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Date:      Sun, 4 Jan 2009 02:23:26 -0800 (PST)
From:      Gabe <nrml@att.net>
To:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
Cc:        freebsd-net@freebsd.org
Subject:   Re: +ipsec_common_input: no key association found for SA
Message-ID:  <186728.8993.qm@web83802.mail.sp1.yahoo.com>
In-Reply-To: <480896.12029.qm@web83811.mail.sp1.yahoo.com>

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> From: Gabe <nrml@att.net>
> Subject: Re: +ipsec_common_input: no key association found for SA
> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
> Cc: freebsd-net@freebsd.org
> Date: Tuesday, December 30, 2008, 11:56 PM
> > From: Bjoern A. Zeeb
> <bzeeb-lists@lists.zabbadoz.net>
> > Subject: Re: +ipsec_common_input: no key association
> found for SA
> > To: "Gabe" <nrml@att.net>
> > Cc: freebsd-net@freebsd.org
> > Date: Tuesday, December 30, 2008, 6:24 AM
> > On Tue, 30 Dec 2008, Gabe wrote:
> > 
> > >> One more thing; if you are comparing SPIs
> from the
> > log with setkey,
> > >> you can also run
> > >> tcpdump -s 0 -vv -ln proto 50
> > >> and it will show you something like
> > >>     ... ESP(spi=0x12345678,seq=0x..),
> > >> so you could as well compare what you receive
> on
> > the wire with what
> > >> you get in the log. This would help to
> eliminiate
> > the case of a
> > >> promblematic patch.
> > >
> > > However I still get the ipsec_common message
> albeit
> > not as often, it
> > > appears to only be when I restart racoon now. I
> also
> > tried matching the
> > > SPIs but the SPIs given by setkey -Da did not
> match
> > the ones on the log.
> > 
> > Ok, can you try running the following script and see
> if the
> > output
> > times match your racoon restarts or the log entries?
> > 
> > You need to set your interface and the tunnel endpoint
> IPs
> > (as in box/box2).
> > 
> > /bz
> 
> I restarted racoon and cleared out the keys then I ran the
> script which returned:
> 
> on BOX:
> tcpdump: verbose output suppressed, use -v or -vv for full
> protocol decode
> listening on em1, link-type EN10MB (Ethernet), capture size
> 65535 bytes
> 23:51:13.032336 SPI changed uninitialized -> 0x0878469a
> 23:51:13.063318 SPI changed 0x0878469a -> 0x091b7ada
> ^C1154 packets captured
> 1597 packets received by filter
> 0 packets dropped by kernel
> 
> on BOX2:
> tcpdump: verbose output suppressed, use -v or -vv for full
> protocol decode
> listening on em1, link-type EN10MB (Ethernet), capture size
> 65535 bytes
> 23:53:43.594785 SPI changed uninitialized -> 0x01d66237
> ^C2404 packets captured
> 9701 packets received by filter
> 0 packets dropped by kernel
> 
> box and box2 are the local and end point respectively.
> 
> /gabe

I'm still unable to find the cause for this. Does anyone know what the above output is referring to?

Thanks,

/gabe



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