@@ -191,8 +191,24 @@ Q: How do I configure mirroring of all traffic to a GRE tunnel?
Q: Does Open vSwitch support ERSPAN?
- A: No. As an alternative, Open vSwitch supports mirroring to a GRE tunnel
- (see above).
+ A: Yes. ERSPAN version I and version II over IPv4 GRE and
+ IPv6 GRE tunnel are supported. See ovs-fields(7) for matching
+ and setting ERSPAN fields.
+
+ ::
+
+ $ ovs-vsctl add-br br0
+ $ #For ERSPAN type 2 (version I)
+ $ ovs-vsctl add-port br0 at_erspan0 -- \
+ set int at_erspan0 type=erspan options:key=1 \
+ options:remote_ip=172.31.1.1 \
+ options:erspan_ver=1 options:erspan_idx=1
+ $ #For ERSPAN type 3 (version II)
+ $ ovs-vsctl add-port br0 at_erspan0 -- \
+ set int at_erspan0 type=erspan options:key=1 \
+ options:remote_ip=172.31.1.1 \
+ options:erspan_ver=2 options:erspan_dir=1 \
+ options:erspan_hwid=4
Q: How do I connect two bridges?
@@ -36,6 +36,11 @@ Post-v2.9.0
ovs-appctl dpif-netdev/pmd-perf-show
* Supervision of PMD performance metrics and logging of suspicious
iterations
+ - ERSPAN:
+ * Implemented ERSPAN protocol (draft-foschiano-erspan-00.txt) for
+ both kernel datapath and userspace datapath.
+ * Added port-based and flow-based ERSPAN tunnel port support, added
+ OpenFlow rules matching ERSPAN fields. See ovs-fields(7).
v2.9.0 - 19 Feb 2018
--------------------
Update Documentation/faq/configuration.rst about ERSPAN and Update NEWS. Cc: Greg Rose <gvrose8192@gmail.com> Signed-off-by: William Tu <u9012063@gmail.com> --- Documentation/faq/configuration.rst | 20 ++++++++++++++++++-- NEWS | 5 +++++ 2 files changed, 23 insertions(+), 2 deletions(-)