Date: Fri, 7 Dec 2001 18:48:24 +0800 (CST) From: Yung-Sheng Tang <freebsd@hoolan.org> To: Bill Fenner <fenner@research.att.com> Cc: freebsd-hackers@freebsd.org Subject: Re: UDP checksum error after encapsulating multicast packet Message-ID: <Pine.BSF.4.05.10112071840010.97100-100000@hoolan.org> In-Reply-To: <200112070421.UAA07833@windsor.research.att.com>
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On Thu, 6 Dec 2001, Bill Fenner wrote: > > >However, there does exist one case that have good checksum, no matter I > >apply the patch or not. > > Is the local system a member of one or the other of these groups? > i.e. does it work when the local system is a member, or not, or > is that not a predictor of the behavior? Actually, as long as the multicast packet sender does not run on the same machine with mrouted, everything works correctly. If the packet is issued from the same machine, it gets udp checksum error after being encapsulated. That's the whole fact I found till now. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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