疑问:eth0和eth1不需要地址吧,只需要给br0配置地址就行了???
[root@asg root]# cat /etc/sysconfig/network-scripts/ifcfg-br0
DEVICE=br0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.50.249
NETMASK=255.255.255.0
BROADCAST=192.168.50.255
GATEWAY=192.168.50.1
[root@asg root]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.50.249
NETMASK=255.255.255.0
BROADCAST=192.168.50.255
NETWORK=192.168.50.0
GATEWAY=192.168.50.1
[root@asg root]# cat /etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.50.221
NETMASK=255.255.255.0
BROADCAST=192.168.50.255
NETWORK=192.168.50.0
[root@asg root]# cat /etc/sysconfig/network-scripts/ifcfg-eth2
DEVICE=eth2
ONBOOT=yes
BOOTPROTO=static
IPADDR=0.0.0.0
[root@asg root]# cat /etc/sysconfig/network-scripts/ifcfg-eth3
DEVICE=eth3
ONBOOT=yes
BOOTPROTO=static
IPADDR=0.0.0.0
[root@asg root]# cat /initbr
#!/bin/sh
. /etc/sysconfig/network-scripts/ifcfg-br0
brctl addbr br0
brctl addif br0 eth0
brctl addif br0 eth1
brctl addif br0 eth2
brctl addif br0 eth3
brctl stp br0 on
ifconfig br0 ${IPADDR} netmask ${NETMASK}
route del default
route add default gw "${GATEWAY}"
[root@asg root]#
[root@asg root]# brctl show
bridge name bridge id STP enabled interfaces
br0 8000.00e04c05d492 yes eth0
eth1
eth2
eth3
本文详细介绍了在Linux系统中如何配置桥接网络。通过展示具体的配置文件内容,解释了如何为网桥br0分配IP地址,并将eth0、eth1、eth2和eth3等物理接口加入到该网桥中。此外,还涉及了启动脚本和网桥STP的启用等内容。
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