#55 encounter the problem of network load down to 0% when using

open
nobody
5
2012-08-13
2012-08-13
No

hello:
The current iperf version I'm testing with 2.0.5,Operating system information is CentOS release 5.2 (Final)。
I use the iperf command as belows:
server execute command:
iperf -s -u
client execute command:
iperf -u -c 10.10.21.188 -i 1 -l 5K -b 1000M -t 10000000 -P 10 -d
when testing, network card load remaining 96%, but when the tests to seven or eight hours after,the network card load down to 0%。I don't know why happen it。

the network card information as belows:
class: NETWORK
bus: PCI
detached: 0
device: eth0
driver: e1000e
desc: "Intel Corporation 82573E Gigabit Ethernet Controller (Copper)"
network.hwaddr: 00:15:17:21:87:e4
vendorId: 8086
deviceId: 108c
subVendorId: 8086
subDeviceId: 348f
pciType: 1
pcidom: 0
pcibus: 3
pcidev: 0
pcifn: 0
-

[root@hh iperf-2.0.5]# ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbag
Wake-on: g
Current message level: 0x00000001 (1)
Link detected: yes

Any help is appreciated, thanks. :)

Best regards,

chenfangxian

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