cisco asa 5510 and zyxel ZyWALL 35 ipsec s2s disconnect problem
I have asa and zyxel connected via ipsec s2s. The problem is with disconnecting. Traffic origin from Zyxel site to Asa site. After tunnel hang up we have to turn on tunnel by hand on Zyxel site. It happens few times per day. Quality of Internet connection is ok. I changed few settings but without success. On cisco site i have ca 30 another tunnel s2s to different countries and all are ok. On Zyxel site i have 1 extra vpn. It works ok. Below my config and logs. I'll be very grateful for help
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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...