Broadcom BCM5788 jumbo frames? (FBSD 5.2.1)

[Marian Durkovic]

> While I have everybody's attention, what's a reasonable goal for
> throughput between two of these cards?  I broke through the 33mhz pci
> barrier and am now getting iperf results of:

Not sure about BCM chips, but good GE cards can do wire speed:

Intel PRO/1000 - controller 82547EI integrated on motherboard ASUS P4C800-E
(266 MByte/s CSA connection)

Theoretical max: 941.482 Mbit/s
TCP Window: 128 KB 

 ./nttcp -T -n1000000 147.175.1.37
     Bytes  Real s   CPU s Real-MBit/s  CPU-MBit/s   Calls  Real-C/s  CPU-C/s
l-198967296   34.81    7.68    941.3511   4267.6174 1000000  28727.76 130237.3
1-198967296   34.81    5.00    941.3099   6557.3390 1114605  32018.70 223048.2


	M.

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----   Marian Durkovic                       network  manager         ----
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----   Slovak Technical University           Tel: +421 2 524 51 301   ----
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