Unlike traditional IPsec encryption solutions, GET VPN uses the concept of group SA. All members in the GET VPN group can communicate with each other using a common encryption policy and a shared SA. With a common encryption policy and a shared SA, there is no need to negotiate IPsec between GMs; this reduces the resource load on the IPsec routers. Traditional GM scalability (number of tunnels and associated SA) does not apply to GET VPN GMs.
Note: In a GET VPN group, up to 100 ACL permit entries can be used to define interesting traffic for encryption. Each permit entry results in a pair of IPsec SAs; the maximum number of IPsec SAs in a group can not exceed 200.
It is a best practice to summarize interesting traffic to as few permit entries as possible, and to build symmetric policies. Unlike traditional IPSec policies, where source and destination address ranges must be uniquely defined, GET VPN is optimized when the source and destination address range are the same. This minimizes the number of policy permutations, making GET VPN very efficient.
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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...