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Add missing documentation for conntrack, snat_reroute and sync_version.
Also fix up a typo, IPVS_DEBUG should be IP_VS_DEBUG.
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>
conntrack
---
Documentation/networking/ipvs-sysctl.txt | 53 +++++++++++++++++++++++++++++-
1 files changed, 52 insertions(+), 1 deletions(-)
diff --git a/Documentation/networking/ipvs-sysctl.txt
b/Documentation/networking/ipvs-sysctl.txt
index 4ccdbca..5214339 100644
--- a/Documentation/networking/ipvs-sysctl.txt
+++ b/Documentation/networking/ipvs-sysctl.txt
@@ -15,6 +15,23 @@ amemthresh - INTEGER
enabled and the variable is automatically set to 2, otherwise
the strategy is disabled and the variable is set to 1.
+conntrack - BOOLEAN
+ 0 - disabled (default)
+ not 0 - enabled
+
+ If set, maintain connection tracking entries for
+ connections handled by IPVS.
+
+ This should be enabled if connections handled by IPVS are to be
+ also handled by stateful firewall rules. That is, iptables rules
+ that make use of connection tracking. It is a performance
+ optimisation to disable this setting otherwise.
+
+ Connections handled by the IPVS FTP application module
+ will have connection tracking entries regardless of this setting.
+
+ Only available when IPVS is compiled with the CONFIG_IP_VS_NFCT
+
cache_bypass - BOOLEAN
0 - disabled (default)
not 0 - enabled
@@ -39,7 +56,7 @@ debug_level - INTEGER
11 - IPVS packet handling (ip_vs_in/ip_vs_out)
12 or more - packet traversal
- Only available when IPVS is compiled with the CONFIG_IPVS_DEBUG
+ Only available when IPVS is compiled with the CONFIG_IP_VS_DEBUG
Higher debugging levels include the messages for lower debugging
levels, so setting debug level 2, includes level 0, 1 and 2
@@ -141,3 +158,37 @@ sync_threshold - INTEGER
synchronized, every time the number of its incoming packets
modulus 50 equals the threshold. The range of the threshold is
from 0 to 49.
+
+snat_reroute - BOOLEAN
+ 0 - disabled
+ not 0 - enabled (default)
+
+ If enabled, recalculate the route of SNATed packets from
+ realservers so that they are routed as if they originate from the
+ director. Otherwise they are routed as if they are forwarded by the
+ director.
+
+ If policy routing is in effect then it is possible that the route
+ of a packet originating from a director is routed differently to a
+ packet being forwarded by the director.
+
+ If policy routing is not in effect then the recalculated route will
+ always be the same as the original route so it is an optimisation
+ to disable snat_reroute and avoid the recalculation.
+
+sync_version - INTEGER
+ default 1
+
+ The version of the synchronisation protocol used when sending
+ synchronisation messages.
+
+ 0 selects the original synchronisation protocol (version 0). This
+ shuold be used Use this when sending synchronisation messages to a
+ legacy system that only understands the original synchronisation
+ protocol.
+
+ 1 selects the current synchronisation protocol (version 1). This
+ should be used where possible.
+
+ Kernels with this sync_version entry are able to receive messages
+ of both version 1 and version 2 of the synchronisation protocol.
--
1.7.5.4
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