RE: But isn't that the routers job???

[Howard C. Berkowitz]

>Plus routing of packets is done more quickly when done at the Switch level
>rather than having to go through the router for every packet.

What's wrong with "going through the router," and how does routing 
through a switch differ from routing through a router?

Under what circumstances does going through a router, in an 
appropriate forwarding path, cause problems?

Hint:  the GSR is called the Gigabit Switch Router for marketing 
reasons of "switch good, router bad."

Making forwarding decisions on layer 3 information is routing. Period.

There are more and less hardware intensive ways to make routing 
decisions. But the actual lookup time is rarely a limiting factor.

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