NAT virtual bridge on RHELΒΆ
Create /etc/sysconfig/network-scripts/ifcfg-virbr10 with these contents:
DEVICE=virbr10
NAME=virbr10
# Change to 'no' to disable NetworkManager for this interface.
NM_CONTROLLED=yes
ONBOOT=yes
TYPE=Bridge
DELAY=2
STP=on
IPADDR=192.168.100.1
NETMASK=255.255.255.0
IPV6INIT=no
If using NetworkManager:
# nmcli connection load /etc/sysconfig/network-scripts/ifcfg-virbr10
# nmcli connection up virbr10
If using NetworkManager on Red Hat Enterprise Linux 6:
# echo "NM_BOND_BRIDGE_VLAN_ENABLED=yes" >> /etc/sysconfig/network
# service NetworkManager restart
# nmcli con up id virbr10
If not using NetworkManager:
# ifup virbr10
# ifup virbr10-dummy