Hi, we are trying to do a site to site VPN from a Cisco 871 and a Cisco 2800 concentrator. The concentrator is running with the same config dozens of site to site VPN's. I think the problem is at the Cisco 871.
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...