openvswitch from Cloud:OpenStack:Grizzly project
Select Your Operating System
Add repository and install manually
For SLE 11 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Cloud:OpenStack:Grizzly/SLE_11_SP3/Cloud:OpenStack:Grizzly.repo zypper refresh zypper install openvswitch