Troubleshooting Tip: Speed option for 100Gauto is ...

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 349925

Description

This article describes how to handle a situation where the 100Gauto speed option is missing on the QSFP28 ports of a FortiGate 2600F series model.

Scope

FortiGate 2600F series running FortiOS v7.2.X.

Solution

100G auto-negotiation speed is missing on ports 33-36 of the FortiGate 2600F series.

show system interface port33

config system interface

edit "port33"

set vdom "root"

set type physical

set mediatype cr4

set snmp-index 33

set forward-error-correction cl91-rs-fec

set speed 100Gfull

end

config system interface

edit port33

        set speed
        40000full 40G full-duplex.
        100Gfull 100G full-duplex.

This issue has been resolved in FortiOS versions 7.2.9, 7.4.4, and 7.6.0.

set speed
40000full 40G full-duplex.
40000auto 40G auto-negotiation.
100Gfull 100G full-duplex.
100Gauto 100G auto-negotiation.

597

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Troubleshooting Tip: Speed option for 100Gauto is not available on QSFP28 ports of FortiGate 2600F series devices

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