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http://docs.openvswitch.org/en/latest/faq/vxlan/
A: Open vSwitch currently supports the framing format for packets on the wire. There is currently no support for the multicast aspects of VXLAN. To get around the lack of multicast support, it is possible to pre-provision MAC to IP address mappings either manually or from a controller.
https://developers.redhat.com/blog/2017/06/06/open-vswitch-overview-of-802-1ad-qinq-support/
Jun 06, 2017 · Open vSwitch (OVS) recently gained support for 802.1ad (QinQ). It can be used as a lightweight alternative to tunnel technologies such as; VXLAN, GENEVE, GRE. A key advantage of QinQ is that it can make use of hardware offload features common in network interface cards (NICs). Only newer NICs support hardware offload for VXLAN and […]
http://openvswitch.org/features/
Multiple tunneling protocols (GRE, VXLAN, STT, and Geneve, with IPsec support) Remote configuration protocol with C and Python bindings Kernel and user-space forwarding engine options
http://networkstatic.net/configuring-vxlan-and-gre-tunnels-on-openvswitch/
Jul 02, 2012 · If you would prefer to install using packages check out this post. It will install an older version that may or may not support VXLAN framing depending on the timeline. It will support GRE. OpenvSwitch Configure from Packages and Attaching to a Floodlight OpenFlow Controller →
https://docs.openstack.org/newton/networking-guide/deploy-ovs-selfservice.html
Open vSwitch: Self-service networks¶. This architecture example augments Open vSwitch: Provider networks to support a nearly limitless quantity of entirely virtual networks. Although the Networking service supports VLAN self-service networks, this example focuses on VXLAN self-service networks.
http://docs.openvswitch.org/en/latest/intro/install/userspace/
Open vSwitch without Kernel Support¶ Open vSwitch can operate, at a cost in performance, entirely in userspace, without assistance from a kernel module. This file explains how to install Open vSwitch in such a mode. This version of Open vSwitch should be built manually with configure and make. Debian packaging for Open vSwitch is also included ...
http://docs.openvswitch.org/en/latest/howto/vtep/
How to Use the VTEP Emulator ... VTEPs are the entities that handle VXLAN frame encapsulation and decapsulation in a network. ... Follow the instructions in Debian Packaging for Open vSwitch and then install the openvswitch-vtep package (if operating on a debian based machine). This will automatically start the daemons.
https://www.openvswitch.org/
What is Open vSwitch? Open vSwitch is a production quality, multilayer virtual switch licensed under the open source Apache 2.0 license. It is designed to enable massive network automation through programmatic extension, while still supporting standard management interfaces and protocols (e.g. NetFlow, sFlow, IPFIX, RSPAN, CLI, LACP, 802.1ag).
http://docs.openvswitch.org/en/latest/faq/configuration/
If your version is DPDK-enabled it may support the dpdk_version and dpdk_initialized keys in the configuration database. Earlier versions of Open vSwitch only supported the other-config:dpdk-init key in the configuration in the database.
http://www.opencloudblog.com/?p=300
My recommendation is, to use different ranges for vlans, vxlan tunnelid’s (vni’s) and gre id’s. This leads to the following setup as shown in the drawing (without showing the second compute node), which is using eth1 as the IP interface to transport the VXLAN traffic and br-ex to attach the routers to the public address pool 198.18.1.0/24.
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