Date: Wed, 5 Apr 1995 09:17:54 PDT From: Bill Fenner <fenner@parc.xerox.com> To: Masahiro SEKIGUCHI <seki@sysrap.cs.fujitsu.co.jp> Cc: Bill Fenner <fenner@parc.xerox.com>, hackers@FreeBSD.org Subject: Re: IGMP bug Message-ID: <95Apr5.091758pdt.49864@crevenia.parc.xerox.com> In-Reply-To: Your message of "Tue, 04 Apr 95 21:11:48 PDT." <9504050411.AA02781@seki.sysrap.cs.fujitsu.co.jp>
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In message <9504050411.AA02781@seki.sysrap.cs.fujitsu.co.jp> you write: >>Could you tell me more about this "too-fast" bug? > >Shortly, it is "new IGMP requires 2 bytes for igmp_code field, but it >has just 1 byte." This is a bug in a protocol design, not just coding >issue. No, it is "The reference implementation of IGMPv2 doesn't implement IGMPv2". IGMPv2 only requires a single byte. The mrouted code is simply a bug. >When I found the bug, I asked a local mbone guru whether it is well >known. He didn't know the particular bug, but he told me 3.5 would be >release soon and 3.3 bug report at that time has less valuable. 3.3 kernel bugs are *extremely* valuable; if a kernel bug gets reported it might get fixed =) Immediately before a new release strikes me as a wonderful time to report bugs. >>Any volunteers to do testing? > >I will. > >Does the test start before 2.1 release? The SunOS kernel code is nearly done. I can make the same changes to the FreeBSD-current kernel code, but cannot test it here (I am at IETF, and although I installed FreeBSD on one of the PC's, it has a 3c509 and the ep driver doesn't have multicast and I haven't yet had the energy to hack on the driver.). Bill
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