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isp
IS AI the “killer app” IPv6 needs to further deployment?
AI agents change network traffic patterns completely. Instead of humans opening browsers and apps, autonomous systems start talking directly to APIs, databases, sensors, and other agents. IPv6 removes the address limitations and NAT complexity that break large-scale AI communication.
EVPN-VXLAN for Regional ISPs: Extending Layer 2 Without Spanning Tree
Large VLAN domains depend on spanning tree. Every topology change triggers recalculation and temporary forwarding loss. EVPN-VXLAN replaces large Layer 2 domains with routed underlays and distributed MAC learning. Regional ISPs use this to connect data centers, IX edge infrastructure, and broadband aggregation networks without stretching spanning tree across sites VXLAN encapsulates Ethernet frames inside … Read more
Cambium PMP Release 25.0 replaced by Release 25.0.1
From Cambium This email is to inform you that within the next ~24 hours, Cambium expects to release a new 25.0.1 as a replacement for 25.0. Cambium became aware of a longstanding issue for potential javascript execution on log pages. 25.0 was also discovered to have a bug with Technician level user access being allowed … Read more
When Competence Is Unnoticed: Navigating the Phase of Professional Invisibility
Effective network engineering is intentionally unobtrusive. When systems remain stable, support tickets are not generated. If routing functions correctly, inquiries are absent. When redundancy operates as intended, disruptions are imperceptible.
The Top 6 Most Common MikroTik Configuration Errors Made by Network Administrators
Whether you’re a seasoned engineer or just getting started, this post will walk you through the six most common MikroTik configuration errors and how to avoid them.
The Challenges That Keep ISP Engineers Up at Night
ISP engineers have traditionally been a “person of many hats”. There are many things that keep us up at night. Among them are some of the following.
The Grey Area of Customer Problems in ISP networks
When you run a network, you’ll hit this situation sooner or later. A customer buys a service, but the issue they are dealing with is not related to your network. It is theirs. But do you help them?
Differences between a VLAN and a Private VLAN
Many engineers use the term VLAN in a broad way, often referring to any logical separation on a switch. However, a standard VLAN and a Private VLAN address different needs. Mixing them up can lead to network design mistakes.
How the Modern ISP Network Is Actually Structured
The three-tier model of core (edge), distribution, and access remains the foundation of ISP network architecture, though the distinctions between these layers have become less defined. A current assessment requires analysis beyond standard diagrams.
Why Every ISP Should Have a PeeringDB Listing, Even If They’re Not in a Data Center
Many Internet service providers believe PeeringDB is just for networks in large data centers. That belief sticks around like an old patch cable at the bottom of a toolbox. The reality is simpler: every ISP should have a PeeringDB entry, even if you never set foot in a carrier hotel, IXP, or meet-me room. Your … Read more