quick question about cisco switch, and internet

Ok, for our internet network, all we have is one gateway modem with 4 eth. ports connecting to the internet.
we have computer using internet though this one gateway, and 2 wireless internet connections running to this gateway.

Now i understand that LAN congestion can be cause by to many users on one gateway.
I also understand that switches provide more bandwidth, and break up collision domains, and broadcast domains ( if using vlans)

so my question is, can i use like my spare 2924 switch for internet connection.
For instance.

Gateway

switch

6 connnected computers

Current what i have: Gateway

4 connected computer

this would creat a colision domain for each port of the switch, and if i use vlans for each port, it could break up broadcast.

Could i be able to do this.

should i creat single Vlans, for instance: Vlan 1= Gateway and switch fa0/1
Vlan 2= Switch fa0/2 and a computer
vlan 3= switch fa0/3 and a computer

and ect and ect.

could i be able to do this, or should i keep it all on the defualt vlan.
and wouls this clear up some of the congestions i am having.??

thanks

EDIT**** my gateway is a netgear CG814W

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Comments

tiersten

The DSL/cable router will have a switch in it anyway unless its ancient. Your internet connection is going to be the bottleneck here unless you've got some crazy high speed link.

lildeezul

so if i would add a switch, there would be no benfits ??

Aaronfb

Adding a switch probably won't make a difference in this case. As already stated, your router probably has a switch built in. Are you having a problem with congestion? I can't imagine this would be the case with 3 computers connected to it...

lildeezul

yeah i found that out. My gateway has switch ports.

But i have 6 computers, (4 wired) and (2 wireless)

but i just wanted to do something neat i guess.

Could i possible do this, and still be able to connect to the internet ( just to try out)

and could i try it out using different vlans for each computer ???

APA

To route between vlans (inter-vlan routing) you need a gateway(router) in between the vlans..... (Multi-Layer Switch, Router-on-a-stick or just a plain old router between the subnets)

If you assigned the DSL modem to a specific VLAN... All the hosts must be part of that same vlan to see the modem......... As if you think about it you are segregating broadcast traffic.......

How does one find MAC addresses of hosts within same VLAN?? ARP Broadcast of course.....

Hope this helps.........