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.
Cloud

AWS, Azure, and Google Cloud Terminology Comparison

AWS, Azure, and Google Cloud Terminology Comparison Cloud providers often use different names for similar infrastructure concepts. If you work...
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Routing & Switching

Understanding Network Infrastructure: MDFs, IDFs, and On-Site Data Centers Explained

Understanding the components of your building’s network infrastructure is crucial for effective network management. The critical elements of this infrastructure...
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Laptops & DesktopsServers

Using CURL to get HTTP/S Status Codes

curl -Is https://{SITE}.com | head -1 HTTP/2 200 curl -Is https://{SITE}.com/login.asp | head -1 HTTP/2 404 curl -Is http://{SITE}.com |...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Certificate Chains

HOW CERTIFICATE CHAINS WORK Certificate chains, also known as a chain of trust, work on the concept of Public Key...
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Routing & Switching

Optimize BGP Processing with Update Groups

A concept known as the update group was developed to make BGP processing more efficient. Under the default settings, BGP...
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Routing & Switching

Why some switches show an MTU of 1522 and some like Cisco show 1500

There’s no issue here. Cisco is just showing Ethernet MTU, which is 1500. There are 18 header bytes and 4...
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Routing & Switching

Cisco RMA Options

Security

10 Malware Protection Best Practices

1. Update your frontline defenses Adhere to policies and best practices for application, system, and appliance security. Create unique passwords...
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Routing & Switching

BFD – Bidirectional Forwarding Detection

BFD, which stands for Bidirectional Forwarding Detection, is a protocol used to detect faults within a network. Specifically, it is...
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Security

Best Practices to Strengthen the Security Posture of your Organization’s Systems

-Maintain up-to-date antivirus signatures and engines. -Keep operating system patches up-to-date. -Disable File and Printer sharing services. If these services...
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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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