Thanks, our "FortiGate 100F v6.4.6 build6131 (GA)" version seems not supporting this option can you please advise if there is other CLI for this FortiGate version?
FG-101F-No # config log disk setting
command parse error before 'disk' Command fail. Return code 1
FG-101F-No # config log setting
FG-101F-No (setting) # set maximum-log-age 90
command parse error before 'maximum-log-age' Command fail. Return code -61
FG-101F-No (setting) # show full-configuration config log setting set resolve-ip disable set resolve-port enable set log-user-in-upper disable set fwpolicy-implicit-log disable set fwpolicy6-implicit-log disable set log-invalid-packet disable set local-in-allow enable set local-in-deny-unicast enable set local-in-deny-broadcast enable set local-out enable set daemon-log disable set neighbor-event disable set brief-traffic-format disable set user-anonymize disable set expolicy-implicit-log disable set log-policy-comment disable end
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