Kerry CorderoPractical Network Engineering Notes
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SecurityServers

F5 – Leveraging the X-Forwarded-For HTTP Header to Preserve Original Client IP Address in SNAT Traffic

When managing web servers, especially in situations where monitoring or logging is vital, accurately recording the original client IP address...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

RFC 5735 – Special Use IPv4 Addresses

Before we dive into the specifics, let’s take a moment to revisit what RFCs are. Standing for “Request for Comments,”...
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SecurityServers

RFC 6761 – Special-Use Domain Names

The acronym “RFC” stands for Request for Comments. These documents are part of a series that describes how the Internet...
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Servers

DNS – Domain Ownership in Microsoft Active Directory (Don’t use .local or UnOwned Domains)

Using a domain name within Microsoft Active Directory (AD) is pivotal, not just for routing and architectural considerations. Still, it...
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Data Center

Cisco ACI – Object Naming and Numbering Best Practices

Cisco Application Centric Infrastructure (ACI) relies on a well-defined naming convention for its managed objects (MOs) to ensure efficient manageability...
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Data Center

Cisco ACI – Best Practices

 This post provides a list of configuration options in Cisco ACI (Application Centric Infrastructure) that are recommended for most users....
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Routing & Switching

Python – IP Subnetting

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompt for the IP Address and then the SubnetMask/CIDR....
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Organizational Structures for IT – Network Leads & Network Architects

I’ve carried the Architect title over the years of being in IT. Below is my opinion on the difference between...
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Data CenterRouting & Switching

Quality of Service (QoS) – Application Marking Recommendations

In our hyper-connected world, prioritizing specific types of data traffic has become essential. Quality of Service (QoS) is a mechanism...
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Security

Packet Capture – Understanding TCP Headers and Packet Filtering

The Transmission Control Protocol (TCP) is one of the fundamental protocols that power the Internet. It provides reliable, ordered, and...
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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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