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authorHangbin Liu <liuhangbin@gmail.com>2017-02-20 16:31:38 +0800
committerSimon Horman <horms@verge.net.au>2017-03-16 13:33:39 +0100
commit3c679cba588a46ba81a264673e192bbd3c92455b (patch)
tree072b0d7f9f91e88d4dc9765ea052e2fd9ae05792
parent24b444155b1e237accb2571ac656cf40c941a2a7 (diff)
downloadop-kernel-dev-3c679cba588a46ba81a264673e192bbd3c92455b.zip
op-kernel-dev-3c679cba588a46ba81a264673e192bbd3c92455b.tar.gz
ipvs: Document sysctl pmtu_disc
Document sysctl pmtu_disc based on commit 3654e61137db ("ipvs: add pmtu_disc option to disable IP DF for TUN packets"). Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: Simon Horman <horms@verge.net.au>
-rw-r--r--Documentation/networking/ipvs-sysctl.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt
index a6feecd..0568986 100644
--- a/Documentation/networking/ipvs-sysctl.txt
+++ b/Documentation/networking/ipvs-sysctl.txt
@@ -175,6 +175,14 @@ nat_icmp_send - BOOLEAN
for VS/NAT when the load balancer receives packets from real
servers but the connection entries don't exist.
+pmtu_disc - BOOLEAN
+ 0 - disabled
+ not 0 - enabled (default)
+
+ By default, reject with FRAG_NEEDED all DF packets that exceed
+ the PMTU, irrespective of the forwarding method. For TUN method
+ the flag can be disabled to fragment such packets.
+
secure_tcp - INTEGER
0 - disabled (default)
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