Why should I use a switched network over routed?

Posted by SRobertJames on Server Fault See other posts from Server Fault or by SRobertJames
Published on 2011-01-16T03:10:36Z Indexed on 2011/01/16 4:55 UTC
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Filed under:

networking

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cisco

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router

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switch

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juniper

Now that routers are affordable, why should I build a network using Layer 2 switches, which degenerate to broadcasting under poor conditions, and not just use real routing at Layer 3?

Edit: Got some great replies. Let me clarify the question: Of course, at the lowest level, you want to plug your end nodes into a switch, not a router (as demonstrated by AlReece). I'm referring to switches which are used to bridge traffic between segments - that is, switches connected to other switches.

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