1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 989f5538b8dd..006b39dec87d 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -731,6 +731,12 @@ accept_source_route - BOOLEAN
         default TRUE (router)
                 FALSE (host)
 
+accept_local - BOOLEAN
+        Accept packets with local source addresses. In combination with
+        suitable routing, this can be used to direct packets between two
+        local interfaces over the wire and have them accepted properly.
+        default FALSE
+
 rp_filter - INTEGER
         0 - No source validation.
         1 - Strict mode as defined in RFC3704 Strict Reverse Path