This question keeps coming up.
Signed-off-by: Ben Pfaff <b...@nicira.com>
---
FAQ | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/FAQ b/FAQ
index 7488112..dcc61f2 100644
--- a/FAQ
+++ b/FAQ
@@ -832,8 +832,8 @@ A: Do you have a controller configured on br0 (as the
commands above
can refer to the answer there for more information.
-Controllers
------------
+Using OpenFlow (Manually or Via Controller)
+-------------------------------------------
Q: What versions of OpenFlow does Open vSwitch support?
@@ -1094,6 +1094,22 @@ A: To debug network behavior problems, trace the path of
a packet,
problem. If not, then follow the ARP reply back to the origin, in
reverse.
+Q: How do I make a flow drop packets?
+
+A: An empty set of actions causes a packet to be dropped. You can
+ specify an empty set of actions with "actions=" on the ovs-ofctl
+ command line. For example:
+
+ ovs-ofctl add-flow br0 priority=65535,actions=
+
+ would cause every packet entering switch br0 to be dropped.
+
+ You can write "drop" explicitly if you like. The effect is the
+ same. Thus, the following command also causes every packet
+ entering switch br0 to be dropped:
+
+ ovs-ofctl add-flow br0 priority=65535,actions=drop
+
Contact
-------
--
1.7.10.4
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