VXLAN overlay networks with Open vSwitch.

VXLAN overlay networks with Open vSwitch.
Twitter: @davidmahler
LinkedIn: https://www.linkedin.com/in/davidmahler

Demonstration of configuring a VXLAN tunnel manually using Open vSwitch. Connecting VMs together through the tunnel, allowing logical separation of tenant traffic from each other and from the physical underlay network. Emulated with mininet (http://mininet.org)

Links:
Me
http://www.linkedin.com/in/davidmahler
Intro to Cloud Overlay Networks: http://youtu.be/Jqm_4TMmQz8
Intro to OpenFlow: http://youtu.be/l25Ukkmk6Sk
Intro to Open vSwitch: http://youtu.be/FyV4MoQ3T0I
Intro to Mininet: http://youtu.be/jmlgXaocwiE

Open vSwitch
openvswitch.org

Brent Salisbury (Network Static Blog):
http://networkstatic.net/setting-overlays-open-vswitch/

Derek Chamorro (The Random Security Guy Blog):
http://www.therandomsecurityguy.com/vxlan/

IETF Network Virtualization Overlays working group
https://datatracker.ietf.org/wg/nvo3/charter/

VXLAN IETF draft:
https://datatracker.ietf.org/wg/nvo3/charter/

Commands used:
Build tunnel (from SERVER1 shown):
ovs-vsctl add-port s1 vtep -- set interface vtep type=vxlan option:remote_ip=192.168.2.20 option:key=flow ofport_request=10

Flow entries (from SERVER1 shown)
table=1,tun_id=100,dl_dst=00:00:00:00:00:01,actions=output:1
table=1,tun_id=200,dl_dst=00:00:00:00:00:01,actions=output:2
table=1,tun_id=100,dl_dst=00:00:00:00:00:02,actions=output:10
table=1,tun_id=200,dl_dst=00:00:00:00:00:02,actions=output:10
table=1,tun_id=100,arp,nw_dst=10.0.0.1,actions=output:1
table=1,tun_id=200,arp,nw_dst=10.0.0.1,actions=output:2
table=1,tun_id=100,arp,nw_dst=10.0.0.2,actions=output:10
table=1,tun_id=200,arp,nw_dst=10.0.0.2,actions=output:10
table=1,priority=100,actions=drop

Видео VXLAN overlay networks with Open vSwitch. канала David Mahler