一.非橋接模式：
配置：/etc/sysconfig/network-scripts/ifcfg-eth0，如下：
device="eth0"
hwaddr="11:11:11:11:11:11"
nm_controlled="yes"
onboot="yes"
bootproto=static
ipaddr=192.168.77.103
netmask=255.255.255.0
gateway=192.168.77.1
二.橋接模式：
1.配置/etc/sysconfig/network-scripts/ifcfg-eth0，如下：
device="eth0"
type=ethernet
hwaddr="11:11:11:11:11:11"
nm_controlled="no"
onboot="yes"
#bootproto=static
#ipaddr=192.168.77.103
#netmask=255.255.255.0
#gateway=192.168.77.1
bridge=br0
2.配置/etc/sysconfig/network-scripts/ifcfg-br0，如下：
device="br0"
type=bridge
bootproto=static
ipaddr=192.168.77.103
netmask=255.255.255.0
#network=192.168.1.0
gateway=192.168.77.1
#hwaddr="11:11:11:11:11:11"
#nm_controlled="yes"
onboot="yes"
nm_controlled=no
3.[可略]配置/etc/sysconfig/network-scripts/ifcfg-eth1，如下：
device="eth1"
hwaddr="78:2b:cb:65:25:ec"
nm_controlled="yes"
onboot="yes"
bootproto=static
ipaddr=10.10.10.103
#netmask=255.255.255.0
#gateway=10.10.10.1
4.修改/etc/sysctl.conf 檔案,並增加如下：
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0
net.bridge.bridge-nf-filter-vlan-tagged=0
儲存退出。
5.重啟網路: /etc/init.d/network restart
三.查詢驗證：
1.brctl show：
bridge name bridge id stp enabled inte***ces
br0 8000.782bcb6525eb no eth0
vnet0
virbr0 8000.000000000000 yes
2.ifconfig查詢結果類似，則表明br0橋接配置成功：
[root@compute3rhel6 network-scripts]# ifconfig
br0 link encap:ethernet hwaddr 11:11:11:11:11:11
inet addr:192.168.77.103 bcast:192.168.77.255 mask:255.255.255.0
inet6 addr: fe80::1111:1111:1111:1111/64 scope:link
up broadcast running multicast mtu:1500 metric:1
rx packets:14328578 errors:0 dropped:0 overruns:0 frame:0
tx packets:4650570 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
rx bytes:4459176095 (4.1 gib) tx bytes:320844851 (305.9 mib)
eth0 link encap:ethernet hwaddr 11:11:11:11:11:11
inet6 addr: fe80::7a2b:cbff:fe65:25eb/64 scope:link
up broadcast running multicast mtu:1500 metric:1
rx packets:14338630 errors:0 dropped:0 overruns:0 frame:0
tx packets:4651391 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
rx bytes:4718080971 (4.3 gib) tx bytes:362095405 (345.3 mib)
interrupt:36 memory:da000000-da012800
eth1 link encap:ethernet hwaddr 78:2b:cb:65:25:ec
inet6 addr: 1111::1111:1111:1111:25ec/64 scope:link
up broadcast running multicast mtu:1500 metric:1
rx packets:32644 errors:0 dropped:0 overruns:0 frame:0
tx packets:445 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
rx bytes:2548629 (2.4 mib) tx bytes:41490 (40.5 kib)
interrupt:48 memory:dc000000-dc012800
lo link encap:local loopback
inet addr:127.0.0.1 mask:255.0.0.0
inet6 addr: ::1/128 scope:host
up loopback running mtu:16436 metric:1
rx packets:1028 errors:0 dropped:0 overruns:0 frame:0
tx packets:1028 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
rx bytes:1180221 (1.1 mib) tx bytes:1180221 (1.1 mib)
virbr0 link encap:ethernet hwaddr 11:11:11:11:11:11
inet addr:192.168.122.1 bcast:192.168.122.255 mask:255.255.255.0
up broadcast running multicast mtu:1500 metric:1
rx packets:0 errors:0 dropped:0 overruns:0 frame:0
tx packets:31 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
rx bytes:0 (0.0 b) tx bytes:4276 (4.1 kib)
vnet0 link encap:ethernet hwaddr 11:11:11:11:11:11
inet6 addr: 1111::1111:11:1111:1111/64 scope:link
up broadcast running multicast mtu:1500 metric:1
rx packets:70 errors:0 dropped:0 overruns:0 frame:0
tx packets:2062 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:500
rx bytes:12016 (11.7 kib) tx bytes:178631 (174.4 kib)
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