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-rw-r--r--Documentation/networking/ip-sysctl.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index 9f41961d11d5..4c8bbf5acfd1 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -202,6 +202,12 @@ neigh/default/unres_qlen - INTEGER
Default: 101
+neigh/default/interval_probe_time_ms - INTEGER
+ The probe interval for neighbor entries with NTF_MANAGED flag,
+ the min value is 1.
+
+ Default: 5000
+
mtu_expires - INTEGER
Time, in seconds, that cached PMTU information is kept.