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Description This article describes how to fix the DNS Query showing ‘dns-response’ with values of Category:‘255’ and Category Description: ‘Unknown’. under FortiGate -> Log&Report -> DNS Query. Scope FortiGate v6.2.x. Solution - Make sure to configur...
Description This article describes how to capture VLAN (Virtual Local Area Networking) tagging (802.1q) packets to investigate the issue further in FortiGate or related situations. Scope FortiGate. Solution - If there is a VLAN tagging (802.1q) issue...
Description This article describes how to fix 'fw_strict_dirty_session_check', drop message when using SD-WAN. Scope FortiGate with SD-WAN setting Solution When there is SD-WAN setting and the issue that the client behind FortiGate cannot access to i...
Description This article describes how to fix the issue when the user uses Line call but the user cannot select answer Line call. Scope FortiGate v6.x. Solution When the user uses Line application to call each other,the user can send the message prop...
Description This article describes how to check BGP sessions in FortiGate for detailed investigation. BGP (Border Gateway Protocol) Scope FortiGate unit. Solution To investigate BGP sessions in FortiGate unit, use the CLI command as below. # diagnose...
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