========phanx.com========
Author: phanx
Updated: 2014-7-3
转载请保留作者信息
=========================
itpub上看到有人用iperf测试万兆网卡，速度只能到3Gb/400MB 左右，我找了台机器测试了一下，基本还是接近10Gb的。
下载，编译iperf 。老的版本是iperf 2.0.5 在
新的是iperf3系列了，在
tar xf cd iperf-3.0.3
./configure
make && make install
[root@testapp1 .libs]# iperf3 -c 192.168.1.13 -n 10G
Connecting to host 188.188.68.13, port 5201
[ 4] local 188.188.68.12 port 52339 connected to 192.168.1.13 port 5201
[ ID] Interval Transfer Bandwidth Retr Cwnd
[ 4] 0.00-1.00 sec 1.13 GBytes 9.72 Gbits/sec 0 1.57 MBytes
[ 4] 1.00-2.00 sec 1.13 GBytes 9.74 Gbits/sec 0 1.57 MBytes
[ 4] 2.00-3.00 sec 1.14 GBytes 9.75 Gbits/sec 0 1.57 MBytes
[ 4] 3.00-4.00 sec 1.13 GBytes 9.74 Gbits/sec 0 1.57 MBytes
[ 4] 4.00-5.00 sec 1.14 GBytes 9.75 Gbits/sec 0 1.57 MBytes
[ 4] 5.00-6.00 sec 1.13 GBytes 9.75 Gbits/sec 0 1.57 MBytes
[ 4] 6.00-7.00 sec 1.14 GBytes 9.76 Gbits/sec 0 1.57 MBytes
[ 4] 7.00-8.00 sec 1.14 GBytes 9.75 Gbits/sec 0 1.57 MBytes
[ 4] 8.00-8.81 sec 945 MBytes 9.72 Gbits/sec 0 1.57 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-8.81 sec 10.0 GBytes 9.74 Gbits/sec 0 sender
[ 4] 0.00-8.81 sec 10.0 GBytes 9.74 Gbits/sec receiver
iperf Done.
机器配置如下:
[root@testapp1 ~]# dmidecode |egrep "Product|Xeon\(R\)|MB$"
Product Name: PowerEdge R620
Product Name: 0D2D5F
Version: Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz
Version: Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz
Size: 4096 MB
Size: 4096 MB
Size: 4096 MB
Size: 4096 MB
Size: 4096 MB
Size: 4096 MB
Size: 4096 MB
Size: 4096 MB
[root@testapp1 .libs]# lspci|grep Ether
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet (rev 10)
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet (rev 10)
01:00.2 Ethernet controller: Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet (rev 10)
01:00.3 Ethernet controller: Broadcom Corporation NetXtreme II BCM57800 1/10 Gigabit Ethernet (rev 10)
交换机是Cisco 4900M。 改天再找个Intel的i540网卡测测。
