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Data Flow – Windows AD DNS with Conditional Forwarders

Here’s a simplified breakdown of the data flow that occurs when a client computer in an Active Directory (AD) environment...
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Laptops & DesktopsRouting & Switching

Troubleshooting – Finding Laptop with only the DNS Name

Finding the switch port that a laptop is connected to with just its DNS name requires a few more steps...
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CloudData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

BCP – Business Continuity Planning

Business Continuity Planning (BCP) for IT Networking is a crucial aspect of ensuring the availability and resilience of network infrastructure...
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CloudData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersWireless

Certificates Self Signed vs 3rd Party

Here’s an explanation of the importance of self-signed certificates and third-party certificates in the context of certificate chains: Self-Signed Certificates:...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Evaluating IT Network Costs: OpEx, CapEx, and TCO

Cost consideration is an essential aspect when designing and implementing network architecture. Here, we delve into the three primary components...
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Laptops & DesktopsServers

Data Flow – DNS Resolution with AD and F5 BIG-IP DNS

1. Local Cache Check: You attempt to access a website (say, `app.lb.cordero.me`) on your Windows AD-managed laptop. Your operating system...
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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 CenterLaptops & DesktopsLoad BalancingRouting & SwitchingServers

Architect – M&A Basic Plan for IT Network Migration

Migrating overlapping IT networks can be a complex task that requires careful planning and execution to ensure a smooth transition....
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Laptops & Desktops

Windows 11 WSL Error – Please enable the Virtual Machine Platform Windows feature and ensure virtualization is enabled in the BIOS

I was installing Ubuntu in Windows 11 using WSL. I was getting the error below: “Please enable the Virtual Machine...
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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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  • 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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