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-rw-r--r--doc/user/zebra.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/user/zebra.rst b/doc/user/zebra.rst
index 9d927359ba..a2cf3627ac 100644
--- a/doc/user/zebra.rst
+++ b/doc/user/zebra.rst
@@ -47,6 +47,14 @@ Besides the common invocation options (:ref:`common-invocation-options`), the
.. seealso:: :ref:`vrf`
+.. option:: --v6-rr-semantics
+
+ The linux kernel is receiving the ability to use the same route
+ replacement semantics for v6 that v4 uses. If you are using a
+ kernel that supports this functionality then run *Zebra* with this
+ option and we will use Route Replace Semantics instead of delete
+ than add.
+
.. _interface-commands:
Interface Commands