</dd>
<dt><code>forward-bpdu</code></dt>
<dd>
- Option to allow forwarding of BPDU frames when NORMAL
- action if invoked. Frames with reserved Ethernet addresses
- (e.g. STP BPDU) will be forwarded when this option is enabled.
+ Option to allow forwarding of BPDU frames when NORMAL
+ action if invoked. Frames with reserved Ethernet addresses
+ (e.g. STP BPDU) will be forwarded when this option is enabled.
If the Open vSwitch bridge is used to connect different
- Ethernet networks, and if Open vSwtich node does not run STP,
- then this option should be enabled.
- Default is disabled, set to <code>true</code> to enable.
+ Ethernet networks, and if Open vSwitch node does not run STP,
+ then this option should be enabled.
+ Default is disabled, set to <code>true</code> to enable.
</dd>
</dl>
</column>
connected to. <code>active</code> ports are allowed to initiate LACP
negotiations. <code>passive</code> ports are allowed to participate
in LACP negotiations initiated by a remote switch, but not allowed to
- initiate such negotiations themselves. If unset Open vSwitch will
- choose a reasonable default. </p>
+ initiate such negotiations themselves. Defaults to <code>off</code>
+ if unset. </p>
</column>
</group>
Key-value pairs for configuring rarely used port features. The
currently defined key-value pairs are:
<dl>
- <dt><code>hwaddr</code></dt>
- <dd>An Ethernet address in the form
- <code><var>xx</var>:<var>xx</var>:<var>xx</var>:<var>xx</var>:<var>xx</var>:<var>xx</var></code>.</dd>
<dt><code>bond-rebalance-interval</code></dt>
<dd>For an SLB bonded port, the number of milliseconds between
successive attempts to rebalance the bond, that is, to
(otherwise it will be the system default, typically 64).
Default is the system default TTL.</dd>
</dl>
+ <dl>
+ <dt><code>in_key</code></dt>
+ <dd>Optional. The WSI key that received packets must contain.
+ It may either be a 64-bit number (no key and a key of 0 are
+ treated as equivalent) or the word <code>flow</code>. If
+ <code>flow</code> is specified then any key will be accepted
+ and the key will be placed in the <code>tun_id</code> field
+ for matching in the flow table. The ovs-ofctl manual page
+ contains additional information about matching fields in
+ OpenFlow flows. Default is no key.</dd>
+ </dl>
+ <dl>
+ <dt><code>out_key</code></dt>
+ <dd>Optional. The WSI key to be set on outgoing packets. It may
+ either be a 64-bit number or the word <code>flow</code>. If
+ <code>flow</code> is specified then the key may be set using
+ the <code>set_tunnel</code> Nicira OpenFlow vendor extension (0
+ is used in the absence of an action). The ovs-ofctl manual
+ page contains additional information about the Nicira OpenFlow
+ vendor extensions. Default is no key.</dd>
+ </dl>
+ <dl>
+ <dt><code>key</code></dt>
+ <dd>Optional. Shorthand to set <code>in_key</code> and
+ <code>out_key</code> at the same time.</dd>
+ </dl>
<dl>
<dt><code>df_inherit</code></dt>
<dd>Optional. If enabled, the Don't Fragment bit will be copied
configurable transmission interval.
</p>
+ <p>
+ According to the 802.1ag specification, each Maintenance Point should
+ be configured out-of-band with a list of Remote Maintenance Points it
+ should have connectivity to. Open vSwitch differs from the
+ specification in this area. It simply assumes the link is faulted if
+ no Remote Maintenance Points are reachable, and considers it not
+ faulted otherwise.
+ </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
CFM on this <ref table="Interface"/>.
</column>
- <column name="cfm_remote_mpid">
- The MPID of the remote endpoint being monitored. If this
- <ref table="Interface"/> does not have connectivity to an endpoint
- advertising the configured MPID, a fault is signalled. Must be
- configured to enable CFM on this <ref table="Interface"/>
- </column>
-
<column name="cfm_fault">
- Indicates a connectivity fault triggered by an inability to receive
- heartbeats from the remote endpoint. When a fault is triggered on
- <ref table="Interface"/>s participating in bonds, they will be
- disabled.
+ <p>
+ Indicates a connectivity fault triggered by an inability to receive
+ heartbeats from any remote endpoint. When a fault is triggered on
+ <ref table="Interface"/>s participating in bonds, they will be
+ disabled.
+ </p>
+ <p>
+ Faults can be triggered for several reasons. Most importantly they
+ are triggered when no CCMs are received for a period of 3.5 times the
+ transmission interval. Faults are also triggered when any CCMs
+ indicate that a Remote Maintenance Point is not receiving CCMs but
+ able to send them. Finally, a fault is triggered if a CCM is
+ received which indicates unexpected configuration. Notably, this
+ case arises when a CCM is received which advertises the local MPID.
+ </p>
</column>
</group>
<dd> The transmission interval of CFM heartbeats in milliseconds.
Three missed heartbeat receptions indicate a connectivity fault.
Defaults to 1000ms. </dd>
+ <dt><code>cfm_extended</code></dt>
+ <dd> When true, the CFM module operates in extended mode. This causes
+ it to use a nonstandard destination address to avoid conflicting
+ with compliant implementations which may be running concurrently on
+ the network. Furthermore, extended mode increases the accuracy of
+ the <code>cfm_interval</code> configuration parameter by breaking
+ wire compatibility with 802.1ag compliant implementations.
+ Defaults to false.</dd>
<dt><code>bond-stable-id</code></dt>
<dd> A positive integer using in <code>stable</code> bond mode to
make slave selection decisions. Allocating
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