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diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index dd2b12a32b73..0e51ddd9a2f1 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -1871,6 +1871,16 @@ accept_ra_defrtr - BOOLEAN
- enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ra_defrtr_metric - UNSIGNED INTEGER
+ Route metric for default route learned in Router Advertisement. This value
+ will be assigned as metric for the default route learned via IPv6 Router
+ Advertisement. Takes affect only if accept_ra_defrtr is enabled.
+
+ Possible values:
+ 1 to 0xFFFFFFFF
+
+ Default: IP6_RT_PRIO_USER i.e. 1024.
+
accept_ra_from_local - BOOLEAN
Accept RA with source-address that is found on local machine
if the RA is otherwise proper and able to be accepted.