Category Archives: FortiSwitch

9 November, 2026

Spanning Tree Protocol Explained: STP vs RSTP vs MSTP (with FortiSwitch Config)

Learn how spanning tree, RSTP and MSTP elect a root and block loops, then configure MSTP on FortiSwitch so both core uplinks forward traffic.

5 October, 2026

DHCP Snooping Deep Dive Building the Binding Table That Your Entire Layer 2 Security Stack Depends On

Configure DHCP snooping on FortiSwitch to build a secure binding table. Stop rogue servers and enable DAI with this practical FortiLink implementation guide.

8 September, 2026

LLDP on FortiSwitch Managed by FortiLink

Enable LLDP on FortiSwitch ports using FortiLink CLI. Learn to configure rx-tx status and view neighbor details to identify connected device IPs.

23 August, 2026

FortiSwitch Upgrade Status Messages: A FortiLink Field Reference

Decode FortiSwitch upgrade status messages from get-upgrade-status and get-conn-status. Learn what Upgrading, Staged, and flags mean to avoid stuck firmware pushes.

1 June, 2026

FortiSwitch Troubleshooting Guide For FortiSwitches Managed by FortiGate (FortiLink)

Resolve FortiSwitch FortiLink troubleshooting issues. Fix discovery failures, authorization errors, and firmware mismatches with verified CLI commands and config steps.

22 May, 2026

Replacing a failed FortiSwitch in an Multi-Chassis Link Aggregation (MCLAG)

Replace a failed FortiSwitch in an MCLAG pair using the replace-device command. Follow this workflow to remap config and restore links safely.

14 May, 2026

FortiLink Split Interface Deep Dive: Designing Resilient FortiSwitch Topologies

Configure the FortiLink split interface for resilient FortiSwitch topologies. Learn when to enable split mode in FortiGate HA pairs to prevent loops and ensure...

13 May, 2026

Replacing a FortiGate managed FortiSwitch

Learn how to replace a FortiGate managed FortiSwitch using the execute replace-device command. Preserve VLANs and port configs without manual reconfiguration.

17 March, 2026

Monkey Bites – LLDP and LLDP-MED on Various Platforms

Enable LLDP on FortiGate, Cisco, and Juniper devices. Get the exact CLI commands to configure LLDP and LLDP-MED for VoIP and network discovery.

11 March, 2026

FortiLink NAC or NAC Lite

Configure FortiGate FortiSwitch NAC without extra software. Learn to set up NAC Lite, create VLANs, and define policies for device onboarding and isolation.

26 January, 2026

InfoSec Monkey Lab – Update

Build a Proxmox Eve-NG lab for FortiGate SD-WAN, FortiNAC, and BGP testing. Configure multi-homed ISPs with WAN emulation for jitter and latency.

18 January, 2026

MAC Sticky Ports on FortiSwitch

Learn how to configure FortiSwitch sticky MAC ports via CLI to restrict unauthorized devices. Set learning limits and save MACs for persistent security.

3 February, 2021

Port Mirroring on FortiLink’d FortiSwitch

Configure port mirroring on FortiSwitch managed by FortiGate using the CLI. Mirror specific ports for voice recording with this exact config.

2 February, 2020

Packet Capture on FortiSwitch

Configure FortiSwitch packet capture via CLI. Learn to enable port sampling, run diag sniffer, and export raw data to PCAP for network troubleshooting.

2 February, 2020

Bridged FortiAPs and Managing Remote Switches Across the Bridge

Configure a FortiGate wireless bridge to extend VLANs and manage remote FortiSwitches via FortiLink. Includes AP profile and LLDP settings.

7 January, 2020

Fortinet Ports and Protocols

Find the exact Fortinet ports and protocols for FortiGate, FAZ, FMG, and more. Configure your firewall rules for Zero Trust environments with this cheat...

8 June, 2019

Useful Fortiswitch CLI commands and settings

Master FortiSwitch CLI commands to monitor port status, filter spanning-tree events, view MAC address tables, and configure syslog settings on FortiGate.

2 May, 2019

Fortigate / Scrutinizer NetFlow Deployment

Deploy the Scrutinizer VM and configure Fortigate NetFlow export. Follow these steps to enable traffic monitoring on your firewall with minimal config.