not sure. Please help.

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#1

Re: Home Network

09/17/2009 3:20 AM

http://compnetworking.about.com/od/homenetworking/ig/Home-Network-Diagrams/Hub-Switch-Network-Diagram.htm


" Ethernet hubs and switches cannot interface directly to an Internet connection. Instead, one computer must be designated as controlling the Internet connection and all other computers access the Internet through it. Internet connection sharing software can be installed on each computer for this purpose."

Regards Woody

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#3
In reply to #1

Re: Home Network

09/17/2009 10:37 AM

Everyone I know has this setup.

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#2

Re: Home Network

09/17/2009 8:32 AM

Daffy,

You need a "Router", not a "Switch". The difference that's causing your problem is the inclusion of a DHCP server in the router, something the switch will not have. The connected PC's "request" an IP address from the router, and the DHCP server assigns an IP to each client computer that requests one (a bit simplified to keep things short). You can probably get a wired router for about the same price as the switch, or you can go wireless. The wired router will have a bit less setup to it, and may be a bit cheaper, but you are going to find that wireless routers dominate the store shelves. If you have any questions specific to your setup, post them here, there's some here that certainly know more about networking that I do, between me and them, perhaps we can get you going in the right direction.

Tom

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#4

Re: Home Network

09/17/2009 1:29 PM

tdesmit has given good advise but there is little point to a wireless inclusion if connectivity is wired.

Yes you need a router, preferably a wired firewall/router.

Information in these previous threads may serve you well:

http://cr4.globalspec.com/thread/26854/Can-t-see-other-computers-on-the-network

http://cr4.globalspec.com/thread/30815/Three-computers-One-Internet-How-to-fix-this

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#5

Re: Home Network

09/17/2009 2:25 PM

The point of have a wireless router is so you do not have to have a 20ft ethernet cable for the other computer. I'm assuming that both computers will not be sharing the same desk. 4-port wireless router is under $30.

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#8
In reply to #5

Re: Home Network

09/18/2009 9:45 AM

Using cheap wireless routers is like cutting the bandwidth artery; it bleeds out to the detriment of the ports on the network and they are simply hackable no matter if having WPA2.

bwire

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#9
In reply to #8

Re: Home Network

09/18/2009 2:38 PM

How cheap is cheap for 100ft.

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#10
In reply to #9

Re: Home Network

09/19/2009 8:07 PM

Less than $100

One of the reasons wired is prefered.

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#6

Re: Home Networking for PCs

09/17/2009 11:37 PM

Thanks for the responses. I will change the switch to a wired router. There is no need for a wireless as the Ethernet cable is already run through the house.

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#7
In reply to #6

Re: Home Networking for PCs

09/18/2009 7:51 AM

Daffy,

Once you get the router powered up and connected, come back if you need any assistance with setting it up. They are setup by going to a specific default IP address on one of the computers that's connected to the router. As I said in the earlier post, setting up the wired router is a bit simpler than wireless, but unless you've done it before, it can be a bit confusing.

Tom

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#11

Re: Home Networking for PCs

09/22/2009 4:14 PM

hi man this is so simple, your local area network (lan) its network configuration is on authomatic DHCP configure.....now follow this step

check the status of the connected pc network i mean the IP ADDRESS, SUBNET MASK, DEFAULT GATEWAY, and the DNS SERVERS and write down their details.

use those IP ADDRESS, SUBNET MASK, DEFAULT GATEWAY, and the DNS SERVERS to configure the other pc network adapter manually if possible you can manually configure the already connected pc to prevent IP Address conflit...make sure you assigned different IP Address to each network adapter. Example: (192.168.100.2, 192.168.100.3, 192.168.100.4 e.t.c) then go to start menu, click on run and type in "ping MODEM IP -t" example: (ping 41.190.109.210 -t) to comfirm if the pc is truly on the network then you will see something like this "Reply from 41.190.109.210: bytes=32 time<1ms................" then your computer is on the network

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bayzdguru (1); bmorrow492 (1); bwire (3); daffy (1); tdesmit (2); vrbarnett (2); woodygb (1)

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