Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...

[karo-tx-linux.git] / Documentation / networking / ip-sysctl.txt

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 5ca567fa6b8cb1570d73c26f79ea370fdd4ca97f..7dd65c9cf7072661a22f0961753850c1dd7c74b4 100644 (file)
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1734,6 +1734,15 @@ drop_unsolicited_na - BOOLEAN
 
        By default this is turned off.
 
+enhanced_dad - BOOLEAN
+       Include a nonce option in the IPv6 neighbor solicitation messages used for
+       duplicate address detection per RFC7527. A received DAD NS will only signal
+       a duplicate address if the nonce is different. This avoids any false
+       detection of duplicates due to loopback of the NS messages that we send.
+       The nonce option will be sent on an interface unless both of
+       conf/{all,interface}/enhanced_dad are set to FALSE.
+       Default: TRUE
+
 icmp/*:
 ratelimit - INTEGER
        Limit the maximal rates for sending ICMPv6 packets.