Good gigabit NIC for 4.11?

[Julian Elischer]

"."@babolo.ru wrote:

>>I've been Googling up a storm but I am having trouble finding 
>>recommendations for a good gigabit ethernet card to use with 4.11. The 
>>Intel part numbers I found in the em readme are a few years old now, and 
>>I can't quite determine how happy people are with other chipsets despite 
>>my searches.
>>
>>I'm looking for a basic PCI 1-port card with jumbo frame support if 
>>possible--I can live without it. Either way, stability is much more 
>>important than performance. 
>>    
>>
>em for PCI32x33MHz works good up to 250Mbit/s, not more
>em for PCI64x66MHz works up to about 500Mbit/s without polling
>  
>

with 2 em interfaces on pci-express,  bridging between the two 
interfaces I can
bridge 930Mbits/sec. That is with filterring using ipfw on the bridge, 
testing
against a single table of 128000 entries.

(dell 2850 plus an Intel quad gig card)
I get the same thoughput even with the machine bypassed.

I haven't tried two streams going in opposite directions to see if I can 
double that,
but cpu usage is around 15%

>and drops packets at about 250Mbit/s.
>bge integrated in Tyan's dual opteron mobo works good
>up to 500Mbit/s and may be more (CPU not 100% busy)
>
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