使用bond實現網卡聚合鏈路腳本:

#!/bin/bash

#創建一個名為bond0的鏈路接口

IP=192.168.101.1

GATE=192.168.101.254

ETH1=eno1

ETH2=eno2

ETH3=eno3

ETH4=eno4

modprobebonding

cat</etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0

TYPE=Bond

NAME=bond0

BONDING_MASTER=yes

BOOTPROTO=static

USERCTL=no

ONBOOT=yes

IPADDR=$IP

PREFIX=24

GATEWAY=$GATE

BONDING_OPTS="mode=1miimon=100"

EOF

cat</etc/sysconfig/network-scripts/ifcfg-bond1

DEVICE=bond1

TYPE=Bond

NAME=bond1

BONDING_MASTER=yes

USERCTL=no

BOOTPROTO=none

ONBOOT=yes

BONDING_OPTS="mode=1miimon=100"

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH1

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH1

ONBOOT=yes

MASTER=bond0

SLAVE=yes

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH2

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH2

ONBOOT=yes

MASTER=bond0

SLAVE=yes

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH3

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH3

ONBOOT=yes

MASTER=bond1

SLAVE=yes

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH4

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH4

ONBOOT=yes

MASTER=bond1

SLAVE=yes

EOF

systemctlrestartnetwork

ping$GATE-c1

reboot

#!/bin/bash

#創建一個名為bond0的鏈路接口

IP=192.168.101.1

GATE=192.168.101.254

ETH1=eno1

ETH2=eno2

ETH3=eno3

ETH4=eno4

modprobebonding

cat</etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0

TYPE=Bond

NAME=bond0

BONDING_MASTER=yes

BOOTPROTO=static

USERCTL=no

ONBOOT=yes

IPADDR=$IP

PREFIX=24

GATEWAY=$GATE

BONDING_OPTS="mode=1miimon=100"

EOF

cat</etc/sysconfig/network-scripts/ifcfg-bond1

DEVICE=bond1

TYPE=Bond

NAME=bond1

BONDING_MASTER=yes

USERCTL=no

BOOTPROTO=none

ONBOOT=yes

BONDING_OPTS="mode=1miimon=100"

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH1

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH1

ONBOOT=yes

MASTER=bond0

SLAVE=yes

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH2

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH2

ONBOOT=yes

MASTER=bond0

SLAVE=yes

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH3

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH3

ONBOOT=yes

MASTER=bond1

SLAVE=yes

EOF

cat</etc/sysconfig/network-scripts/ifcfg-$ETH4

TYPE=Ethernet

BOOTPROTO=none

DEVICE=$ETH4

ONBOOT=yes

MASTER=bond1

SLAVE=yes

EOF

systemctlrestartnetwork

ping$GATE-c1

reboot

驗證：

1.查看bond0狀態：

[root@localhost~]#cat/proc/net/bonding/bond0

EthernetChannelBondingDriver:v3.7.1(April27,2011)

BondingMode:fault-tolerance(active-backup)

PrimarySlave:None

CurrentlyActiveSlave:eno2#當前主接口

MIIStatus:up

MIIPollingInterval(ms):100

UpDelay(ms):0

DownDelay(ms):0

SlaveInterface:eno2

MIIStatus:up

Speed:1000Mbps

Duplex:full

LinkFailureCount:0

PermanentHWaddr:2c:76:8a:51:d2:09

SlavequeueID:0

SlaveInterface:eno1

MIIStatus:up

Speed:1000Mbps

Duplex:full

LinkFailureCount:0

PermanentHWaddr:2c:76:8a:51:d2:08

SlavequeueID:0

[root@localhost~]#cat/proc/net/bonding/bond0

EthernetChannelBondingDriver:v3.7.1(April27,2011)

BondingMode:fault-tolerance(active-backup)

PrimarySlave:None

CurrentlyActiveSlave:eno2#當前主接口

MIIStatus:up

MIIPollingInterval(ms):100

UpDelay(ms):0

DownDelay(ms):0

SlaveInterface:eno2

MIIStatus:up

Speed:1000Mbps

Duplex:full

LinkFailureCount:0

PermanentHWaddr:2c:76:8a:51:d2:09

SlavequeueID:0

SlaveInterface:eno1

MIIStatus:up

Speed:1000Mbps

Duplex:full

LinkFailureCount:0

PermanentHWaddr:2c:76:8a:51:d2:08

SlavequeueID:0

2.測試，宕掉當前主接口，看是否切換

[root@localhost~]#ifdowneno2

Device'eno2'successfullydisconnected.

[root@localhost~]#cat/proc/net/bonding/bond0

EthernetChannelBondingDriver:v3.7.1(April27,2011)

BondingMode:fault-tolerance(active-backup)

PrimarySlave:None

CurrentlyActiveSlave:eno1#切換成功

MIIStatus:up

MIIPollingInterval(ms):100

UpDelay(ms):0

DownDelay(ms):0

SlaveInterface:eno1

MIIStatus:up

Speed:1000Mbps

Duplex:full

LinkFailureCount:0

PermanentHWaddr:2c:76:8a:51:d2:08

SlavequeueID:0

[root@localhost~]#ifdowneno2

Device'eno2'successfullydisconnected.

[root@localhost~]#cat/proc/net/bonding/bond0

EthernetChannelBondingDriver:v3.7.1(April27,2011)

BondingMode:fault-tolerance(active-backup)

PrimarySlave:None

CurrentlyActiveSlave:eno1#切換成功

MIIStatus:up

MIIPollingInterval(ms):100

UpDelay(ms):0

DownDelay(ms):0

SlaveInterface:eno1

MIIStatus:up

Speed:1000Mbps

Duplex:full

LinkFailureCount:0

PermanentHWaddr:2c:76:8a:51:d2:08

SlavequeueID:0

詳細可參考紅帽官網

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