I have server on CentOS7, with Xen and two physical interfaces. I tried set Bridge networking but I have problem with internet connect after bridging. I 'm looking how to set bridge networking on CentOS7. # ifconfig br10: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 192.168.11.155 netmask 255.255.255.0 broadcast 192.168.11.255 ether 00:00:00:00:00:00 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 enp1s2: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.11.52 netmask 255.255.255.0 broadcast 192.168.11.255 inet6 fe80::cd14:a7e7:df0b:2498 prefixlen 64 scopeid 0x20<link> ether 00:16:35:37:ab:7b txqueuelen 1000 (Ethernet) RX packets 728931 bytes 65331642 (62.3 MiB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 31784 bytes 3008741 (2.8 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 device interrupt 17 enp9s1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 192.168.11.150 netmask 255.255.255.0 broadcast 192.168.11.255 inet6 fe80::c0b0:e3cf:73c1:f041 prefixlen 64 scopeid 0x20<link> ether 00:11:95:5f:d0:be txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1 (Local Loopback) RX packets 2 bytes 190 (190.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 2 bytes 190 (190.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:63:21:e4 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 virbr0-nic: flags=4098<BROADCAST,MULTICAST> mtu 1500 ether 52:54:00:63:21:e4 txqueuelen 1000 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0