Hello
The following doc shows that FortiLink is supported is this topology:
FortiGate <---> FortiSwitch <---> 3rd party L2 switch <---> FortiSwitch
https://docs.fortinet.com/document/fortiswitch/7.0.8/devices-managed-by-fortios/801183
My question is more simple: is FortiLink supported in the following case?
FortiGate <---> 3rd party L2 switch <---> FortiSwitch
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Hi @AEK
A simple answer is yes. It is possible to manage FortiSwitch if there is a third-party L2 switch between them.
The last time I attempted such topology was a year ago. Cisco was in between FortiGate and FortiSwitch.
If I remember the configuration correctly.
Then it was easily achievable when there was a single port within the Fortilink. (Considering Cisco in the default configuration).
But when there were two ports inside Fortilink then we had to create LAG (channel-group in my case) between FortiGate and FortiSwitch.
Note that,
- for a single port within the FortiLink. I didn't check the VLAN trunking, just tested whether it could be managed or not. I guess, you might need a trunk port connected between them.
- But for two ports inside Fortilink, we trunked VLAN through port-channel.
Overall, you can manage over a third-party L2 switch. But for precise verification of VLAN trunking traffic flow, I need to test them again.
Hope that helps,
Kind Regards,
Bijay Prakash Ghising
Thanks Bijay for your detailed response and for sharing your experience.
I'll share the result of my lab once I achieve it successfully.
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