strange netstat output on Intel pro/1000 netperf testing

Hi, When I using netperf to test Intel Pro/1000 performance, I got strange netstat output: #./netperf -H 10.0.0.2 TCP STREAM TEST to 10.0.0.2 on 10.0.0.2, I start netstat -w 1 , but got strange output: it seems the link is dowm and up ceaselessly. input(Total)

wscale issue on netperf testing

Hi, I am testing giga bits NICs with netperf,two machine have the same install, but when I start netperf,using tcpdump to listen,the wscale is different. giga# tcpdump -vv -n -i em0 -c 100 tcpdump: listening on em0 19:28:35.946808 10.0.0.1.49187 > 10.0.0.2.12865: S [tcp sum ok] 3414289560:34142