be included in the network to provide automatic backup paths if
the active links fails.
- <column name="stp_enable">
+ <column name="stp_enable" type='{"type": "boolean"}'>
Enable spanning tree on the bridge. By default, STP is disabled
on bridges. Bond, internal, and mirror ports are not supported
and will not participate in the spanning tree.
<group title="Rapid Spanning Tree Configuration">
In IEEE Std 802.1D, 1998 Edition, and prior editions of this standard,
- Clause 8 specified the spanning tree algorithm and protocol (STP).9 STP
+ Clause 8 specified the spanning tree algorithm and protocol (STP). STP
has now been superseded by the Rapid Spanning Tree Protocol (RSTP)
- specified in Clause 17 of the IEEE Std 802.1D, 2004 Edition.
+ specified in Clause 17 of the IEEE Std 802.1D, 2004 Edition.
The IEEE 802.1D-2004 Rapid Spanning Tree Algorithm Protocol configures
full, simple, and symmetric connectivity throughout a Bridged Local Area
- Network that comprises individual LANs interconnected by Bridges.
+ Network that comprises individual LANs interconnected by Bridges.
Like STP, RSTP is a network protocol that ensures loop-free topologies.
- It allows redundant links to be included in the network to provide
+ It allows redundant links to be included in the network to provide
automatic backup paths if the active links fails.
- <column name="rstp_enable">
+ <column name="rstp_enable" type='{"type": "boolean"}'>
Enable Rapid Spanning Tree on the bridge. By default, RSTP is disabled
on bridges. Bond, internal, and mirror ports are not supported
and will not participate in the spanning tree.
The bridge's relative priority value for determining the root
bridge (the upper 16 bits of the bridge-id). A bridge with the
lowest bridge-id is elected the root. By default, the priority
- is 0x8000 (32768). This value needs to be a multiple of 4096, otherwise
- it's rounded to the nearest inferior one.
+ is 0x8000 (32768). This value needs to be a multiple of 4096,
+ otherwise it's rounded to the nearest inferior one.
</column>
<column name="other_config" key="rstp-ageing-time"
type='{"type": "integer", "minInteger": 10, "maxInteger": 1000000}'>
- The Ageing Time parameter for the Bridge. The default value
- is 300.
+ The Ageing Time parameter for the Bridge. The default value
+ is 300 seconds.
</column>
- <column name="other_config" key="rstp-force-protocol-version">
- The Force Protocol Version parameter for the Bridge. This
- can take the value 0 (.STP Compatibility. mode) or 2
+ <column name="other_config" key="rstp-force-protocol-version"
+ type='{"type": "integer"}'>
+ The Force Protocol Version parameter for the Bridge. This
+ can take the value 0 (STP Compatibility mode) or 2
(the default, normal operation).
</column>
<column name="other_config" key="rstp-max-age"
type='{"type": "integer", "minInteger": 6, "maxInteger": 40}'>
The maximum age of the information transmitted by the Bridge
- when it is the Root Bridge. The default value is 20.
+ when it is the Root Bridge. The default value is 20.
</column>
<column name="other_config" key="rstp-forward-delay"
type='{"type": "integer", "minInteger": 4, "maxInteger": 30}'>
The delay used by STP Bridges to transition Root and Designated
- Ports to Forwarding. The default value is 15.
+ Ports to Forwarding. The default value is 15.
</column>
<column name="other_config" key="rstp-transmit-hold-count"
type='{"type": "integer", "minInteger": 1, "maxInteger": 10}'>
The Transmit Hold Count used by the Port Transmit state machine
- to limit transmission rate. The default value is 6.
- </column>
-
- <column name="other_config" key="rstp-enable">
- The RSTP enable parameter of the Port.
- </column>
-
- <column name="other_config" key="rstp-port-priority"
- type='{"type": "integer", "minInteger": 0, "maxInteger": 240}'>
- The port's relative priority value for determining the root
- port (the upper 8 bits of the port-id). A port with the lowest
- port-id is elected the root.
- By default, the port priority is 0x80 (128). This value needs
- to be a multiple of 16, otherwise it's rounded to the nearest
- inferior one.
- </column>
-
- <column name="other_config" key="rstp-port-num">
- The port's relative id for determining the root port
- (the lower 8 bits of the port-id). A port with the lowest
- port-id is elected the root.
- </column>
-
- <column name="other_config" key="rstp-port-path-cost">
- The port path cost. The Port.s contribution, when it is
- the Root Port, to the Root Path Cost for the Bridge.
+ to limit transmission rate. The default value is 6.
</column>
- <column name="other_config" key="rstp-port-admin-edge">
- The admin edge port parameter for the Port.
- </column>
-
- <column name="other_config" key="rstp-port-auto-edge">
- The auto edge port parameter for the Port.
- </column>
- <column name="other_config" key="rstp-port-mcheck">
- The mcheck port parameter for the Port.
- </column>
</group>
<group title="Other Features">
<column name="external_ids"/>
</group>
</table>
-
-
<table name="Port" table="Port or bond configuration.">
+
+ <table name="Port" table="Port or bond configuration.">
<p>A port within a <ref table="Bridge"/>.</p>
<p>Most commonly, a port has exactly one ``interface,'' pointed to by its
<ref column="interfaces"/> column. Such a port logically
speed of the link.
</column>
</group>
+
+ <group title="Rapid Spanning Tree Configuration">
+ <column name="other_config" key="rstp-enable"
+ type='{"type": "boolean"}'>
+ If rapid spanning tree is enabled on the bridge, member ports are
+ enabled by default (with the exception of bond, internal, and
+ mirror ports which do not work with RSTP). If this column's
+ value is <code>false</code> rapid spanning tree is disabled on the
+ port.
+ </column>
+
+ <column name="other_config" key="rstp-port-priority"
+ type='{"type": "integer", "minInteger": 0, "maxInteger": 240}'>
+ The port's relative priority value for determining the root
+ port, in multiples of 16. By default, the port priority is 0x80
+ (128). Any value in the lower 4 bits is rounded off. The significant
+ upper 4 bits become the upper 4 bits of the port-id. A port with the
+ lowest port-id is elected as the root.
+ </column>
+
+ <column name="other_config" key="rstp-port-num"
+ type='{"type": "integer", "minInteger": 1, "maxInteger": 4095}'>
+ The local RSTP port number, used as the lower 12 bits of the port-id.
+ By default the port numbers are assigned automatically, and typically
+ may not correspond to the OpenFlow port numbers. A port with the
+ lowest port-id is elected as the root.
+ </column>
+
+ <column name="other_config" key="rstp-port-path-cost"
+ type='{"type": "integer"}'>
+ The port path cost. The Port's contribution, when it is
+ the Root Port, to the Root Path Cost for the Bridge. By default the
+ cost is automatically calculated from the port's speed.
+ </column>
+
+ <column name="other_config" key="rstp-port-admin-edge"
+ type='{"type": "boolean"}'>
+ The admin edge port parameter for the Port. Default is
+ <code>false</code>.
+ </column>
+
+ <column name="other_config" key="rstp-port-auto-edge"
+ type='{"type": "boolean"}'>
+ The auto edge port parameter for the Port. Default is
+ <code>true</code>.
+ </column>
+
+ <column name="other_config" key="rstp-port-mcheck"
+ type='{"type": "boolean"}'>
+ <p>
+ The mcheck port parameter for the Port. Default is
+ <code>false</code>. May be set to force the Port Protocol
+ Migration state machine to transmit RST BPDUs for a
+ MigrateTime period, to test whether all STP Bridges on the
+ attached LAN have been removed and the Port can continue to
+ transmit RSTP BPDUs. Setting mcheck has no effect if the
+ Bridge is operating in STP Compatibility mode.
+ </p>
+ <p>
+ Changing the value from <code>true</code> to
+ <code>false</code> has no effect, but needs to be done if
+ this behavior is to be triggered again by subsequently
+ changing the value from <code>false</code> to
+ <code>true</code>.
+ </p>
+ </column>
+ </group>
+
<group title="Multicast Snooping">
<column name="other_config" key="mcast-snooping-flood"
type='{"type": "boolean"}'>
projects / cascardo / ovs.git / commitdiff