When I am configuring bridge connection in network getting an error, RTNETLINK answers: Operation not supported.

#  ip link add br0 type bridge

RTNETLINK answers: Operation not supported


Find your kernel name and update it,
 
# uname -a 

# vim /boot/config-2.6.32-504.16.2.el6.x86_64

Here is the most thorough list for getting iproute2 to work with your kernel, check your below config,



CONFIG_NETFILTER_NETLINK=y

CONFIG_NETFILTER_NETLINK_QUEUE=y

CONFIG_NETFILTER_NETLINK_LOG=y

CONFIG_NF_CT_NETLINK=y

CONFIG_SCSI_NETLINK=y

CONFIG_IP_ADVANCED_ROUTER=y

CONFIG_NET_SCH_INGRESS=y

CONFIG_NET_SCHED=y

CONFIG_IP_MULTIPLE_TABLES=y

CONFIG_NETFILTER_XT_TARGET_MARK=y