Linux bridge
Posted Vincen_shen
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CentOS bridge 配置：
1、创建br0配置文件
touch /etc/sysconfig/network-scripts/ifcfg-br0
2、修改bro配置文件
vi /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
TYPE=Bridge
BOOTPROTO=static
IPADDR=0.0.0.0
ONBOOT=yes
3、添加网卡到网桥
vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 # 把eth0添加到网桥中
TYPE=Ethernet
BOOTPROTO=static
IPADDR=0.0.0.0
ONBOOT=yes
BRIDGE=br0
Ubuntu bridge配置：
[email protected]~#vim /etc/network/interfaces
auto lo eth0 eth1 br0
iface lo inet loopback
iface br0 inet static
address 10.10.10.1
netmask 255.255.0.0
gateway 10.10.10.254
pre-up ip link set eth0 promisc on #设置混杂模式
pre-up ip link set eth1 promisc on
pre-up echo "1">/proc/sys/net/ipv4/ip_forward #启用路由转发
bridge_stp off #关闭生成树
bridge_ports eth0 eth1
brctl 命令集
[email protected]:~# brctl Usage: brctl [commands] commands: addbr <bridge> add bridge delbr <bridge> delete bridge addif <bridge> <device> add interface to bridge delif <bridge> <device> delete interface from bridge hairpin <bridge> <port> {on|off} turn hairpin on/off setageing <bridge> <time> set ageing time setbridgeprio <bridge> <prio> set bridge priority setfd <bridge> <time> set bridge forward delay sethello <bridge> <time> set hello time setmaxage <bridge> <time> set max message age setpathcost <bridge> <port> <cost> set path cost setportprio <bridge> <port> <prio> set port priority show [ <bridge> ] show a list of bridges showmacs <bridge> show a list of mac addrs showstp <bridge> show bridge stp info stp <bridge> {on|off} turn stp on/off
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