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-rw-r--r--Documentation/networking/ip-sysctl.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 87bbd774c2b..88efed0a533 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -789,6 +789,12 @@ mtu - INTEGER
Default Maximum Transfer Unit
Default: 1280 (IPv6 required minimum)
+router_probe_interval - INTEGER
+ Minimum interval (in seconds) between Router Probing described
+ in RFC4191.
+
+ Default: 60
+
router_solicitation_delay - INTEGER
Number of seconds to wait after interface is brought up
before sending Router Solicitations.