The Problem Engineers Keep Running Into If you have spent any meaningful time operating an enterprise network, you have probably...
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...
Phase 1 = IKE / Phase 2 = IPsec. Examples use a peer 198.51.100.10 and a VRF named CORDERO. ASA...
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 —...