CentOS 7网卡网桥绑定设置
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一、网卡桥接设置：1、网卡配置文件：
[[email protected] /]# vim /etc/sysconfig/network-scripts/ifcfg-enp8s0 TYPE=Ethernet DEVICE=enp8s0 NAME=enp8s0 BOOTPROTO=none ONBOOT=yes BRIDGE=br0
2、网桥配置文件:
[[email protected] /]# vim /etc/sysconfig/network-scripts/ifcfg-br0 TYPE=Bridge DEVICE=br0 BOOTPROTO=static ONBOOT=yes IPADDR=192.168.1.200 NETMASK=255.255.255.0 GATEWAY=192.168.1.1 DNS1=114.114.114.114
二、网卡绑定设置：
1、网卡配置文件01：
[[email protected] /]# vim /etc/sysconfig/network-scripts/ifcfg-enp6s0f0 TYPE=Ethernet DEVICE=enp6s0f0 NAME=enp6s0f0 BOOTPROTO=none ONBOOT=yes USERCTL=no MASTER=bond0 SLAVE=yes
2、网卡配置文件02：
[[email protected] /]# vim /etc/sysconfig/network-scripts/ifcfg-enp6s0f1 TYPE=Ethernet DEVICE=enp6s0f1 NAME=enp6s0f1 BOOTPROTO=none ONBOOT=yes USERCTL=no MASTER=bond0 SLAVE=yes
3、网桥配置文件:
[[email protected] /]# vim /etc/sysconfig/network-scripts/ifcfg-bond0 TYPE=Ethernet DEVICE=bond0 BOOTPROTO=static ONBOOT=yes USERCTL=no IPADDR=172.16.1.216 NETMASK=255.255.255.0 GATEWAY=172.16.1.1 DNS1=114.114.114.114
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1、设置网卡
vi /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=static
IPADDR=192.168.1.2
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
DNS1=8.8.8.8
IPV6INIT=no
USERCTL=no
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
HWADDR=BC:30:5B:CB:25:5F
TYPE=Ethernet
UUID=e513c376-2c85-45a7-92ba-d14ca2225e69
ONBOOT=yes
NM_CONTROLLED=yes
BOOTPROTO=no
#IPADDR=192.168.1.115
#NETMASK=255.255.255.0
#GATEWAY=192.168.1.1
#DNS1=192.168.1.250
#DNS2=192.168.1.251
#IPV6INIT=no
USERCTL=no
BRIDGE=br0
2、关闭 NetworkManager
chkconfig NetworkManager off
service NetworkManager stop
3、重启网络
service network restart
命令：brctl
brctl --help
Usage: brctl [commands]
commands:
addbr add bridge
delbr delete bridge
addif add interface to bridge
delif delete interface from bridge
setageing set ageing time
setbridgeprio set bridge priority
setfd set bridge forward delay
sethello set hello time
setmaxage set max message age
sethashel set hash elasticity
sethashmax set hash max
setmclmc set multicast last member count
setmcrouter set multicast router
setmcsnoop set multicast snooping
setmcsqc set multicast startup query count
setmclmi set multicast last member interval
setmcmi set multicast membership interval
setmcqpi set multicast querier interval
setmcqi set multicast query interval
setmcqri set multicast query response interval
setmcqri set multicast startup query interval
setpathcost set path cost
setportprio set port priority
setportmcrouter set port multicast router
show [ ] show a list of bridges
showmacs show a list of mac addrs
showstp show bridge stp info
stp {on|off} turn stp on/off
常用：
1.创建网桥设备：brctl addbr ，eg：brctl addbr br0
2.向网桥设备添加物理网卡：brctl addif ，eg：brctl addif br0 eth0
3.从网桥中删除网卡：brctl delif ，eg：brctl delif br0 eth0
4.删除网桥：brctl delbr ，eg：brctl delbr br0
5.查看网桥配置情况：brctl show
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