Bug 67740 – no igmp leave message is sent when setsockopt is called with IP_DROP_MEMBERSHIP

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Bug 67740 - no igmp leave message is sent when setsockopt is called with IP_DROP_MEMBERSHIP

Summary:	no igmp leave message is sent when setsockopt is called with IP_DROP_MEMBERSHIP

Status:	CLOSED CURRENTRELEASE

Aliases:	None

Product:	Red Hat Linux
Classification:	Retired
Component:	kernel (Show other bugs)
Sub Component:
Version:	7.3
Hardware:	i586 Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Arjan van de Ven
QA Contact:	Brian Brock
Docs Contact:

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Reported:	2002-07-01 08:36 EDT by Frederic Heem
Modified:	2008-08-01 12:22 EDT (History)
CC List:	0 users

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
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Environment:
Last Closed:	2004-09-30 11:39:43 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Frederic Heem 2002-07-01 08:36:41 EDT

From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020204

Description of problem:
When setsockopt is called with IP_DROP_MEMBERSHIP, it should send an igmp leave
message to the router group (224.0.0.2) but it doesn't.

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1.run ntpd with multicast enabled
2.start a network analyser (e.g: ethereal) and filter on the router group
multicast address 224.0.0.2
3.type "service ntpd stop"

	

Actual Results:  nothing

Expected Results:  it should send an igmp leave message

Additional info:

Comment 1 Frederic Heem 2002-07-01 08:38:25 EDT

Not sure whether it's a libc or kernel bug

Comment 2 Jakub Jelinek 2002-07-01 08:39:46 EDT

Nothing to do with glibc, it passes setsockopt stright to the kernel.

Comment 3 Frederic Heem 2002-07-01 08:41:36 EDT

This bug doesn't exist on a standard mandrake 8.2 with a kernel 2.4.18 and glic
2.2.4

Comment 4 Frederic Heem 2002-07-01 08:44:31 EDT

setsockopt is part of libc, so this problem may be due to glibc

Comment 5 Ulrich Drepper 2003-04-22 00:57:31 EDT

This has nothing to do with glibc.  setsockopt is a simple syscall wrapper.

Comment 6 Bugzilla owner 2004-09-30 11:39:43 EDT

Thanks for the bug report. However, Red Hat no longer maintains this version of
the product. Please upgrade to the latest version and open a new bug if the problem
persists.

The Fedora Legacy project (http://fedoralegacy.org/) maintains some older releases, 
and if you believe this bug is interesting to them, please report the problem in
the bug tracker at: http://bugzilla.fedora.us/

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