本文摘抄自 https://www.cnblogs.com/liwanggui/p/6807212.htmlhtml
實驗環境linux
[root@localhost ~]# cat /etc/redhat-release CentOSLinux release 7.2.1511(Core) [root@localhost ~]# uname -r 3.10.0-327.el7.x86_64
linux服務器 eno33554960
與 eno50332184
兩張網卡配置 bond 步驟(若是要配置多個bond0,1…按照這個流程重複操做便可)參考vim
查看網卡信息centos
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[root@localhost ~]
# ip addr
1: lo:<LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link
/loopback
00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1
/8
scope host lo
valid_lft forever preferred_lft forever
inet6 ::1
/128
scope host
valid_lft forever preferred_lft forever
2: eno16777736:<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link
/ether
00:0c:29:07:2c:86 brd ff:ff:ff:ff:ff:ff
inet 192.168.92.11
/24
brd 192.168.92.255 scope global eno16777736
valid_lft forever preferred_lft forever
inet6 fe80::20c:29ff:fe07:2c86
/64
scope link
valid_lft forever preferred_lft forever
3: eno33554960:<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link
/ether
00:0c:29:07:2c:90 brd ff:ff:ff:ff:ff:ff
4: eno50332184:<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link
/ether
00:0c:29:07:2c:9a brd ff:ff:ff:ff:ff:ff
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[root@localhost ~]
# cd /etc/sysconfig/network-scripts/
[root@localhost network-scripts]
# mkdir /tmp/net_bak
[root@localhost network-scripts]
# cp ifcfg-*/tmp/net_bak/
[root@localhost network-scripts]
# ls /tmp/net_bak/
ifcfg-eno16777736 ifcfg-eno33554960 ifcfg-eno50332184 ifcfg-eno67109408 ifcfg-eno83886632 ifcfg-lo
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# 生成bond配置文件
[root@localhost network-scripts]
# nmcli connection add type bond ifname bond0 mode 1
# 將網卡`eno33554960`與`eno50332184`綁定到bond0
[root@localhost network-scripts]
# nmcli connection add type bond-slave ifname eno33554960 master bond0
[root@localhost network-scripts]
# nmcli connection add type bond-slave ifname eno50332184 master bond0
# 查看生成的配置文件
[root@localhost network-scripts]
# ls ifcfg-bond-*
ifcfg-bond-bond0 ifcfg-bond-slave-eno33554960 ifcfg-bond-slave-eno50332184
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bond的mode以下:bash
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[root@localhost network-scripts]
# vim ifcfg-bond-bond0
DEVICE=bond0
BONDING_OPTS=mode=active-backup
TYPE=Bond
BONDING_MASTER=
yes
BOOTPROTO=static====>將 dhcp 改成static
DEFROUTE=
yes
PEERDNS=
yes
PEERROUTES=
yes
IPV4_FAILURE_FATAL=no
IPV6INIT=
yes
IPV6_AUTOCONF=
yes
IPV6_DEFROUTE=
yes
IPV6_PEERDNS=
yes
IPV6_PEERROUTES=
yes
IPV6_FAILURE_FATAL=no
NAME=bond-bond0
UUID=af2d6662-608c-4f5d-8018-1984cc3d87ef
ONBOOT=
yes
IPADDR=192.168.92.20
# 配置 IP 地址
PREFIX=24
# 配置掩碼 也能夠使用 NETMASK=255.255.255.0
GATEWAY=192.168.92.2
# 配置網關
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Tips: 若是不想修改
bond
網絡接口配置文件能夠在第2步
的第一條命令後加上ip4 "ip地址" gw4 "網關地址"
服務器nmcli connection add type bond ifname bond0 mode 1 ip4 192.168.92.20/24 gw4 192.168.92.2
1. 查看網卡信息網絡
[root@localhost network-scripts]# ip addr show 1: lo:<LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eno16777736:<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:07:2c:86 brd ff:ff:ff:ff:ff:ff inet 192.168.92.11/24 brd 192.168.92.255 scope global eno16777736 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fe07:2c86/64 scope link valid_lft forever preferred_lft forever 3: eno33554960:<BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000 link/ether 00:0c:29:07:2c:90 brd ff:ff:ff:ff:ff:ff 4: eno50332184:<BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000 link/ether 00:0c:29:07:2c:90 brd ff:ff:ff:ff:ff:ff 31: bond0:<BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP link/ether 00:0c:29:07:2c:90 brd ff:ff:ff:ff:ff:ff inet 192.168.92.20/24 brd 192.168.92.255 scope global bond0 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fe07:2c90/64 scope link valid_lft forever preferred_lft forever
2. 查看bond信息負載均衡
[root@localhost network-scripts]# cat /proc/net/bonding/bond0 EthernetChannelBondingDriver: v3.7.1(April27,2011) BondingMode: fault-tolerance (active-backup)===> bond主備模式 PrimarySlave:None CurrentlyActiveSlave: eno33554960 ===>當前激活的網卡eno33554960 MII Status: up MII PollingInterval(ms):100 UpDelay(ms):0 DownDelay(ms):0 SlaveInterface: eno33554960 ===> bond0 組內的網卡 MII Status: up Speed:1000Mbps Duplex: full LinkFailureCount:0 Permanent HW addr:00:0c:29:07:2c:90 Slave queue ID:0 SlaveInterface: eno50332184 ===> bond0 組內的網卡 MII Status: up Speed:1000Mbps Duplex: full LinkFailureCount:0 Permanent HW addr:00:0c:29:07:2c:9a Slave queue ID:0
當咱們須要刪除bond
設備的時候,該如何刪除呢?請看下面操做工具
1.查看網絡設備oop
[root@localhost ~]# ls /sys/class/net/ bond0 bond1 bonding_masters eno16777736 eno33554960 eno50332184 eno67109408 eno83886632 lo
2.刪除bond網絡設備
直接刪除bond0,會提示無權限。
能夠經過bonding_masters文件刪除bond設備,可是bonding_masters文件是沒法直接修改的。
[root@localhost ~]# echo -bond0 >/sys/class/net/bonding_masters
echo 後面的 ‘-’ 是刪除設備,‘+’是增長設備