While troubleshooting a VPN issue between your gateway and a partner site you see an entry in
Smartview Tracker that states “Info: encryption failure: Different community ID: possible NAT
problem”. Which of the following is the most likely cause?
A.
You have an encryption method mismatch.
B.
Implied rules in global properties such as ICMP and DNS are set to first instead of before last.
C.
You have not created a specific rule allowing VPN traffic.
D.
You have the wrong encryption domains configured.
sk103091
Symptoms
Site-to-Site VPN tunnel to 3rd party VPN fails.
Error in SmartView Tracker: “service_id:icmp-proto route status: Different community ID, possible NAT problem (VPN Error code 01)”.
Cause
Inter-operable device not defined in encryption domain.
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