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From: =?ISO-8859-1?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de>
To: "Li, Qing" <qing.li@bluecoat.com>
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Cc: qingli@freebsd.org, "Bjoern A. Zeeb" <bz@freebsd.org>,
	Randall Stewart <rrs@lakerest.net>, net@freebsd.org
Subject: Re: routing message problem
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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
>>>
>>>
>
>