Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1986-2001 Microsoft Corp. C:\WINDOWS>netsh routing ip igmp delete interface ?
Usage: delete interface [name=]
Parameters:
Tag Value
name - The name of a specific interface where the use of an IGMP
router or an IGMP proxy is to be removed.
Remarks: Removes an IGMP router/proxy from an interface, specified by name.
Examples:
delete interface "Local Area Connection"