Technical Tip: Spanning tree in LAG and MCLAG

sachitdas_FTNT · 02-02-2026

Description This article describes captive portal support on the Bridge SSID connection. Scope FortiGate and FortiAP v7.2.x, v7.4.x, v7.6.x and above. Solution Local/Internal Captive portal for Bridge mode SSID is not supported; the following option ...

sachitdas_FTNT · 01-29-2026

Description This article describes the meaning of FortiLink Type L4. Scope FortiGate managing FortiSwitches version 7.4.x and above. Solution Consider FortiLink 802.3ad aggregate interface connected directly to FortiSwitches. Under FortiGate GUI -> M...

sachitdas_FTNT · 01-01-2026

Description This article describes the TACACS attributes that need to be configured on a TACACS server to override accprofile. Scope FortiSwitch 7.4.x and above. Solution In some deployments, it is required to allow remote administrators to log in to...

sachitdas_FTNT · 12-05-2025

Description This article describes the configuration changes to be performed if the FortiSwitch is not load-balancing the outgoing traffic via the LACP links. Scope FortiSwitch versions 7.4.x and above. Solution Consider a setup where FortiSwitch is ...

sachitdas_FTNT · 09-04-2025

Description This article describes the reason for 'FortiLink Switch new peer detected' logs on FortiGate Switch-Controller Event logs. Scope FortiGate versions 7.4.8, 7.6.3, Managed FortiSwitch v7.6.2/v7.4.7. Solution Functionality Impact and Symptom...

sachitdas_FTNT · 11-24-2025

Adding to pont4, map dot1p, dscp and COS. config switch interface edit set trust-dot1p-map set trust-ip-dscp-map set qos-policy < policy-name > set default-cos next end

sachitdas_FTNT · 04-08-2025

Hi Kurt, I am assuming that you have given IP of 10.100.99.2 to the FortiSwitch's internal interface and not the SVI. In that case, when we connect 10.100.99.2 to FGT X2 interface 10.100.99.1, the traffic will flow as untagged vlan. Usually this shou...

sachitdas_FTNT · 02-18-2025

Hi Björnar, Currently we don't have the option to prioritize one link over another and configure a fallback scenario.

sachitdas_FTNT · 02-16-2025

Thats correct, p2p is not possible in this design. p2p means FGT-FSW-cisco-FSW.https://docs.fortinet.com/document/fortiswitch/7.6.1/fortilink-guide/801183/fortilink-over-a-point-to-point-layer-2-network Fortilink over layer3 is the correct approach.

sachitdas_FTNT · 02-16-2025

I tested in FSW version 7.4.4 against FortiGuest and it works fine. Have you tried configuring from FSW CLI? It could be a GUI issue where 'remote' option shows greyed out. Try upgrading FSW to the latest 7.4.6. my config FYI:- config system adminedi...

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Technical Tip: Local Captive portal Bridge mode SSID

Technical Tip: FortiLink Type L4

Technical Tip: Remote administrators with TACACS+ VSA attributes support on FortiSwitch

Troubleshooting Tip: FortiSwitch is not load balancing the outgoing traffic via the LACP links

Troubleshooting Tip: FortiLink Switch new peer detected logs on FortiGate Switch-Controller Event logs

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Technical Tip: Spanning tree in LAG and MCLAG

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Re: Multi-tier ICL-MCLAG configuration

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