Date: Sun, 06 Nov 2005 04:58:44 +0900 From: Hajimu UMEMOTO <ume@freebsd.org> To: sean@mcneil.com Cc: current@freebsd.org Subject: Re: recent MFC code to 6-STABLE kills ipv6 Message-ID: <ygehdaqhnnv.wl%ume@mahoroba.org> In-Reply-To: <1131161768.8571.9.camel@server.mcneil.com> References: <1131161768.8571.9.camel@server.mcneil.com>
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Hi,
>>>>> On Fri, 04 Nov 2005 19:36:08 -0800
>>>>> Sean McNeil <sean@mcneil.com> said:
sean> My IMAP server used to work perfectly fine with IPv6 connections from
sean> evolution. Today, there was some MFCd code that has killed it. I can
sean> no longer log into my imap server with IPv6. Investigating, I find that
sean> the interface I have tied to stf0 will not respond.
When was your working kernel built?
sean> ping6 does NOT work for
sean> fe80::203:6dff:fe1a:b19b%dc0
sean> 2002:18c7:2d36:0:203:6dff:fe1a:b19b
sean> 2002:18c7:2d36::
It seems an IPv6 operation for dc0 is disabled entirely. Don't you
see an error message from your kernel like following?
dc0: possible hardware address duplication detected, disable IPv6
Sincerely,
--
Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
ume@mahoroba.org ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/
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