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When the interface speed is configured to '100full', Shared Media RJ45/Copper WAN ports fail to come up. Additionally, the media type is incorrectly identified as 'fiber', even when no transceivers are connected to the SFP1 and SFP2 slots.
However, the WAN interface successfully comes up when the speed is set to 'auto'.
Interface status when speed is set to 100Full:
config system interface
edit "wan2"
set vdom "root"
set ip 10.5.16.216 255.255.240.0
set speed 100full
end
get sys interface physical wan2
== [onboard]
==[wan2]
mode: static
ip: 10.5.16.216 255.255.240.0
ipv6: ::/0
status: down
speed: n/a
medium: fiber
FEC: none
FEC_cap: none
diagnose hardware shared-port wan2
Get nic name: wan2 medium type 1, Fiber
Interface status when speed is set to auto:
config system interface
edit "wan2"
set vdom "root"
set ip 10.5.16.216 255.255.240.0
set speed auto
end
get system interface physical wan2
== [onboard]
==[wan2]
mode: static
ip: 10.5.16.216 255.255.240.0
ipv6: ::/0
status: up
speed: 100Mbps (Duplex: half)
medium: copper
FEC: none
FEC_cap: none
diagnose hardware shared-port wan2
Get nic name: wan2 medium type 2, Copper
This is a known issue and has been resolved in FortiOS 7.4.6 and 7.6.1 versions.
Resolved issues 7.4.6
Resolved issues 7.6.1
To confirm if the same issue is matching, open a ticket with Fortinet TAC and provide the output of the following commands.
- CLI commands:
get system interface physical <interface_name>
diagnose hardware shared-port <interface_name>
diagnose hardware deviceinfo nic <interface_name>
fnsysctl ifconfig
-
Backup Config.
-
TAC Report.
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