+function _install_openvswitch(){
+
+ echo "Installing openvswitch"
+ curl -O http://openvswitch.org/releases/openvswitch-2.5.1.tar.gz
+ mkdir -p ~/rpmbuild/SOURCES
+ cp openvswitch-2.5.1.tar.gz ~/rpmbuild/SOURCES/
+ tar -zxvf openvswitch-2.5.1.tar.gz
+ cp -r openvswitch-2.5.1 ~/rpmbuild/SOURCES/
+ rpmbuild -bb --without check ~/rpmbuild/SOURCES/openvswitch-2.5.1/rhel/openvswitch.spec
+ yum -y localinstall /root/rpmbuild/RPMS/x86_64/openvswitch-2.5.1-1.x86_64.rpm
+ systemctl start openvswitch.service
+}