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Bjoernar
New Contributor

FG-90G to FS-424E-Fiber Uplink 10G+1G

Hello,

 

we have two FS-424E-Fiber as core switches and two FG-90G as active/passive.

 

As we don't have enough 10G ports, we can only connect each Forti with 1x10G + 1x1G to the two core switches via MCLAG.

 

The problem is that the traffic should of course primarily run over the 10G connection, the 1G only as a passive backup.

 

If I add both interfaces to the Fortilink and deactivate the FortiLink split interface, it is not guaranteed that the 10G connection is actively used.

If I activate the FortiLink split interface, both are actively used.

 

Is there a possibility that I have overlooked?

 

Thanks and regards
Björnar

2 REPLIES 2
Anthony_E
Community Manager
Community Manager

Hello Bjornar,


Thank you for using the Community Forum. I will seek to get you an answer or help. We will reply to this thread with an update as soon as possible.


Thanks,

Anthony-Fortinet Community Team.
sachitdas_FTNT

One of the criteria for LACP to work is having the same link speed, so using a different speed isn't supported.

 

Regards,
Sachit Das
ETAC Engineer
Wifi-Switching – International Support
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