Troubleshooting Tip: IGMP and PIM commands and deb...

kaurg_FTNT · 09-05-2024

Description The article discusses the issue of out-sync HA after upgrading to v7.2.6 and v7.4.4. Scope FortiGate v7.2, v7.4. Solution After upgrading to FortiOS v7.2.6 or v7.4.4, synchronization issue occurs in High Availability (HA) setups. The prob...

kaurg_FTNT · 08-23-2024

Description The article describes how to resolve a known issue with FortiOS 7.6.0 where domain resolution fails. Scope FortiOS 7.6.0 Solution After upgrading to 7.6.0, FortiGate fails to resolve the FQDN. The use of secondary dns-database zones can c...

kaurg_FTNT · 02-07-2024

Description This article explains the reason for the error 'OSPFv3: RECV[Hello]: instance ID mismatch' observed on FortiGate. Scope FortiGate. Solution OSPFv3 was developed to support IPv6. Instance ID is an 8-bit field in the OSPFv3 header. Instance...

kaurg_FTNT · 10-19-2023

Description This article describes why, after upgrading FortiGate from v7.2.5 to v7.4.0, the GUI does not reflect the hostname. It is not possible to edit the hostname in the GUI. Scope FortiGate v7.4.x. Solution In version 7.2.5 and prior versions, ...

kaurg_FTNT · 09-05-2023

Description The article discusses IGMP and PIM commands and debug in PIM Sparse-Mode. Scope Logs and command outputs run on FortiGate v7.0.12. Diagram: Rendezvous Point:10.104.0.140 FortiGate configuration should enable the multicast routing and have...

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Troubleshooting Tip: FortiGate in an HA configuration goes out of synchronization due to a split-port interface on FortiSwitch

Troubleshooting Tip: FortiGate fails to resolve FQDN after upgrade to 7.6.0

Technical Tip: OSPFv3 error 'OSPFv3: RECV[Hello]: instance ID mismatch'

Technical Tip: Managed FortiSwitch hostname config on 7.4.0