Category Archives: Cisco

12 November, 2026

VRF Explained: Virtual Routing and Forwarding on FortiGate, Cisco and Juniper

Learn virtual routing and forwarding (VRF), then build VRFs and route leaking on FortiGate, Cisco IOS XE and Juniper Junos with tested CLI.

10 November, 2026

Meraki CVE-2026-76463: Find and Patch Every Affected Device

Meraki CVE-2026-76463 explained: what the 8.8 access control bundle covers, how to inventory firmware with the API, and which releases fix it.

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.

29 October, 2026

ICAP Configuration on FortiGate, Palo Alto and Cisco: How Content Redirection Really Works

ICAP configuration for FortiGate, Palo Alto Enterprise DLP and Cisco Secure Web Appliance: REQMOD vs RESPMOD, fail-open choices, ICAPS and tests.

21 October, 2026

Cisco Duo MFA for FortiGate Remote Access VPN: SAML and RADIUS on IKEv2

Set up Duo FortiGate VPN MFA on IKEv2: Duo SSO as SAML IdP or the Duo Authentication Proxy over RADIUS, with configs, debugs, and...

17 October, 2026

Deploying Cisco TRex: A Line-Rate Traffic Generator for Your Firewall Lab

Deploy Cisco TRex traffic generator on Ubuntu to test FortiGate throughput. Run stateless and stateful tests with Python automation for accurate lab results.

11 October, 2026

Quick Tip: FortiConverter Route File Format for Importing Static Routes from an ASA firewall

Fix FortiConverter route file format errors. Learn the exact plain text structure needed to import static routes from an ASA firewall into FortiGate.

27 July, 2026

Building a GRE Tunnel Between a FortiGate Firewall and a Cisco Router

Configure GRE tunnel FortiGate Cisco with this practical guide. Learn to set up tunnel interfaces, routing, and firewall policies for hybrid networks.

27 July, 2026

Cisco ASA and FTD Encryption Schemes. What is supported on what version : The Complete Reference

Compare Cisco ASA FTD encryption schemes across versions. See which IKEv1, IKEv2, and NGE ciphers are supported on each release to fix tunnel failures.

16 July, 2026

Cisco Packet Tracer equivalent in FortiGate Firewall?

Find the FortiGate packet tracer equivalent. Use Policy Lookup for mock traffic checks or diagnose debug flow for deep packet inspection and troubleshooting.

16 July, 2026

The Cisco Engineer’s Guide to FortiGate: A Side-by-Side CLI Rosetta Stone for IOS Veterans Landing on FortiOS

Master the Cisco to FortiGate CLI cheat sheet. Map IOS commands to FortiOS syntax for policies, routing, and troubleshooting. No fluff, just working configs.

11 July, 2026

Mastering Routing Administrative Distance: A FortiGate and Multi-Vendor Engineering Guide

Configure FortiGate administrative distance to control route selection. Compare AD values with Cisco, Juniper, and Arista to prevent blackholes and ensure correct failover.

25 February, 2026

Basics of Wireshark – Session 4 – Where to Capture From

Configure Wireshark port mirroring on FortiGate, Cisco, and Juniper devices. Learn to capture PCAPs from switches and firewalls for accurate network troubleshooting.

2 August, 2021

DNS Doctoring on FortiGate

Fix FortiGate DNS doctoring issues when internal clients use external DNS. Configure VIPs with any interface and create inside-to-inside policies for seamless connectivity.

22 May, 2020

Cisco ASA Internet Failover

Configure Cisco ASA internet failover using SLA monitors and track objects. Ping public IPs to detect true outages and switch default routes automatically.

9 February, 2020

SPAN and RSPAN On Cisco Switches

Learn Cisco switch SPAN configuration to mirror traffic for packet capture. Includes standard SPAN and RSPAN setup commands for network troubleshooting.

10 November, 2019

Route-Based VPN between Cisco Router and Fortigate Firewall using OSPF

Configure a route-based VPN between Cisco Router and Fortigate using OSPF. Get working VTI configs for IKEv1 and IKEv2 with no fluff.

7 November, 2019

ASA Route-Based VPN (VTI) with Fortigate Firewall

Configure an ASA Route-Based VPN VTI with Fortigate. Get working CLI configs for Cisco ASA and FortiGate IPsec tunnels with static routing.