Hello,
I have a VPN between two Cisco ASA 5520, this VPN encrypt several subnets.
Everything worked fine but since a couple of days, it seems the firewall doesn't want to encrypt anymore for one of these subnets
(no configuration changes have been made before)
#pkts encaps: 0, #pkts encrypt: 0, #pkts digest: 0
#pkts decaps: 528, #pkts decrypt: 528, #pkts verify: 528
I can successfully receive trafic from the other side, but my packets are not sent anymore
I checked on the internet and saw that it could be a IPSec "Black Hole", the workaroud is a reboot of the appliance.... i tried to reboot and my VPN was running again... with trafic in both sides...
Two days later, and it doesn't work anymore, still for the same VPN phase 2... this is the only VPN that have issue (i have 6 other VPN thats works fine)
I think i should upgrade my ASA os (currently 8.2.2), do you think 8.2.3 will solve that issue ?
Regards.