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Description This article describes how to troubleshoot the issue when a FortiGate cannot be upgraded due to the license expiration even with a valid contract. Scope FortiGate v7 and higher. Solution Sometimes, the FortiGate cannot be upgraded to newe...
Description This article describes how FortiGate handles the DHCP Discover packets that have no 'end' option. Scope FortiGate. Solution According to RFC2131, 4.1, the last option must always be the 'end' option in DHCP packets. But in some cases, the...