I need to setup Lan-to-Lan VPNs to between 3 routers. Each router has one interface on our public LAN and one int on a private 192.168 network.
I have sucessfully configured the first pair of routers, with an IPsec connection between R1 and R2. Trying to add a new IPsec connection between R2 and R3 has been a problem. It looks like I can only apply one crypto map on an interface.
When done, I need 3 IPsec connections, R1-R2, R2-R3 and R3-R1. What is the best way to do this? Do I need to use GRE tunnels and tunnel interfaces? Or is there a better way?
sounds like you want to 2 remote sites to talk to each other. That would be a fully meshed IPSEC connection. I also included Hub in Spoke if you want it. If you want to pass RPs or broadcasts accross the IPSEC connection I would use GRE. If you are using unicast traffic I would use a non GRE IPSEC solution.
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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...