Networking Insights

Expert guides, product comparisons, and industry analysis for IT professionals

Amsterdam's Data Center Moratorium Is Pushing Capacity to the Edge: Here's What That Means for Your Network

Amsterdam's Data Center Moratorium Is Pushing Capacity to the Edge: Here's What That Means for Your Network

On 12 July 2019, the municipalities of Amsterdam and Haarlemmermeer announced a moratorium halting new data center construction within their borders, pending new policy. The 2020 policy that followed ...

2 Sept 2026

Finding Hard-to-Find Networking Parts: How Networkser Solves the Supply Chain Challenge

Networkser Group B.V., Evgin Aldemir

Finding Hard-to-Find Networking Parts: How Networkser Solves the Supply Chain Challenge

When networking equipment reaches end-of-life, enterprises face sourcing replacement parts nearly impossible. A Cisco Catalyst 2950 switch performed reliably for years suddenly needs SFP modules. A Ju...

10 Aug 2026

Save Up to 90% on Cisco and Juniper Hardware: The Refurbished Network Equipment Strategy

Networkser Group B.V., Evgin Aldemir

Save Up to 90% on Cisco and Juniper Hardware: The Refurbished Network Equipment Strategy

Save Up to 90% on Cisco and Juniper Hardware: The Refurbished Network Equipment Strategy For IT managers managing constrained budgets, the choice is clear: reduce network capacity, delay critical infr...

10 Aug 2026

SFP Transceiver Compatibility: A Technical Guide for Network Upgrades

Networkser Group B.V., Evgin Aldemir

SFP Transceiver Compatibility: A Technical Guide for Network Upgrades

SFP (Small Form-factor Pluggable) transceivers are critical components in modern networking infrastructure. These small modules enable switches, routers, and other equipment to communicate across fibe...

10 Aug 2026

How to Buy Refurbished Cisco Switches: Complete Guide for Businesses

Networkser Group B.V., Evgin Aldemir

How to Buy Refurbished Cisco Switches: Complete Guide for Businesses

Introduction: Smart Purchasing for Enterprise Networks When building or expanding a network infrastructure, the cost of new equipment can strain budgets. Refurbished Cisco switches offer a compelling ...

10 Aug 2026

Why Refurbished Cisco Switches Are the Smart Choice for Enterprise Networks

Networkser Group B.V., Administrator

Why Refurbished Cisco Switches Are the Smart Choice for Enterprise Networks

When your network refresh budget gets slashed but the performance targets stay exactly the same, something has to give. Most network engineers reach for new hardware by reflex: but the smarter move is...

IT Hardware Networking Refurbished Hardware

10 Aug 2026

Refurbished vs New Networking Equipment: The Real TCO

Refurbished vs New Networking Equipment: The Real TCO

The conversation usually starts the same way: "We need to refresh the core switches." A quote lands on the table: twelve new Cisco Catalyst units, full SmartNet, new licences. The number is substantia...

10 Aug 2026

How to Choose the Right SFP Transceiver for Your Network

How to Choose the Right SFP Transceiver for Your Network

You have ordered the switch. The fibres are run. You are about to place the transceiver order and you realise: there are about forty variants of "SFP-10G" and the descriptions all look similar. Choosi...

10 Aug 2026

Cisco vs Juniper Switches: A 2026 Buyer's Guide

Cisco vs Juniper Switches: A 2026 Buyer's Guide

If you are evaluating Cisco and Juniper switches for a new deployment or refresh, you probably know both are enterprise-grade. The real question is: which one fits your environment, your team, and you...

10 Aug 2026

Recoded SFP Transceivers Explained: Innova Compatible vs OEM

Recoded SFP Transceivers Explained: Innova Compatible vs OEM

You insert a new SFP+ module. The switch logs a warning: "Transceiver module in GigabitEthernet0/1 is not a Cisco approved module." Or on some firmware versions, the interface does not come up at all....

10 Aug 2026

SFP Programming 101: Complete Guide for Network Technicians

Networkser Group B.V., Administrator

SFP Programming 101: Complete Guide for Network Technicians

SFP Programming 101: A Complete Guide to Fiber Optic Module Configuration Introduction: Why Your Network Depends on Proper SFP Configuration You're in the middle of upgrading your network infrastructu...

10 Aug 2026