Kerry CorderoPractical Network Engineering Notes
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Kerry Cordero
JoinedMay 2, 2023
Articles706
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.
Security

Accepting Credit Cards: Exploring Options and Best Practices for Enterprises

Accepting credit card payments is a fundamental business requirement in the digital transformation era. For enterprises, choosing the correct method...
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Servers

Design – Scalable Server Infrastructure

Designing and building server infrastructure at scale involves planning, implementing, and managing servers that support applications, databases, high-traffic websites, large...
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Routing & Switching

BPDU Filter vs BPDU Guard

BPDU Filter vs. BPDU Guard: What Is the Difference? Both BPDU Filter and BPDU Guard are Spanning Tree Protocol features...
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Code

Python – Convert Timezone from EST to UTC

When looking at logs, they are usually UTC. This script helps convert the time zone from EST to UTC &...
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Load Balancing

F5 – Working with Route Domains

In the world of networking, segregating traffic and maintaining isolated environments within a single piece of hardware is often crucial....
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Security

Palo Alto – Understanding Zone Protection: Spoofed IP Address vs. Strict IP Address Check

When configuring firewall settings, particularly in a Zone Protection profile on Palo Alto Networks (PAN-OS), it’s important to understand the...
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Routing & Switching

Design – Scalable Network Infrastructure

Designing and building network infrastructure at scale involves planning, implementing, and managing computer networks that support wireless network services, high-traffic...
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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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Routing & Switching

Packet Capture – TCP Flags

In the context of networking and the TCP (Transmission Control Protocol), RST (Reset) and ACK (Acknowledgment) are flags within the...
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CodeSecurity

Python – Get TLS Versions with Cipher Suites

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script prompts for domain and gets the TLS version for...
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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
    • IP Calculator
    • RouteAgg
    • Subnet Breakout
    • Time Zone Converter
    • 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) AI AWS Azure Best Practices BGP Certificates Cisco Cisco ACI Cisco ASA Cisco ASR Cisco Catalyst Cisco CLI Cisco ISE Cisco Nexus 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 PowerShell python QOS snmp Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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