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Network Devices Blog

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Why AI Training Stalls: A GPU Cluster Troubleshooting Guide

Ehsan Ghasisin

Ehsan Ghasisin 14 minute read

Expert Picks

• AI training stalls are rarely caused by failing GPUs. The accelerators are usually idle, waiting on storage, the network fabric, or a single slow node. • Three symptom patterns cover most cases:...

MikroTik TG-LR82 and TG-LR92 LoRaWAN sensor tags for temperature, humidity, and motion monitoring.

MikroTik TG-LR82 & TG-LR92 LoRaWAN Sensor Tags

Carmen Tosun

Carmen Tosun 7 minute read

Comparison | Buying Guide | Product Review | News | MikroTik

The MikroTik TG-LR82 and TG-LR92 are two new configurable LoRaWAN sensor tags that measure temperature, humidity, and motion, then report that data over long distances to a MikroTik gateway. They are the...

Network Devices Campus Deals banner for K-12 and higher education, with an AXIS bullet camera, Fortinet FortiGate firewall, and Cisco 48-port switch on a desk in a school setting.

Education Network Hardware Deals for Schools | Campus Deals

Carmen Tosun

Carmen Tosun 9 minute read

Buying Guide | How To | Expert Picks

The best way for a school to upgrade before the next semester is to plan around the full campus network, not one device at a time. That means matching your firewalls, PoE switches, wireless access...

Cisco Licensing: DNA, Network Essentials vs. Network Advantage

Cisco Network Essentials vs. Advantage and DNA Licensing Explained

Govind Jha

Govind Jha 8 minute read

Comparison | Software/License/Protocol | Expert Picks | Cisco

On a modern Catalyst switch you are not choosing between four separate licenses. You buy two stacks at once. The perpetual Network license (Network Essentials or Network Advantage) sets the on-box...

GPU cluster networking for on-prem AI: Network Devices 2026 guide banner with a 3D AI processor chip

GPU Cluster Networking for On-Prem AI (2026 Guide)

Ehsan Ghasisin

Ehsan Ghasisin 13 minute read

How To | Expert Picks

GPU cluster networking is the scale-out network that connects GPU servers so distributed AI jobs can exchange gradients, synchronize model updates, access storage, and coordinate workloads across nodes....

MikroTik RB5009 router with a RouterOS v7 cloud and settings icon, illustrating how to run Docker containers on RouterOS v7.

MikroTik Containers: How to Run Docker on RouterOS v7

Humna Ghufran

Humna Ghufran 10 minute read

How To | MikroTik

Running Docker containers on a MikroTik router used to mean adding a Raspberry Pi or a small Linux box next to your rack. RouterOS v7 changed that. You can now deploy pihole, Cloudflare Tunnel, monitoring...

FortiGate 60F firewall paired with UniFi Pro Max switch, illustrating FortiGate UniFi VLAN setup for engineers.

FortiGate + UniFi VLAN Setup: Engineer's Field Guide

Humna Ghufran

Humna Ghufran 12 minute read

How To | Fortinet

If your FortiGate firewall and UniFi switches are not passing VLAN traffic correctly, the problem is almost always one of three things: a native VLAN mismatch on the trunk port, a missing FortiGate...

MikroTik KNOT Embedded LTE4 Global industrial LTE gateway with DIV, GNSS, and MAIN SMA antenna ports and GPIO header.

MikroTik KNOT Embedded LTE4 Global Review: US-Certified Industrial LTE, BLE, and GNSS Gateway

Carmen Tosun

Carmen Tosun 7 minute read

Product Review | News | MikroTik

The MikroTik KNOT Embedded LTE4 Global (EG25-G&KNe) is a PTCRB, AT&T, and T-Mobile certified industrial LTE gateway that combines LTE Cat4 across 15 FDD bands, Bluetooth 5.1 with Long Range...

Best Next-Generation Firewall 2026: NGFW Strategic Guide featuring enterprise firewall chassis from Fortinet and Palo Alto Networks next to a secure globe icon.

Cybersecurity in 2026: A Strategic Guide to Next-Generation Firewalls (NGFW), AI Defense, and Zero Trust Implementation

Humna Ghufran

Humna Ghufran 13 minute read

Buying Guide | Expert Picks | Firewall

Cyber threats in 2026 are faster, AI-driven, and harder to contain with fragmented network security stacks. Organizations running separate tools for firewalls, VPNs, endpoint protection, intrusion...

Aruba vs Juniper 2026: HPE Merger Buyer's Guide. A side-by-side comparison of a Juniper data center switch and an HPE Aruba CX switch.

Aruba, Juniper, and the HPE Merger: A Network Buyer's Guide for 2026

Humna Ghufran

Humna Ghufran 15 minute read

Comparison | Expert Picks | News | Aruba | Juniper | Switch

If you are navigating the Aruba vs. Juniper decision following the HPE merger in 2026, the short answer is this: buy Aruba for campus environments and buy Juniper for data center fabrics. HPE...

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