Technical Tip: FortiGate-3G4G device intermittentl...

Hasnatriad · 12-09-2024

Description This article describes why the error 'Authentication type mismatched' is seen on FortiGate OSPF debug and Cisco when establishing OSPF adjacency between FortiGate and Cisco. Scope FortiGate. Solution If authentication is enabled in OSPF a...

Hasnatriad · 11-11-2024

Description This article describes how to handle connections that are down/flapping between FortiGate and MCLAG FortiSwitches after upgrading the switches. Scope FortiGate, FortiSwitches. Solution When FortiGate and FortiSwitches are connected and se...

Hasnatriad · 10-14-2024

Description This article describes how to resolve intermittent disconnection of the LTE modem on FottiGate-3G4G devices with Sierra Modem. Especially with Sierra modem EM75xx. Scope FortiGate-3G4G 40F, 60F, 70F. Solution In the crash log, the WWAN in...

Hasnatriad · 09-27-2024

Description This article describes how to block mDNS traffic with firewall policies for a specific subnet or SSID user profile. This is useful when users still want to allow mDNS at a global level but only want to block mDNS for some specific subnet/...

Hasnatriad · 08-26-2024

Description This article describes the configuration scenario of multiple Syslog servers in the FortiGate and cloud FortiGate VM when the source IP cannot be defined as falling over to a secondary FortiGate VM with a different interface IP. Scope For...

Hasnatriad · 02-02-2023

For particular policy for the traffic that you want to view in Fortiview

Hasnatriad · 02-02-2023

Try it if it was not working before. However, it is recommended to disable auto-asic-offload if you want to use fortiview.

Hasnatriad · 02-02-2023

Hi Omkam, - To view data in Fortiview, disable auto-ASIC-offload, which is enabled by default. - https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-FortiGate-Logs-are-not-displayed-in/ta-p/194193

Hasnatriad · 02-01-2023

Hi, I think you are missing a policy. This Kb might help. https://community.fortinet.com/t5/FortiGate/Technical-Tip-Dialup-IPsec-traffic-forwarding-to-site-to-site/ta-p/192062

Hasnatriad · 08-15-2022

Routing behaviour can be changed by modifying priority and distance. You can follow the KB below to understand the behaviour https://community.fortinet.com/t5/FortiGate/Technical-Note-Routing-behavior-depending-on-distance-and/ta-p/198221

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Technical Tip: OSPF error 'Authentication type mismatched' between FortiGate and Cisco Scope

Troubleshooting Tip: Connection Status between FortiGate and MCLAG switches is down/flapping after an upgrade