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switch vs router question

post #1 of 23
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currently i just have my main pc connected though charter to the internet using a linksys cm100 cable modem. im looking to get a 2nd computer connected to it. now my question is would i be able to simply get a switch to do this or would i have to get a router. if i need a router i may as well just get a wireless one. im just wondering for money reasons. THX a lot
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post #2 of 23
Router, You need a router to hand out more than one local IP address

Most DSL modems have routers built into them (which can be hooked to a switch) but most cable modems only support ONE device, so you need to use a router to hand out IP addresses to more than One device.
Edited by Killam0n - 4/11/11 at 3:03pm
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post #3 of 23
In most cases a router is best, a switch would work as well but will offer much fewer features.
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post #4 of 23
Quote:
Originally Posted by Tw34k View Post
In most cases a router is best, a switch would work as well but will offer much fewer features.
please elaborate as I am looking into similar issue too.

@luckyduck : hope you dnt mind me asking that question here in your thread.
    
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post #5 of 23
Thread Starter 
Quote:
Originally Posted by leopold1985 View Post
please elaborate as I am looking into similar issue too.

@luckyduck : hope you dnt mind me asking that question here in your thread.
no ofc not. as long as questions are relatively on topic its all good
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post #6 of 23
This should explain in more detail

http://helpdeskgeek.com/networking/r...switch-vs-hub/

I would first start with a decent router and if more lan ports are needed in the future use a switch to expand its lan port count.
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post #7 of 23
Thread Starter 
Quote:
Originally Posted by Tw34k View Post
This should explain in more detail

http://helpdeskgeek.com/networking/r...switch-vs-hub/

I would first start with a decent router and if more lan ports are needed in the future use a switch to expand its lan port count.
simple yet informative. + rep. i definitely am breaking out my cisco netowork books again. sigh. i feel rly dumb. went to college for this ****. but havnt practiced it in years
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post #8 of 23
You need a router.
Most ISP's will only give you one external IP address. If you just have a switch, your LAN clients may obtain them at random but only one machine will work (as there is a limit of one address to be given). With a router you translate the ports behind a singular WAN IP in order to serve a multitude of LAN clients.

In short, simply buying a switch will not work to keep more than one device online at a time.
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post #9 of 23
Modem: Connects you to the internet. You can connect up to 1 device to the network with a modem.

Router: Routers are very fun for a few reasons. Routers connect multiple devices to the network, gives each device their own mac address and some routers have a built in firewall for protection on the internet. The routing functionality itself is to segregate a LAN from a WAN.

Switch: Switches are like routers without all the features. They connect more devices than what normal routers can connect.. i.e. like 8+ devices.

IMO. I run a Modem (Obviously lol), a Router and a Gigabit Switch. I use the Router for My PC, my mom"s PC and my Step Dad's PC. Then I hook a switch to the router to give me even more flexibility to connect more devices like Xbox 360, Printers (Unless you want them on a wireless network.) etc....

*Conclusion* Good Router, Good Modem, Good Switch and your set.
    
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post #10 of 23
Router is what you need.

I suggest this: WRT54GL

It will give you everything you need.
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