[PATCH 5/5] ipvs: Document sysctl pmtu_disc
From: Simon Horman <horms@verge.net.au>
Date: 2017-03-16 12:43:37
Also in:
lvs-devel, netfilter-devel
Subsystem:
documentation, networking [general], the rest · Maintainers:
Jonathan Corbet, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Hangbin Liu <redacted>
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 <redacted>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
Documentation/networking/ipvs-sysctl.txt | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt
index a6feecd467cd..056898685d40 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)
--
2.7.0.rc3.207.g0ac5344