QoS configured, or if the port does not have a queue with the specified
ID, the default queue is used instead.
</column>
+
+ <column name="protocols">
+ List of OpenFlow protocols that may be used when negotiating a
+ connection with a controller. A default value of
+ <code>OpenFlow10</code> will be used if this column is empty.
+ </column>
</group>
<group title="Spanning Tree Configuration">
port number for the OpenFlow ``local port''). If the interface
cannot be added then Open vSwitch sets this column
to -1.</p>
+ <p>When <ref column="ofport_request"/> is not set, Open vSwitch picks
+ an appropriate value for this column and then tries to keep the value
+ constant across restarts.</p>
+ </column>
+
+ <column name="ofport_request">
+ <p>Requested OpenFlow port number for this interface. The port
+ number must be between 1 and 65279, inclusive. Some datapaths
+ cannot satisfy all requests for particular port numbers. When
+ this column is empty or the request cannot be fulfilled, the
+ system will choose a free port. The <ref column="ofport"/>
+ column reports the assigned OpenFlow port number.</p>
+ <p>The port number must be requested in the same transaction
+ that creates the port.</p>
</column>
</group>
<dt><code>gre</code></dt>
<dd>
An Ethernet over RFC 2890 Generic Routing Encapsulation over IPv4
- tunnel. See <ref group="Tunnel Options"/> for information on
- configuring GRE tunnels.
+ tunnel.
</dd>
<dt><code>ipsec_gre</code></dt>
IPsec tunnel.
</dd>
+ <dt><code>gre64</code></dt>
+ <dd>
+ It is same as GRE, but it allows 64 bit key. To store higher 32-bits
+ of key, it uses GRE protocol sequence number field. This is non
+ standard use of GRE protocol since OVS does not increment
+ sequence number for every packet at time of encap as expected by
+ standard GRE implementation. See <ref group="Tunnel Options"/>
+ for information on configuring GRE tunnels.
+ </dd>
+
+ <dt><code>ipsec_gre64</code></dt>
+ <dd>
+ Same as IPSEC_GRE except 64 bit key.
+ </dd>
+
<dt><code>capwap</code></dt>
<dd>
An Ethernet tunnel over the UDP transport portion of CAPWAP (RFC
implemented. UDP ports 58881 and 58882 are used as the source and
destination ports respectively. CAPWAP is currently supported only
with the Linux kernel datapath with kernel version 2.6.26 or later.
+
+ CAPWAP support is deprecated and will be removed no earlier than
+ February 2013.
+ </dd>
+
+ <dt><code>vxlan</code></dt>
+ <dd>
+ <p>
+ An Ethernet tunnel over the experimental, UDP-based VXLAN
+ protocol described at
+ <code>http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-02</code>.
+ VXLAN is currently supported only with the Linux kernel datapath
+ with kernel version 2.6.26 or later.
+ </p>
+ <p>
+ As an experimental protocol, VXLAN has no officially assigned UDP
+ port. Open vSwitch currently uses UDP destination port 8472.
+ The source port used for VXLAN traffic varies on a per-flow basis
+ and is in the ephemeral port range.
+ </p>
</dd>
<dt><code>patch</code></dt>
</dd>
<dt><code>null</code></dt>
- <dd>An ignored interface.</dd>
+ <dd>An ignored interface. Deprecated and slated for removal in
+ February 2013.</dd>
</dl>
</column>
</group>
<group title="Tunnel Options">
<p>
These options apply to interfaces with <ref column="type"/> of
- <code>gre</code>, <code>ipsec_gre</code>, and <code>capwap</code>.
+ <code>gre</code>, <code>ipsec_gre</code>, <code>gre64</code>,
+ <code>ipsec_gre64</code>, <code>capwap</code>, and
+ <code>vxlan</code>.
</p>
<p>
key="in_key"/> at all.
</li>
<li>
- A positive 32-bit (for GRE) or 64-bit (for CAPWAP) number. The
- tunnel receives only packets with the specified key.
+ A positive 24-bit (for VXLAN), 32-bit (for GRE) or 64-bit (for
+ CAPWAP) number. The tunnel receives only packets with the
+ specified key.
</li>
<li>
The word <code>flow</code>. The tunnel accepts packets with any
key="out_key"/> at all.
</li>
<li>
- A positive 32-bit (for GRE) or 64-bit (for CAPWAP) number. Packets
- sent through the tunnel will have the specified key.
+ A positive 24-bit (for VXLAN), 32-bit (for GRE) or 64-bit (for
+ CAPWAP) number. Packets sent through the tunnel will have the
+ specified key.
</li>
<li>
The word <code>flow</code>. Packets sent through the tunnel will
of the tunnel headers. Note that this option causes behavior that is
typically reserved for routers and therefore is not entirely in
compliance with the IEEE 802.1D specification for bridges. Default is
- enabled; set to <code>false</code> to disable.
+ disabled; set to <code>true</code> to enable. This feature is
+ deprecated and will be removed soon.
</column>
- <group title="Tunnel Options: gre only">
- <p>
- Only <code>gre</code> interfaces support these options.
- </p>
-
- <column name="options" key="header_cache" type='{"type": "boolean"}'>
- Enable caching of tunnel headers and the output path. This can lead
- to a significant performance increase without changing behavior. In
- general it should not be necessary to adjust this setting. However,
- the caching can bypass certain components of the IP stack (such as
- <code>iptables</code>) and it may be useful to disable it if these
- features are required or as a debugging measure. Default is enabled,
- set to <code>false</code> to disable.
- </column>
- </group>
-
<group title="Tunnel Options: gre and ipsec_gre only">
<p>
Only <code>gre</code> and <code>ipsec_gre</code> interfaces support
faulted otherwise.
</p>
+ <p>
+ When operating over tunnels which have no <code>in_key</code>, or an
+ <code>in_key</code> of <code>flow</code>. CFM will only accept CCMs
+ with a tunnel key of zero.
+ </p>
+
<column name="cfm_mpid">
A Maintenance Point ID (MPID) uniquely identifies each endpoint within
a Maintenance Association. The MPID is used to identify this endpoint
<column name="other_config" key="cfm_ccm_pcp"
type='{"type": "integer", "minInteger": 1, "maxInteger": 7}'>
When set, the CFM module will apply a VLAN tag to all CCMs it generates
- with the given PCP value. The VLAN ID of the tag is governed by the
+ with the given PCP value, the VLAN ID of the tag is governed by the
value of <ref column="other_config" key="cfm_ccm_vlan"/>. If
<ref column="other_config" key="cfm_ccm_vlan"/> is unset, a VLAN ID of
zero is used.
git://git.onelab.eu / sliver-openvswitch.git / blobdiff