Category: Troubleshooting
FortiDDNS connectivity issues on FortiGate: field-tested workaround
Many FortiGate administrators are facing FortiDDNS connectivity issues, including failures when creating or updating FortiDDNS entries through the GUI. Based on field testing, the issue has been observed across different FortiGate models and FortiOS releases from 7.0.x through 7.4.12. In one tested upgrade path, the issue continued after upgrading from FortiOS 7.0.2 to 7.4.12. Fortinet…
Application down behind F5: VIP reachable, pool healthy – so where did the traffic stop?
The application team reported an outage, yet the F5 VIP was reachable and pool members were healthy. This field case shows how packet captures isolated the missing link.