Date: Thu, 07 Apr 2005 18:15:54 +0200 From: "Martin Petraschek" <petraschek@ftw.at> To: "Lowell Gilbert" <freebsd-questions-local@be-well.ilk.org> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: IPv6 ICMP multicast response Message-ID: <BLACKHOLE2JUGCfdqgg000028f5@mail.ftw.at> In-Reply-To: <44ll7u64p8.fsf@be-well.ilk.org>
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On 07 Apr 2005 10:29:07 -0400, Lowell Gilbert wrote: >"Martin Petraschek" <petraschek@ftw.at> writes: > >> The section you are referencing in RFC 2463 is concerning ICMP >> ERROR messages. Echo requests/responses are informational >> messages, therefore this section does not apply. > >Ah. You're right; I was thinking about error handling because that's >the code I happened to be working with this morning. I was looking at >the error handling code, as well, so when I said it was impossible I >may have been wrong also. [The ICMP6_ECHO_REQUEST handling in >icmp6_input() doesn't do any special handling for multicast at all, so >I don't see why it doesn't Just Work.] > >Sorry for not paying enough attention to the question. No problem. Anyway, because of your reply I double checked my setup and found out that FreeBSD does indeed answer to multicast ping requests. There just does not seem to be a sysctl switch to turn off this behaviour (as there is for IPv4). Thank you, Martin
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