Compiling Open vSwitch on CentOS 6.3

     yum install gcc make python-devel openssl-devel kernel-devel kernel-debug-devel
     wget http://openvswitch.org/releases/openvswitch-1.7.1.tar.gz
     tar xvzf openvswitch-1.7.1.tar.gz
    cd /lib/modules/2.6.32-279.el6.x86_64/
    ls
    rm build
     ln -s /usr/src/kernels/2.6.32-279.14.1.el6.x86_64/ build
    cd /home/brent/openvswitch-1.7.1

     ./configure --with-linux=/lib/modules/`uname -r`/build
     nano /openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h
     nano openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h
     ls
     yum install nano
     nano /openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h
     nano openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h
     nano /datapath/linux/compat/include/linux/skbuff.h
     ls
     updatedb &
     locate skbuff.h
     nano /home/brent/openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h
     make && make install
     nano /home/brent/openvswitch-1.7.1/datapath/linux/compat/include/linux/skbuff.h
     locate skbuff.h
     cd ..
     rm -rf openvswitch-1.7.1
     cd /home/brent/openvswitch-1.7.1
     ./configure --with-linux=/lib/modules/`uname -r`/build
     locate skbuff.h
     uname -a
     nano /usr/src/kernels/2.6.32-279.19.1.el6.x86_64/include/linux/skbuff.h
     nano datapath/linux/compat/include/linux/skbuff.h
     make && make install
     lsmod | grep bridg
    rmmod bridge
    insmod datapath/linux/openvswitch.ko
     touch /usr/local/etc/ovs-vswitchd.conf
     mkdir -p /usr/local/etc/openvswitch
     ovsdb-tool create /usr/local/etc/openvswitch/conf.db vswitchd/vswitch.ovsschema
     ovsdb-server /usr/local/etc/openvswitch/conf.db  --remote=punix:/usr/local/var/run/openvswitch/db.sock  --remote=db:Open_vSwitch,manager_options  --private-key=db:SSL,private_key  --certificate=db:SSL,certificate  --bootstrap-ca-cert=db:SSL,ca_cert --pidfile --detach --log-file
     ovs-vsctl --no-wait init
     ovs-vswitchd --pidfile --detach
     ovs-vsctl show
    ovs-vsctl add-br br0
    ovs-vsctl add-port br0 eth0
   8ovs-vsctl show
     ifconfig br0 192.168.1.102
     route add default gw 192.168.1.1
     ping 192.168.1.1
     ping 8.8.8.8
     ovs-vsctl show