From: Stephen Hemminger <stephen@networkplumber.org>
To: netdev@vger.kernel.org
Subject: Fw: [Bug 196595] New: Regression IGMP sysctl init values if not IP_MULTICAST
Date: Sat, 5 Aug 2017 21:38:46 -0700 [thread overview]
Message-ID: <20170805213846.0df6ef45@xeon-e3> (raw)
Begin forwarded message:
Date: Sat, 05 Aug 2017 23:57:48 +0000
From: bugzilla-daemon@bugzilla.kernel.org
To: stephen@networkplumber.org
Subject: [Bug 196595] New: Regression IGMP sysctl init values if not IP_MULTICAST
https://bugzilla.kernel.org/show_bug.cgi?id=196595
Bug ID: 196595
Summary: Regression IGMP sysctl init values if not IP_MULTICAST
Product: Networking
Version: 2.5
Kernel Version: 4.5 - 4.12
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: IPV4
Assignee: stephen@networkplumber.org
Reporter: vmlinuz386@gmail.com
Regression: No
I just upgraded from 4.4.x to 4.12.x and detected that igmp related settings
are not set to default values (1, 20, 10):
net.ipv4.igmp_link_local_mcast_reports = 0
net.ipv4.igmp_max_memberships = 0
net.ipv4.igmp_max_msf = 0
This is fixed if I enable IP_MULTICAST. Looks like a regression since some
changes made to "Namespaceify" commit dcd87999d415d39cf2ae510bfed6b8206d778e1c
and related commits.
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