Zero Downtime Upgrades - An upgrade approach to avoid late nights
Zero-downtime upgrade approach for Cisco VOS apps (CUCM, Unity, UCCX) using refresh upgrade and switch-version to skip overnight maintenance windows.
Posts
Consuming the "Cloud" - How are you doing it?
How enterprises consume AWS and Azure as workloads shift off-premises, and how a network architect prepares for cloud conversations and design choices.
Cybersecurity - Want to be a Security Analyst? The List of things you need to understand
Core skills a Security Analyst Level 1 needs: TCP/IP, packet analysis, IDS/IPS, SIEM, malware basics, and the Cisco CCNA Cyber Ops domains to start.
Introduction to CyberSecEngineer Blog
Introduction to the CyberSecEngineer blog covering CCNA Cyber Ops study notes, security analyst career advice, and hands-on infosec learning resources.
The Job Description of a Security Analyst
What a Security Analyst actually does day to day: SOC monitoring, incident triage, log analysis, and the certifications and skills hiring managers expect.
Training on Cybersecurity and what is out there?
Curated list of free and paid cybersecurity training resources: NICCS, Cybrary, SANS, Cisco Networking Academy, and CCNA Cyber Ops prep paths for analysts.
The Anatomy of a Call Recording Service - Cisco Unified Communications Manager
Call recording is an interesting topic for me and it’s sometimes hard to understand, but It’s easy when you break it down to get what it is all …
Implement NetFlow IOS-XE with NBAR Discovery
Configure Flexible NetFlow on IOS-XE with NBAR app discovery to export traffic records to a collector, including flow records, monitors, and exporters.
CCNP Security 300-206 (SENSS) - The After Math of the Exam - Useful Links
Lessons from failing the CCNP Security 300-206 SENSS exam: weak topics, study gaps, NetFlow NSEL pitfalls, and a curated resource list for round two.
Denial of Service Attack Prevention (IOS)
Configure Cisco IOS TCP Intercept in watch and intercept modes to mitigate SYN-flood DoS attacks on web servers, with thresholds and verification.