Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Routing & Switching

Cisco Nexus CLI – Find Fiber Length for Transceiver Used

Cisco can tell you the length of fiber compatible with the Transceiver you are using. sh int e1/1 transceiver Ethernet1/1...
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Business Management

IT Change Control – Don’t work on Assumptions “no news is good news”

In IT, the assumption that “no news is good news” when it comes to production changes can be a dangerous...
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Data CenterServers

Accelerating SAN Design: Embracing NVMe SSDs and Modern Connectivity

The Cutting-Edge of Storage Performance Storage Area Networks (SANs) are the backbone of today’s data-centric enterprises, driving the performance of...
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Data CenterServers

Understanding RAID Rebalance: Ensuring Optimal Performance and Data Protection

In the world of data storage, a Redundant Array of Independent Disks (RAID) stands out as a cornerstone technology for...
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Security

Palo Alto GlobalProtect Timeout Settings

Below are a couple of timeouts but Login Lifetime will disconnect your end users no matter what. If it’s set...
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Security

Transition from Certificate Classes to DV, OV, and EV

Historically, certain Certificate Authorities (CAs) utilized a “Class” system to categorize digital certificates. For instance, VeriSign classified them as: Class...
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Business ManagementCloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

The Crucial Role of Vendor Relationships in IT Infrastructure Management

In a landscape as interconnected as Information Technology, the adage by John C. Maxwell, “Teamwork makes the dream work…” perfectly...
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Routing & Switching

TCP Handshakes – 3 Way, 4 Way, 5 Way, and Simultaneous Open

TCP handshakes are integral to the establishment of connections in network communications. Most network engineers are well-acquainted with the traditional...
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Business Management

Navigating Leadership Challenges: A Roadmap for Management Teams

Strong leadership is the foundation of every successful organization, whether a business, government agency or non-profit. A well-led team can...
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Business Management

Merit-Based Promotions: A Veteran’s Insight into Steering Clear of Pitfalls in IT

With over two decades in the IT field and the privilege of managing talented individuals, I’ve witnessed firsthand the profound...
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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
  • IP Calculator
  • Links
  • Contact

Categories

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

Tags

Active Directory (AD) API AWS Azure 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 F5-LTM HTTP(S) IP Addressing and Subnetting macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare
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