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-rw-r--r--Documentation/networking/ip-sysctl.rst8
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diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 7890b395e629..7f75767a24f1 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -2070,6 +2070,14 @@ accept_ra_min_hop_limit - INTEGER
Default: 1
+accept_ra_min_lft - INTEGER
+ Minimum acceptable lifetime value in Router Advertisement.
+
+ RA sections with a lifetime less than this value shall be
+ ignored. Zero lifetimes stay unaffected.
+
+ Default: 0
+
accept_ra_pinfo - BOOLEAN
Learn Prefix Information in Router Advertisement.