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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 d5910d63214d..a53bbfaff1c7 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1223,6 +1223,12 @@ drop_unicast_in_l2_multicast - BOOLEAN
1122, but is disabled by default for compatibility reasons.
Default: off (0)
+drop_gratuitous_arp - BOOLEAN
+ Drop all gratuitous ARP frames, for example if there's a known
+ good ARP proxy on the network and such frames need not be used
+ (or in the case of 802.11, must not be used to prevent attacks.)
+ Default: off (0)
+
tag - INTEGER
Allows you to write a number, which can be used as required.