Troubleshooting Tip: Cannot bring up port when try...

FortiGate

FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.

Article Id 342334

Description

This article describes how to resolve an issue when FortiGate-1000F RJ45 Slots cannot bring up.

Scope

FortiGate-1000F.

Solution

Scenario:

When trying to connect to the RJ45 port of FortiGate-1000F, the port is always down.
Using the same network cable to connect port1 and port2 of FortiGate-1000F, all of them are UP.
Check the settings of port1:

config system interface
        edit "port1"
            set vdom "root"
            set type physical
            set snmp-index 1
            set speed 10000auto
        next
end

Solution:

The issue is caused by the default settings of port1 is speed 10000auto and port1 will not up when trying to connect 1G RJ45.
To fix the issue, change the interface speed as below:

config system interface
    edit "port1"
        set speed 1000auto
    next
end

FortiGate 1000F RJ45 port (Port1-Port8) support 10 GE/5 GE/2.5 GE/GE/100M.

For more specifications, refer to https://www.fortinet.com/content/dam/fortinet/assets/data-sheets/fortigate-1000f-series.pdf

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Troubleshooting Tip: Cannot bring up port when trying to connect FortiGate-1000F RJ45 Slots

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