Date: Sun, 30 Aug 2009 08:05:19 +0200 From: =?ISO-8859-1?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de> To: "Li, Qing" <qing.li@bluecoat.com> Cc: qingli@freebsd.org, "Bjoern A. Zeeb" <bz@freebsd.org>, Randall Stewart <rrs@lakerest.net>, net@freebsd.org Subject: Re: routing message problem Message-ID: <FC7350CE-8C09-4D81-BF18-4A89DF21CEFB@lurchi.franken.de> In-Reply-To: <B583FBF374231F4A89607B4D08578A4305277CDC@bcs-mail03.internal.cacheflow.com> References: <BFC746D7-9E88-43AD-8320-96928633C532@lurchi.franken.de> <B583FBF374231F4A89607B4D08578A4305277931@bcs-mail03.internal.cacheflow.com> <38B715CC-9C82-4D8D-97CC-134A9CB01A0C@lurchi.franken.de> <B583FBF374231F4A89607B4D08578A4305277CDC@bcs-mail03.internal.cacheflow.com>
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On Aug 30, 2009, at 4:08 AM, Li, Qing wrote: > Hi Michael, >> >> your patch fixes the issue. >> Will it find its way into 8.0? >> Will it find its way into 7.3? >> > > Yes, the patch will make its way into 8.0 Release and 7.3, too. Great! Thanks a lot. Best regards Michael > > Thanks, > > -- Qing > > >> >> On Aug 28, 2009, at 7:24 PM, Li, Qing wrote: >> >>>> >>>> Dear all, >>>> >>>> via a bug report from Preethi I figured out that there are no >>>> RTM_NEWADDR >>>> routing messages generated when an IP address is added to an >>>> interface >>>> and there is already an address in the same network configured. >>>> This is a problem for the SCTP stack. >>>> >>>> To reproduce the problem you can >>>> sudo ifconfig em0 192.168.1.1 >>>> sudo ifconfig em0 192.168.1.2 alias >>>> >>>> and use the attached problem. It will only show the first address >>>> being added. This problem applies to FreeBSD 9.0 CURRENT and 7.2 >>>> RELEASE. >>>> >>>> Any idea how to fix the problem? >>>> >>> >>> >>> Please try my patch (not the final version) at >>> >>> http://people.freebsd.org/~qingli/patch-8-28-rtmsg.diff >>> >>> >>> I have tested it and seems to work as expected. You should >>> get the notifications for both address insertion ("alias") >>> and deletion ("-alias"). >>> >>> Let me know if it's to your satisfaction. >>> >>> I found a couple of other issues while looking over the code. >>> >>> 1. in_scrubprefix() is called unnecessarily in 2 locations >>> 2. the loopback host route is not removed for an alias >>> >>> On a related note, in.c can use some code cleanup. I think >>> I will do that post 8.0 release. >>> >>> Thanks, >>> >>> -- Qing >>> >>> > >
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