Technical Tip: How to setup LACP between FortiGate...

kaman · 09-04-2025

Description This article describes an issue where the Source field under firewall policy displays only IPv6 Address and IPv6 Address Group, while IPv4 Address and Address Group entries are missing. Scope FortiGate. Solution Attempting to add a new ad...

kaman · 08-08-2025

Description This article describes that after upgrading the firmware, the VM device shows no information after the secondary checksum serial number, and the High Availability (HA) page fails to load in the GUI. Scope FortiGate. Solution After upgradi...

kaman · 08-06-2025

Description This article explains an issue where the browser crashes with an 'Error code: Out of Memory' during firmware upgrade via image file upload. Scope FortiGate Solution Attempting to upgrade FortiGate firmware from v7.6.1 to v7.6.2 or from v7...

kaman · 08-06-2025

Description This article describes an issue where the browser continues redirecting to the SAML SSO login page, even though SAML SSO and related firewall policies are disabled. Scope FortiGate. Solution Despite SAML SSO and related firewall policies ...

kaman · 07-25-2025

Description This article describes how to resolve an issue where the 'Entries' field is missing from the IP Address External Threat Feed, even though the connection status shows as successful. Scope FortiGate. Solution For an IP Address External thre...

kaman · 09-15-2025

Hi tcp_sys, NPU offload actually runs continuously in the background. NPUs (Network Processing Unit), as the name suggests, are specific processors. After FortiGate completes the 3-way handshake on the CPU, it transfers the relevant traffic to the NP...

kaman · 09-14-2025

Hi uniquewaheed, FortiGate in transparent mode has significant limitations, especially when it comes to layer 3 services like DHCP, NAT, and VPN, because it's operating at Layer 2 (bridging) rather than Layer 3 (routing). VPNs between two FortiGate u...

kaman · 09-13-2025

Hi AEK, Additionally, starting from version 7.6.3, there have been some changes in the table size, the IP address capacity on mid-range FortiGate models has been raised from 300,000 to 1,000,000. On high-end FortiGate models, the number of IP address...

kaman · 09-13-2025

Hi hawke, Congratulations on clearing the FCP FG 7.6 exam! For the FMG exam, I recommend referring to the FortiManager Admin Guide. It was helpful for me also to clear the exam, and I believe it will be beneficial for you as well. https://docs.fortin...

kaman · 09-13-2025

Hi HS08, In this scenario, best practice is to use 'Best Quality". When using Best Quality mode, SD-WAN will choose the best link to forward traffic by comparing the link-cost-factor. A link-cost factor is a specific metric of participating link(s) (...

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Technical Tip: IPv4 Address and Address Group not displayed in Source Field of Firewall Policy

Troubleshooting Tip: Post-Upgrade, secondary VM Checksum empty after serial number and HA Page fails to load in GUI

Troubleshooting Tip: Browser crash during firmware image upload with 'Error code: Out of Memory'

Troubleshooting Tip: Browser redirects to SAML SSO login page despite SAML being disabled

Troubleshooting Tip: Unable to see 'Entries' field in IP Address External Threat Feed

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Technical Tip: How to setup LACP between FortiGate...

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