Document the addition of a new sysctl variable which controls the
generation of IGMP reports for link local multicast groups in the
224.0.0.X range.
IGMP reports for local multicast groups can now be optionally
inhibited by setting the value to zero e.g.:
echo 0 > /proc/sys/net/ipv4/igmp_link_local_mcast_reports
To retain backwards compatibility the previous behaviour is retained
by default on system boot or reverted by setting the value back to
non-zero.
Signed-off-by: Philip Downey <pdow...@brocade.com>
---
Documentation/networking/ip-sysctl.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/networking/ip-sysctl.txt
b/Documentation/networking/ip-sysctl.txt
index 5fae770..5f394d5 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -1181,6 +1181,11 @@ tag - INTEGER
Allows you to write a number, which can be used as required.
Default value is 0.
+igmp_link_local_mcast_reports - BOOLEAN
+ Enable IGMP reports for link local multicast groups in the
+ 224.0.0.X range.
+ Default TRUE
+
Alexey Kuznetsov.
kuz...@ms2.inr.ac.ru
--
1.7.10.4
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