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-rw-r--r--Documentation/networking/ipvs-sysctl.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt
index 3ba709531adb..e6b1c025fdd8 100644
--- a/Documentation/networking/ipvs-sysctl.txt
+++ b/Documentation/networking/ipvs-sysctl.txt
@@ -157,6 +157,16 @@ expire_quiescent_template - BOOLEAN
persistence template if it is to be used to schedule a new
connection and the destination server is quiescent.
+ignore_tunneled - BOOLEAN
+ 0 - disabled (default)
+ not 0 - enabled
+
+ If set, ipvs will set the ipvs_property on all packets which are of
+ unrecognized protocols. This prevents us from routing tunneled
+ protocols like ipip, which is useful to prevent rescheduling
+ packets that have been tunneled to the ipvs host (i.e. to prevent
+ ipvs routing loops when ipvs is also acting as a real server).
+
nat_icmp_send - BOOLEAN
0 - disabled (default)
not 0 - enabled