Is there any concern by using a IPSec VPN with TCP encapsulation into a network with a great rate of packets discarding due to network congestion? I'm facing an issue where the VPN connection to a VPN3K remains active for few minutes and after that is disconnect suddenly. I think that is probably being caused for a double retransmission (TCP VPN+encapsulated application traffic). Have anyone ever faced that issue?
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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...