Kerry CorderoPractical Network Engineering Notes
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Kerry Cordero
JoinedMay 2, 2023
Articles701
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.
Routing & Switching

Troubleshooting – Finding Laptop with only the IP Address

If you have access to the Cisco switch and know the IP address of the laptop, you can identify the...
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Security

Upgrade Palo Alto HA (High Availability) Firewall Pair

Step-by-step process to upgrade an HA (High Availability) firewall pair to PAN-OS 10.2. Here’s the summarized procedure:   Review the...
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Servers

Policy – Server Infrastructure Monitoring (Example)

Policy Name: Server Infrastructure Monitoring Policy Effective Date: May 24, 2023 Last Revised: May 24, 2023   Policy Statement: This...
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Laptops & DesktopsSecurityServers

Architect – Support Management (Help Desk / Service Desk)

Building out a proper help desk with different levels and delegated alerting is critical for several reasons: Efficient Use of...
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CloudData CenterRouting & SwitchingServers

VMware On-Prem to Azure Cloud Migration Plan

Migrating Windows Servers from an on-premises VMware environment to the Azure cloud requires careful planning and execution. Here’s a general...
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Security

Upgrade Palo Alto Firewalls with Panorama (Internet-connected)

The process to upgrade firewalls when Panorama is Internet-connected involves several steps:   Review the PAN-OS 10.2 Release Notes: Understand...
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Routing & Switching

Policy and Procedure – Upgrading Nexus 9000 NX-OS Operating System with Minimal Downtime

Upgrading Nexus 9000 NX-OS Operating System with Minimal Downtime Policy Statement This policy establishes the procedure for upgrading the Nexus...
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CloudData CenterLoad BalancingRouting & Switching

Policy – Network Device Monitoring (Example)

  Policy Name: Network Device Monitoring Policy Effective Date: May 24, 2023 Last Revised: May 24, 2023   Policy Statement:...
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CodeServers

Powershell – Find all AD Domain Controllers

  Get-ADDomainController -Filter * | Select-Object Name, IPv4Address, Site, OperatingSystem  ...
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CloudData CenterRouting & SwitchingServers

VMware On-Prem to AWS Cloud Migration Plan

Migrating Windows Servers from an on-premises VMware environment to the AWS cloud requires careful planning and execution. Here’s a general...
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  • Home
  • About
  • Disclaimer
  • Guides and Slides
    • AWS Well-Architected Framework
    • Facebook – Running BGP in the Data Center at Scale
    • Microsoft – Experiences with BGP in Large Scale Data Centers
    • Palo Alto PCNSE Study Guide
  • Tools
    • Car Calculator
    • RouteAgg
    • IP Calculator
    • VSLM
  • Links
  • Contact

Categories

  • AI
  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) AWS Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus Cisco Stack DDOS Design DNS EIGRP F5 HTTP(S) IP Addressing and Subnetting Microsoft IIS Microsoft SQL Microsoft Windows Netflow OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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