Signed-off-by: Jesse Gross <[email protected]>
---
FAQ | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/FAQ b/FAQ
index 1edcd94..635e548 100644
--- a/FAQ
+++ b/FAQ
@@ -641,6 +641,17 @@ A: In version 1.9.0, OVS switched to using a single
datapath that is
shared by all bridges of that type. The "ovs-appctl dpif/*"
commands provide similar functionality that is scoped by the bridge.
+Q: I created a GRE port using ovs-vsctl so why can't I send traffic or
+ see the port in the datapath?
+
+A: On Linux kernels before 3.11, the OVS GRE module and Linux GRE module
+ cannot be loaded at the same time. It is likely that on your system the
+ Linux GRE module is already loaded and blocking OVS (to confirm, check
+ dmesg for errors regarding GRE registration). To fix this, unload all
+ GRE modules that appear in lsmod as well as the Open vSwitch kernel
+ module. You can then reload the OVS module following the directions in
+ INSTALL, which will ensure that dependencies are satisfied.
+
Quality of Service (QoS)
------------------------
--
1.8.3.2
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