The description was at best incomplete and difficult to understand.
Reported-by: "Graham, Mark" <mark.gra...@anglia.ac.uk>
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
AUTHORS | 1 +
vswitchd/vswitch.xml | 52 ++++++++++++++++++++++++++++++++++++++++------------
2 files changed, 41 insertions(+), 12 deletions(-)
diff --git a/AUTHORS b/AUTHORS
index 8fba915..28b06f8 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -283,6 +283,7 @@ Logan Rosen logatron...@gmail.com
Luca Falavigna dktrkr...@debian.org
Luiz Henrique Ozaki luiz.oz...@gmail.com
Marco d'Itri m...@linux.it
+Mark Graham mark.gra...@anglia.ac.uk
Martin Vizvary vizv...@ics.muni.cz
Marvin Pascual mar...@pascual.com.ph
Maxime Brun m.b...@alphalink.fr
diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
index 81e8b3f..e8fc271 100644
--- a/vswitchd/vswitch.xml
+++ b/vswitchd/vswitch.xml
@@ -980,18 +980,46 @@
<column name="other_config" key="forward-bpdu"
type='{"type": "boolean"}'>
- Option to allow forwarding of BPDU frames when NORMAL action is
- invoked. Frames with reserved Ethernet addresses (e.g. STP
- BPDU) will be forwarded when this option is enabled and the
- switch is not providing that functionality. If STP is enabled
- on the port, STP BPDUs will never be forwarded. If the Open
- vSwitch bridge is used to connect different 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.
-
- The following destination MAC addresss will not be forwarded when this
- option is enabled.
+
+ <p>
+ Controls forwarding of BPDU frames when NORMAL action is invoked.
+ When this option is <code>false</code> or unset, frames with reserved
+ Ethernet addresses (see table below) will not be forwarded. When
+ this option is <code>true</code>, such frames will not be treated
+ specially.
+ </p>
+
+ <p>
+ The above general rule has the following exceptions:
+ </p>
+
+ <ul>
+ <li>
+ If STP is enabled on the bridge (see the <ref column="stp_enable"
+ table="Open_vSwitch"/> column in the <ref table="Bridge"/> table),
+ the bridge processes all received STP packets and never passes them
+ to OpenFlow or forwards them. This is true even if STP is disabled
+ on an individual port.
+ </li>
+
+ <li>
+ If LLDP is enabled on an interface (see the <ref column="lldp"
+ table="Interface"/> column in the <ref table="Interface"/> table),
+ the interface processes received LLDP packets and never passes them
+ to OpenFlow or forwards them.
+ </li>
+ </ul>
+
+ <p>
+ Set this option to <code>true</code> if the Open vSwitch bridge
+ connects different Ethernet networks and does not run STP.
+ </p>
+
+ <p>
+ This option affects packets with the following destination MAC
+ addresses:
+ </p>
+
<dl>
<dt><code>01:80:c2:00:00:00</code></dt>
<dd>IEEE 802.1D Spanning Tree Protocol (STP).</dd>
--
2.1.3
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