Thanks for doing the test. My conditions are different in that i have a gigabit network. The only difference in the iperf options is that i'm using -d (dualmode).
On the weekend i will have time to do a test with the NICs set to 100MBit. Sebastian Stach Am 06.06.2012 um 12:18 schrieb Miroslav Lachman: > I am running iperf for more than 11 hours without any problem. More than > 450GB were transmitted. > The NIC is connected to old 100Mbps switch and using first port (em0) in > shared mode for remote management. > > em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 > options=4219b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4,WOL_MAGIC,VLAN_HWTSO> > ether 00:25:90:73:d1:76 > inet xx.xx.xx.xx netmask 0xffffff80 broadcast xx.xx.xx.xx > media: Ethernet autoselect (100baseTX <full-duplex>) > status: active > > > The iperf command on Supermicro side was: > > # iperf -c xx.xx.xx.yy --format k -m -p 999 -t 1800 > > > The other side (Cisco UCS C200 M2) was: > > # iperf -s -p 999 > > Server listening on TCP port 999 > TCP window size: 64.0 KByte (default) > ------------------------------------------------------------ > [ 5] local 94.124.105.117 port 999 connected with 94.124.105.115 port 29787 > [ 5] 0.0-1799.8 sec 19.5 GBytes 93.0 Mbits/sec > [ 4] local 94.124.105.117 port 999 connected with 94.124.105.115 port 44792 > [ 4] 0.0-1799.9 sec 19.5 GBytes 93.1 Mbits/sec > [ 5] local 94.124.105.117 port 999 connected with 94.124.105.115 port 11327 > [ 5] 0.0-1799.9 sec 19.5 GBytes 93.0 Mbits/sec > > Both sides are running FreeBSD 8.3-RELEASE amd64 > > > Let me know if I should run iperf with different options to better simulate > your conditions where your NIC hangs. > > Miroslav Lachman _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
