Technical Tip: Forward Error Correction (FEC) on FortiGate-180xF SFP slots
Description
This article discusses the relation between the Forward Error Correction (FEC) feature and SFP slots usage on the FortiGate-180xF.
Scope
FortiGate-180xF (1800/1801).
To use these ports, forward-error-correction has to be disabled as follows.
FortiGate-1800F (port25) # show
# config system interface
edit "port25"
set vdom "root"
set type physical
set snmp-index 25
set forward-error-correction disable <----- Not supported by FortiManager until version 6.2.8, 6.4.6, 7.0.0.
set speed 10000full
next
end
FortiGate-1800F # diagnose hardware deviceinfo nic port25
Description :FortiASIC NP7 Adapter
Driver Name :FortiASIC Unified NPU Driver
pid :25
oid :88
vid :26
macid :24
eif_id :127
promiscous :0
mtu :1500
netdev oid :88
dev-flags :1003
dev-promis :0
Current_HWaddr 04:d5:90:d5:4c:f0
Permanent_HWaddr 04:d5:90:d5:4c:f0
==== Default Link Settings =====
auto-nego :Disable
s_speed :10000
s_duplex :Full
==== Current Link Settings =====
auto-nego :Disable
s_status :Up
s_speed :10000
s_duplex :Full
FEC :OFF (0x4)
FEC_cap :CL91 (0x8)
==== Link Status ===============
Admin :Up
link_status :Up
Speed :10000
Duplex :Full
==== Netdev Status =============
dev_running :Yes
dev_carrier :On
==== Host Counters =============
rx_pkts :6
rx_bytes :648
tx_pkts :2
tx_bytes :180
tx_drop :0
tx_e_busy :0
tx_e_noheadroom :0
tx_e_oid :0
tx_e_adapter :0
tx_e_other :0
==== Switch Poll Counters ======
tx_pkts :1
tx_bytes :94
rx_pkts :0
rx_bytes :0
==== Netdev Counters ===========
Rx Pkts :0
Rx Bytes :0
Tx Pkts :1
Tx Bytes :94
Related document:
Forward Error Correction
Related to FortiManager known issue 691240 – 'FortiManager should not unset the value forward-error-correction with certain FortiGate platforms.