Edmonton IT & cybersecurity insights
Practical guidance for small and mid-sized business owners — written by the engineers who install, operate, and defend networks every day.
EIGRP Neighbor Flapping: Causes, Fix, and Prevention
EIGRP neighbor flapping points to one of five real causes ranked by frequency. The verified fix and the change that stops it…
DWDM Pre-FEC BER Alarm: Causes and Verified Fix Order
A DWDM pre-FEC BER alarm warns the optical link is heading for failure. Five real causes ranked by frequency, with the verified…
Cybersecurity Edmonton Law Firms: 2026 Threat Guide
Cybersecurity Edmonton law firms need in 2026: real threats targeting legal practices, Law Society pressure, and a practical security baseline.
OSPF Neighbor Stuck in EXSTART: Causes and Verified Fix
OSPF neighbor stuck in EXSTART almost always means an MTU mismatch. Five real causes ranked by frequency, with the verified fix for…
BGP Notification Message Cease, What It Means and How to Stop It Tearing Down Your Sessions
The first time I saw a BGP notification with the cease code, I assumed the peer router had crashed. It had not.…
Office 365 Error Code 5.7.708 Explained, Why Your Mail Is Bouncing and How to Get It Flowing Again
You sent a perfectly normal email to a customer on Microsoft 365 and it bounced back with this delightful message. “Service unavailable,…
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