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IEEE 802.3-2012 (3.2.3 Address fields) says:
b) The first bit (LSB) shall be used in the Destination Address field as an address type designation bit
to identify the Destination Address either as an individual or as a group address. If this bit is 0, it
shall indicate that the address field contains an individual address. If this bit is 1, it shall indicate that
the address field contains a group address that identifies none, one or more, or all of the stations
connected to the LAN. In the Source Address field, the first bit is reserved and set to 0.
c) The second bit shall be used to distinguish between locally or globally administered addresses. For
globally administered (or U, universal) addresses, the bit is set to 0. If an address is to be assigned
locally, this bit shall be set to 1. Note that for the broadcast address, this bit is also a 1.
This patch fixes MAC addresses used in tests as follows:
- set the first bit to 0
- set the second bit to 1
Reported-by: Arne Goetje <arne_goetje@accton.com>
Signed-off-by: Yuichi Ito <ito.yuichi0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
What's Ryu ========== Ryu is a component-based software defined networking framework. Ryu provides software components with well defined API that make it easy for developers to create new network management and control applications. Ryu supports various protocols for managing network devices, such as OpenFlow, Netconf, OF-config, etc. About OpenFlow, Ryu supports fully 1.0, 1.2, 1.3, 1.4 and Nicira Extensions. All of the code is freely available under the Apache 2.0 license. Ryu is fully written in Python. Quick Start =========== Installing Ryu is quite easy:: % pip install ryu If you prefer to install Ryu from the source code:: % git clone git://github.com/osrg/ryu.git % cd ryu; python ./setup.py install If you want to use Ryu with `OpenStack <http://openstack.org/>`_, please refer `detailed documents <http://ryu.readthedocs.org/en/latest/using_with_openstack.html>`_. You can create tens of thousands of isolated virtual networks without using VLAN. The Ryu application is included in OpenStack mainline as of Essex release. If you want to write your Ryu application, have a look at `Writing ryu application <http://ryu.readthedocs.org/en/latest/writing_ryu_app.html>`_ document. After writing your application, just type:: % ryu-manager yourapp.py Support ======= Ryu Official site is `<http://osrg.github.io/ryu/>`_. If you have any questions, suggestions, and patches, the mailing list is available at `ryu-devel ML <https://lists.sourceforge.net/lists/listinfo/ryu-devel>`_. `The ML archive at Gmane <http://dir.gmane.org/gmane.network.ryu.devel>`_ is also available.