Kerry CorderoPractical Network Engineering Notes
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Servers

Routing & SwitchingServers

Dell MX Ethernet – No Spanning Tree Uplink and Cisco Nexus Configuration Guide

Dell’s commitment to network efficiency and security has ushered in an innovative feature in its MX configuration – Ethernet with...
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Data CenterServers

SSD Options for Building an Enterprise File Server

Building an enterprise-grade file server entails carefully selecting various components; one of the most crucial is the storage subsystem. Solid-State...
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Laptops & DesktopsSecurityServers

Powershell – Remote Commands

OPTION 1 To run the `ipconfig /displaydns` command on a remote PC named “pc-kcordero” in a Windows environment, you can...
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Laptops & DesktopsServers

Powershell – Test if Port is Open or Closed

Test-NetConnection -ComputerName remote-server -Port port  or Test-NetConnection -ComputerName qa-api.cordero.me -Port 443...
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Data CenterLoad BalancingServers

Design – Redundancy

Here is an explanation of different redundancy levels: N+1 Redundancy In an N+1 redundancy setup, there is one extra (the...
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Servers

Understanding DNS: Why CNAME and MX Records Can’t Coexist for the Same Domain

DNS (Domain Name System) plays an indispensable role in web hosting and domain management. DNS is like a phonebook for...
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Laptops & DesktopsServers

Powershell – SMB Troubleshooting

There are several commands and operations that you can use in PowerShell to troubleshoot a Windows file server that is...
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Laptops & DesktopsSecurityServers

Curl – Test TLS and HTTP versions

To test TLS versions and HTTP versions using CURL, you can specify the desired TLS and HTTP versions using the...
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CodeLaptops & DesktopsServers

Powershell – Explicitly Check the Enabled SSL-TLS Protocols WinHTTP

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will check the Enabled SSL-TLS Protocols WinHTTP $Protocols =...
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Laptops & DesktopsRouting & SwitchingServers

Data Flow – Laptop to Server Communication

The communication between a laptop and a server within a network involves a number of layers and protocols. Here’s a...
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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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