Description
This article describes how to fix 25 Gigabit Ethernet connection between FortiGate and Cisco Nexus.
Scope
Solution
fec rs-ieee
The error message:
"ERROR: FEC validation failed on ethX/Y due to incompatible configured speed or transceiver type"
(X/Y is the Cisco Nexus interface.)
The solution to fix the issue:
In FortiGate:
config system interface
edit <interface name>
set speed 25000full
set forward-error-correction c174-fc-fec
next
end
The same configuration should be performed on the Cisco Nexus side as well.
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