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When do you need a router?

KevinF

Senior member
How big does a network need to be before it needs a router and you can't just keep adding more switches?
 
Someone will have a much better answer than me on this, but... I would think that it is limited at most to 255 IP addresses.
 
you need a router...whenever you have to route data from subnet to subnet. The other thing a router does is divide the network into multiple broadcast domains.

fyi, I have run more then 600+ boxes on a single subnet (not that big a deal). you are thinking 255 because of class C addressing. 10.0.0.0 subnet (class A) with Subnet mask of 255.0.0.0 has a few more then 255 (10.0.0.1-10.255.255.254, and every one in between)
 
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