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Ehsan Ghasisin

Ehsan Ghasisin

Ehsan Ghasisin works on computer and network security and the latest technology to design, implement, and maintain to help companies reduce risk and increase business activity. He has 15 years of experience and a computer and network engineering degree.

Cisco RV345 dual-WAN router under a digital cloud graphic, illustrating affordable network redundancy and reliable uptime for SMBs.

Network Redundancy for SMBs: An Affordable Uptime Guide

Ehsan Ghasisin

Ehsan Ghasisin 10/14/2025 9:43am 6 minute read

How To | Expert Picks

Bottom Line Up Front (BLUF)Network redundancy isn’t just for large enterprises. For SMBs, it’s the most cost-effective safeguard against downtime and the foundation of SMB network uptime...

Palo Alto Networks SD-WAN device with a cloud icon above it, representing Network Devices’ 2025 practical guide for SMBs on SD-WAN solutions.

SD-WAN for SMBs: A Practical Guide for 2025

Ehsan Ghasisin

Ehsan Ghasisin 10/07/2025 11:00am 6 minute read

Software/License/Protocol | Expert Picks | Firewall

Is SD-WAN worth it for SMBs?Absolutely. For any SMB with multiple locations, a remote workforce, or heavy cloud app usage, SD-WAN is a strategic investment. It directly cuts high MPLS costs, speeds up...

Effective network segmentation strategies with on-premises hardware — blog cover showing secure switch and shield icon.

Effective Network Segmentation Strategies Using On-Premises Hardware

Ehsan Ghasisin

Ehsan Ghasisin 09/18/2025 6:55am 9 minute read

How To | Switch | Firewall

Network segmentation is now crucial in cybersecurity, helping contain threats and prevent lateral movement during breaches. Many IT managers acknowledge its importance but are unsure how to...

Diagram showing cybersecurity compliance hardware architecture for SMBs and MSPs.

Cybersecurity Compliance for MSPs & SMBs: A Practical Guide

Ehsan Ghasisin

Ehsan Ghasisin 09/11/2025 11:52am 13 minute read

Buying Guide | Firewall

Cybersecurity is now a legal requirement for small and midsize businesses (SMBs) and their managed service providers (MSPs). Regulations such as HIPAA, PCI DSS, GDPR, SOX, and NIST set strict data protection...

Banner image for article titled Firewall ACL Best Practices: 8 Common Mistakes and How to Fix Them, featuring Palo Alto PA-850 firewalls.

Firewall ACL Best Practices: 8 Common Mistakes & How to Fix Them

Ehsan Ghasisin

Ehsan Ghasisin 08/28/2025 11:22am 9 minute read

How To | Expert Picks | Firewall

Minor Access Control List (ACL) errors create major security gaps. Misconfigurations like improper rule order or overly broad permissions are common access control list errors that can expose critical...

Banner image for Network Devices article: Fortinet FortiGate G-Series Technical Review and Model Comparison (2025), showing FortiGate firewall hardware models.

Fortinet FortiGate G-Series: Technical Review & Model Comparison (2025)

Ehsan Ghasisin

Ehsan Ghasisin 08/22/2025 11:22am 6 minute read

Comparison | Expert Picks | Firewall

Bottom Line Up Front (BLUF)The Fortinet FortiGate G-Series is the next evolution of the company's firewall hardware, replacing the successful F-Series. Its primary differentiator is a purpose-built...

Banner image for a guide on how to fix a network bottleneck, featuring the article title and a blue digital sphere representing a network.

How to Find and Fix Any Network Bottleneck

Ehsan Ghasisin

Ehsan Ghasisin 08/07/2025 11:11am 7 minute read

How To | Expert Picks

High network latency, frustrating application timeouts, and constant user complaints are symptoms of a critical problem: a network bottleneck. These network performance issues demand a professional...

Comparison of SMB Wi-Fi access points from UniFi, Omada, Aruba Instant On, and Grandstream with title 'The Ultimate Best SMB Wi-Fi Showdown (2025)' by Network Devices.

The Ultimate Best SMB Wi-Fi Showdown (2025): UniFi vs. Omada vs. Aruba Instant On vs. Grandstream

Ehsan Ghasisin

Ehsan Ghasisin 07/31/2025 11:49am 7 minute read

Comparison | Buying Guide | Access Point

For most professional SMB Wi-Fi environments in 2025, Ubiquiti UniFi emerges as the best all-around solution. It offers an unmatched blend of performance, features, and ecosystem integration at a...

Cisco IE4000 Rugged Industrial Ethernet Switch – Hardened Networking Hardware for Harsh Environments

Industrial Ethernet Switches: A Guide to Hardened Hardware

Ehsan Ghasisin

Ehsan Ghasisin 07/29/2025 12:28pm 6 minute read

Expert Picks | Cisco | Switch

In the world of real-time data, automation, and Industry 4.0, uninterrupted network uptime is essential for efficiency and safety.In harsh environments like offshore oil rigs, remote wind farms, or busy...

Should your business upgrade from Wi-Fi 6 to Wi-Fi 7? NetworkDevices visual comparison with wireless icon and smartphone. ( Wi-Fi 7 vs Wi-Fi 6)

Wi-Fi 7 vs Wi-Fi 6: Should Your Business Upgrade?

Ehsan Ghasisin

Ehsan Ghasisin 07/24/2025 11:20am 5 minute read

Comparison | Software/License/Protocol

For businesses whose productivity is hampered by network congestion issues and who rely on high-performance applications, Wi-Fi 7 for business is a strategic upgrade worth making today. For organizations...

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