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I have one of these switches. Its switching capacity is rated as 48Gbps non-blocking, which I suppose is a "marketing trick" made of 24-port 1Gbps on full-duplex. If I understand correctly this means I can load all 24 ports and expect 1Gbps per port. Well, this is not the case.

How to find out the real switching capacity?

Thanks

Edit: How to find out if the switch can sustain full load (48Gbps)?

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1 Answer 1

up vote 2 down vote accepted

That's exactly what it means, all ports can transmit inbound and outbound at 1Gbps - i.e. 24 x (1+1) = 48.

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Then why some enterprise switches have 144Gbps switching capacity? –  grs Jul 2 '11 at 13:23
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Because they either have either more and/or faster ports or are capable of taking more of these. –  Chopper3 Jul 2 '11 at 13:30
    
Some Cisco switches are also stackable and the big backplane is good for future grow. –  cstamas Jul 2 '11 at 15:27

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