On Sun, Feb 15, 2015 at 12:37 PM, Mark Relf <mark.r...@4slgroup.com> wrote:

>   Hi all,
>
>  We are experiencing a number of issues with IPSEC tunnels rekeying.  We
> see the following in the IPSEC log :
>
>   Feb 15 17:30:45 4slgbmernfw01 charon: 13[IKE] <con1000|1080> received
> INVALID_ID_INFORMATION error notify
>
> Feb 15 17:30:50 4slgbmernfw01 charon: 14[IKE] <con1000|1080> received
> INVALID_ID_INFORMATION error notify
>
> Feb 15 17:30:54 4slgbmernfw01 charon: 09[IKE] <con1000|1080> received
> INVALID_ID_INFORMATION error notify
>
> Feb 15 17:30:59 4slgbmernfw01 charon: 09[IKE] <con1000|1080> received
> INVALID_ID_INFORMATION error notify
>
> Feb 15 17:31:04 4slgbmernfw01 charon: 15[IKE] <con1000|1080> received
> INVALID_ID_INFORMATION error notify
>
>
>  This is not always for the same connection but does happen frequently
> and has made release 2.2 almost unusable for us.
>
>  We have to issue ipsec down con xxx and ipsec up con xxx to reset the
> tunnel.
>
>  I have had a brief look at the strongswan website and they seem to be
> indicating an issue and have a patch.
>
>  Has this/when will this patch be incorporated into pfsense (strongswan
> issue819 seems to be a close match)
>
>
One of our community members opened that strongswan 819 ticket when it's at
least a mix of two completely different problems, and not a good
description of what might be happening there. I can't seem to find a
replicable circumstance that produces that issue.

Do you have multiple phase 2 entries on a single phase 1? What is the
remote endpoint you're connecting to? The only confirmed issue where I'm
aware of a specific cause is a problem in the Cisco Unity plugin that can
be triggered when rekeying with certain configurations in place on the
Cisco end.
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