Kerry CorderoPractical Network Engineering Notes
  • 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
  • See all results
Latest
  • Latest
  • Oldest
  • Random
  • A to Z

Routing & Switching

Routing & Switching

NMAP – Traceroute with Geolocation

nmap --traceroute --script traceroute-geolocation {DOMAIN} NOTE: You need to run this with elevated privileges. ❯ sudo nmap --traceroute --script traceroute-geolocation...
Read More
Routing & Switching

Cisco Design Best Practices

#VLSM (Variable Length Subnet Mask) SUBNETTING: This is basically taking a large subnet and dividing it out into smaller subnets....
Read More
Routing & Switching

Routing Protocols Comparison Chart

Routing & SwitchingVOIP

Calculating Bandwidth Requirements for VoIP: Understanding G729 and G711

1. G.711 Codec: It uses Pulse Code Modulation (PCM) to create its digital audio signal. This codec provides the highest...
Read More
Routing & Switching

OSPF Cisco Show Commands and LSA Types

Data CenterRouting & Switching

Cisco NX-OS/IOS Configuration Basics Comparison

Cisco NXOS and IOS are two different operating systems used on different Cisco devices. NXOS is used on Cisco’s Nexus...
Read More
Routing & Switching

Cisco QOS Basics

In today’s digital landscape, where data is being exchanged at lightning speed, efficient network traffic management is critical. Quality of...
Read More
Routing & Switching

Cisco LACP

LACP (Link Aggregation Control Protocol) is a standard protocol to bundle multiple physical links between two devices into a single...
Read More
Data CenterRouting & Switching

Port Speed vs Access Speed

Access Speed = Access is Physical. It’s the MAX speed rate potential for the physical port (GigabitEthernet = 1G, TenGigabitEthernet...
Read More
CloudData CenterRouting & Switching

Lumen Connectivity Guide

Below is a good chart that shows Lumen options:...
Read More
Load More

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
© 2026 cordero.me • All Rights Reserved
  • 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
Start typing to see results or hit ESC to close
Troubleshooting Palo Alto Microsoft Windows F5 Cisco
See all results