ipv6 addrconf: add accept_dad sysctl to control DAD operation.

[net-next-2.6.git] / Documentation / networking / ip-sysctl.txt

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index dae980e8f1b9d32017f44ede5d602f5ef8d5cbfb..72f6d52e52e6e6886321fa3af37248819a41262c 100644 (file)
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1029,6 +1029,13 @@ disable_ipv6 - BOOLEAN
        Disable IPv6 operation.
        Default: FALSE (enable IPv6 operation)
 
+accept_dad - INTEGER
+       Whether to accept DAD (Duplicate Address Detection).
+       0: Disable DAD
+       1: Enable DAD (default)
+       2: Enable DAD, and disable IPv6 operation if MAC-based duplicate
+          link-local address has been found.
+
 icmp/*:
 ratelimit - INTEGER
        Limit the maximal rates for sending ICMPv6 packets.