物理网卡:

[root@host1 ~]# cat ifcfg-eno1
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=dhcp
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=eno1
UUID=1c43599d-52dd-4211-ba91-62c0e6e187ba
DEVICE=eno1
ONBOOT=yes
NM_CONTROLLED="no"
BRIDGE="br0"

桥接网卡

[root@host ~]# cat ifcfg-br0-1
DEVICE="br0"
ONBOOT="yes"
TYPE="Bridge"
BOOTPROTO=static
IPADDR=192.168.1.219
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
#DEFROUTE=yes
NM_CONTROLLED=no
IPV6_FAILURE_FATAL=no
ZONE=public

另一组配置数据

[root@host ~]# cat ifcfg-br0
DEVICE="br0"
ONBOOT="yes"
TYPE="Bridge"
BOOTPROTO=static
IPADDR=192.168.1.219
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
DEFROUTE=yes