We currently have multiple sites with ISAKMP/IPSec tunnels between 2800 routers and we need to migrate some of them to GRE tunnels with IPSec. Are there any issues with terminating both GRE and IPsec tunnels on the same router and interface?
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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...