mode 4 定义

    IEEE 802.3ad Dynamic link aggregation.  Createsaggregation groups that share the same speed andduplex settings.  Utilizes all slaves in the activeaggregator according to the 802.3ad specification.Slave selection for outgoing traffic is done accordingto the transmit hash policy, which may be changed fromthe default simple XOR policy via the xmit_hash_policyoption, documented below.  Note that not all transmitpolicies may be 802.3ad compliant, particularly inregards to the packet mis-ordering requirements ofsection 43.2.4 of the 802.3ad standard.  Differingpeer implementations will have varying tolerances fornoncompliance.Prerequisites:1. Ethtool support in the base drivers for retrievingthe speed and duplex of each slave.2. A switch that supports IEEE 802.3ad Dynamic linkaggregation.Most switches will require some type of configurationto enable 802.3ad mode.

配置方法

eth0

DEVICE=eth0
IPV6INIT=no
MTU=1500
NM_CONTROLLED=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
BOOTPROTO=none

eth1

DEVICE=eth1
IPV6INIT=no
MTU=1500
NM_CONTROLLED=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
BOOTPROTO=none

bond0 [注, rhel6, rhel7 中, bonding 模式需要在该配置文件中进行指定]
由于当前用于 docker container , 因此用到 openvswitch 作为容器之间的网络转换

DEVICE=bond0
BOOTPROTO=none
ONBOOT=yes
BONDING_MASTER=yes
BONDING_OPTS="miimon=100 mode=4 lacp_rate=fast xmit_hash_policy=layer2+3"
TYPE=OVSPort
DEVICETYPE=ovs
OVS_BRIDGE=vlanbr0

bond0.vlan

DEVICE=bond0.vlan
ONBOOT=yes
TYPE=Ethernet
BOOTPROTO=none
IPADDR=x.x.x.x
NETMASK=255.255.255.0
GATEWAY=x.x.x.x
VLAN=yes

/etc/modprobe.d/bond.conf [切记配置改文件, 否则会有问题]

alias bond0 bonding

测试

iperf  server :[容器]  x.x.x.95容器 (4b085ae77152)   [宿主机位置, x.x.x.192 ]iperf client: [物理机]x.x.x.182   x.x.x.183  x.x.x.184  x.x.x.185

测试结果:

当前网络通道有 eth0,  eth1 (1000M)
多个主机并发访问,  可以同时利用 eth0,  eth1 进行网络通讯
假设在多个主机并发访问容器时候,   可能会出现,   其中一个主机独享eth0,  而其他主机在共享 eth1,
mode 4 没有负载均衡功能,   由接收方进行 hash 确定数据由那个通道进行通讯

测试过程

启动 iperf server:

[root@xxxx ~]# docker exec 4b085ae77152 /usr/bin/iperf -s -p 2345

连接 iperf server:

iperf  -c x.x.x.95 -p 2345

单主机连接

[  4] local 10.197.244.95 port 2345 connected with x.x.x.182 port 28680
[ ID] Interval       Transfer     Bandwidth
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 28830
[  5]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec

两次独立测试, 连接带宽最大 937Mbits/sec, 只使用到一个[随机]网卡流量

两台主机连接容器测试,

[  4] local 10.197.244.95 port 2345 connected with x.x.x.182 port 28928
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 45644
[  4]  0.0-10.0 sec   979 MBytes   818 Mbits/sec
[  5]  0.0-10.0 sec   288 MBytes   241 Mbits/sec              <- 共 1000M
[  6] local 10.197.244.95 port 2345 connected with x.x.x.182 port 29070
[  4] local 10.197.244.95 port 2345 connected with x.x.x.183 port 45762
[  6]  0.0-10.0 sec   935 MBytes   781 Mbits/sec
[  4]  0.0-10.0 sec   367 MBytes   307 Mbits/sec              <- 共 1000M
[  5] local 10.197.244.95 port 2345 connected with x.x.x.184 port 4054
[  4] local 10.197.244.95 port 2345 connected with x.x.x.183 port 45854
[  5]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec              <- 共 2000M
[  6] local 10.197.244.95 port 2345 connected with x.x.x.184 port 4524
[  4] local 10.197.244.95 port 2345 connected with x.x.x.183 port 45914
[  6]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec              <- 共 2000M
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 46148
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 6406
[  5]  0.0-10.0 sec   968 MBytes   808 Mbits/sec
[  4]  0.0-10.0 sec   444 MBytes   372 Mbits/sec              <- 共 1000M
[  6] local 10.197.244.95 port 2345 connected with x.x.x.183 port 46210
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 6878
[  6]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec              <- 共 2000M

连接时候, iperf client 会随机选择通道, 因此, 双机并发连接时候, 流量为 1000 ~ 2000 Mibits/sec

三台主机同时连接

[  5] local 10.197.244.95 port 2345 connected with x.x.x.185 port 26094
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 24020
[  6] local 10.197.244.95 port 2345 connected with x.x.x.183 port 48464
[  5]  0.0-10.0 sec   949 MBytes   793 Mbits/sec
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                      <- 独享 1000M
[  6]  0.0-10.0 sec   384 MBytes   321 Mbits/sec
[  7] local 10.197.244.95 port 2345 connected with x.x.x.185 port 26648
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 24928
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 48596
[  7]  0.0-10.0 sec   941 MBytes   786 Mbits/sec
[  4]  0.0-10.0 sec   246 MBytes   206 Mbits/sec
[  5]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                      <- 独享 1000M
[  6] local 10.197.244.95 port 2345 connected with x.x.x.185 port 27116
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 25706
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 48692
[  6]  0.0-10.0 sec   960 MBytes   802 Mbits/sec
[  4]  0.0-10.0 sec   215 MBytes   180 Mbits/sec
[  5]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                     <- 独享 1000M
[  7] local 10.197.244.95 port 2345 connected with x.x.x.185 port 27606
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 26558
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 48810
[  7]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                     <- 独享 1000M
[  4]  0.0-10.0 sec   942 MBytes   786 Mbits/sec
[  5]  0.0-10.0 sec   239 MBytes   200 Mbits/sec
[  6] local 10.197.244.95 port 2345 connected with x.x.x.186 port 4406
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 28322
[  5] local 10.197.244.95 port 2345 connected with x.x.x.182 port 33646
[  6]  0.0-10.0 sec   979 MBytes   819 Mbits/sec
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                   <- 独享 1000M
[  5]  0.0-10.0 sec   328 MBytes   275 Mbits/sec

三台主机同时连接, 流量为 1000 ~ 2000 Mibits/sec
[ 明显地, 在共享同一网络通道的两个 CLIENT 的流量并不平均 ]

四台主机测试

[  7] local 10.197.244.95 port 2345 connected with x.x.x.185 port 29964
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 30564
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 49332
[  6] local 10.197.244.95 port 2345 connected with x.x.x.182 port 34068
[  7]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                       <- 独享 1000M
[  4]  0.0-10.1 sec   563 MBytes   469 Mbits/sec
[  5]  0.0-10.0 sec   194 MBytes   163 Mbits/sec
[  6]  0.0-10.0 sec   482 MBytes   404 Mbits/sec
[  8] local 10.197.244.95 port 2345 connected with x.x.x.185 port 30360
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 31230
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 49422
[  6] local 10.197.244.95 port 2345 connected with x.x.x.182 port 34194
[  8]  0.0-10.1 sec   709 MBytes   591 Mbits/sec
[  4]  0.0-10.0 sec   206 MBytes   173 Mbits/sec
[  5]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                       <- 独享 1000M
[  6]  0.0-10.0 sec   377 MBytes   316 Mbits/sec
[  7] local 10.197.244.95 port 2345 connected with x.x.x.185 port 30682
[  4] local 10.197.244.95 port 2345 connected with x.x.x.184 port 31774
[  5] local 10.197.244.95 port 2345 connected with x.x.x.183 port 49500
[  6] local 10.197.244.95 port 2345 connected with x.x.x.182 port 34280
[  7]  0.0-10.1 sec   568 MBytes   472 Mbits/sec
[  4]  0.0-10.0 sec   157 MBytes   131 Mbits/sec
[  5]  0.0-10.0 sec   518 MBytes   434 Mbits/sec
[  6]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                       <- 独享 1000M
[  8] local 10.197.244.95 port 2345 connected with x.x.x.182 port 34408
[  4] local 10.197.244.95 port 2345 connected with x.x.x.183 port 49794
[  5] local 10.197.244.95 port 2345 connected with x.x.x.184 port 32418
[  6] local 10.197.244.95 port 2345 connected with x.x.x.185 port 31080
[  8]  0.0-10.1 sec   622 MBytes   518 Mbits/sec
[  4]  0.0-10.0 sec  1.09 GBytes   937 Mbits/sec                       <- 独享 1000M
[  5]  0.0-10.0 sec   173 MBytes   144 Mbits/sec
[  6]  0.0-10.0 sec   491 MBytes   411 Mbits/sec

四台主机同时连接, 流量为 1000 ~ 2000 Mibits/sec
[ 明显地, 三台主机在同一通道, 而另外一个主机独享流量] 即, 没有负载均衡功能

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bonding mode 4 测试