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Throughput(Mpps) & Switching Capacity(Gbps) relation

Telnet-1-2
Level 1
Level 1

For  Cisco Catalyst 2960S-24PD-L  ,

Throughput is  65.5 Mpps  &  Capacity is  88 Gbps ... is there any raletion between both numbers ( ie from one number a calculation can lead to the other ) ?


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Joseph W. Doherty
Hall of Fame
Hall of Fame

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No, they are independent.  However, given the a specific number of ports, and their bandwidths, you can calculate what's necessary for maximum performance.

Your particular switch has 24 gig ports and two 10g ports, so for maximum performance it needs 44 * 2 (for duplex)  = 88 Gbps for its fabric.

Minimum size Ethernet requires 1.488 Mpps per Gbps, so 44 * 1.488 = 65.472 Mpps.

Andras Dosztal
Level 3
Level 3

Check this thread, the answer is there.

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