My VPN concentrator 3020 always hang up without any error log after i use webvpn function at this device. Maybe it often happen one time a week . and i already upgrade to the last software version 4.7.2 . I check the event log and no any error i can found before hang up . i just can found many event repeat occur as like as following :
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...