Your junior engineer asks where to find the approved firewall rule template. The chatbot confidently responds with a policy that...
If you’ve been using AI tools to help explain concepts like BGP, troubleshoot routing behavior, or draft migration notes, you’ve...
Why You Should Avoid Using VLAN 1 in Cisco Networks VLAN 1 is one of those topics that every network...
What is a MIB? A MIB is essentially a dictionary of things a device can report via SNMP. It defines...
What Is SNMP? SNMP (Simple Network Management Protocol) is built for structured monitoring and device management. It works in two...
As an IT network architect, I like having a short, paste-ready runbook for common site-to-site VPN tasks: validate Phase 1/Phase...
When deploying Zscaler Private Access (ZPA), it’s tempting to take shortcuts during early rollouts: one giant wildcard app segment (*.corp.local),...
Where the ports live The ports defined in the App Segment (e.g., TCP 1–65535 except 53) are remote ports —...
What the Client Does The end user’s browser only ever connects to https://app1.cordero.me → TCP 443. That’s the real traffic...