Requested-by: Hao Zheng <hzh...@nicira.com>
---
vswitchd/vswitch.xml | 20 ++++++++++++++++++--
1 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
index 84d91da..2f9a534 100644
--- a/vswitchd/vswitch.xml
+++ b/vswitchd/vswitch.xml
@@ -372,8 +372,20 @@
<group title="OpenFlow Configuration">
<column name="controller">
- OpenFlow controller set. If unset, then no OpenFlow controllers
- will be used.
+ <p>
+ OpenFlow controller set. If unset, then no OpenFlow controllers
+ will be used.
+ </p>
+
+ <p>
+ If there are primary controllers, removing all of them clears the
+ flow table. If there are no primary controllers, adding one also
+ clears the flow table. Other changes to the set of controllers, such
+ as adding or removing a service controller, adding another primary
+ controller to supplement an existing primary controller, or removing
+ only one of two primary controllers, have no effect on the flow
+ table.
+ </p>
</column>
<column name="fail_mode">
@@ -406,6 +418,10 @@
<p>When more than one controller is configured,
<ref column="fail_mode"/> is considered only when none of the
configured controllers can be contacted.</p>
+ <p>
+ Changing <ref column="fail_mode"/> when no primary controllers are
+ configured clears the flow table.
+ </p>
</column>
<column name="datapath_id">
--
1.7.2.5
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