I am trying to find a solution for our disaster recovery site. We have 13 sites that have VPN tunnles back to the main site with OSPF and GRE tunnels for routing. I need to make a separate mirror site of the main site (ip addresses, VLANS, etc). How can I failover the VPN sites to the disaster recovery site automatically using the GRE and OSPF network using the same IP address scheme?
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...