In Cisco switches, VLAN 1 refers to the default VLAN that is created automatically when the switch is initialized or...
JoinedMay 2, 2023
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20+ years of experience and proven performance in large scale enterprise network infrastructure architecture, design, implementation, migration, security, operation, troubleshooting, leading/managing teams, and budgets. I have a BS in Cybersecurity and a Master's from the University of Florida.
Here’s a simplified breakdown of the data flow that occurs when a client computer in an Active Directory (AD) environment...
Finding the switch port that a laptop is connected to with just its DNS name requires a few more steps...
The process to upgrade firewalls when Panorama is Internet-connected involves several steps: Review the PAN-OS 10.2 Release Notes: Understand...
Upgrading Nexus 9000 NX-OS Operating System with Minimal Downtime Policy Statement This policy establishes the procedure for upgrading the Nexus...
Postmark is an email delivery service that ensures emails are delivered quickly and reliably to their intended recipients. Postmark makes...
1. Local Cache Check: You attempt to access a website (say, `app.lb.cordero.me`) on your Windows AD-managed laptop. Your operating system...
If you have access to the Cisco switch and know the IP address of the laptop, you can identify the...
Step-by-step process to upgrade an HA (High Availability) firewall pair to PAN-OS 10.2. Here’s the summarized procedure: Review the...
Policy Name: Server Infrastructure Monitoring Policy Effective Date: May 24, 2023 Last Revised: May 24, 2023 Policy Statement: This...