Date: Fri, 28 Aug 2009 20:48:27 +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: <38B715CC-9C82-4D8D-97CC-134A9CB01A0C@lurchi.franken.de> In-Reply-To: <B583FBF374231F4A89607B4D08578A4305277931@bcs-mail03.internal.cacheflow.com> References: <BFC746D7-9E88-43AD-8320-96928633C532@lurchi.franken.de> <B583FBF374231F4A89607B4D08578A4305277931@bcs-mail03.internal.cacheflow.com>
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Hi Qing, your patch fixes the issue. Will it find its way into 8.0? Will it find its way into 7.3? Best regards Michael 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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