Kerry CorderoPractical Network Engineering Notes
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Routing & Switching

Using RFC1918 Ranges in Prefix Lists

The dynamic world of Information Technology is chock-full of terms and practices that can sometimes be challenging to decipher. One...
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Routing & Switching

Cisco – How to Speed Up Traceroute on Cisco IOS and IOS-XE Devices “numeric”

Traceroute is a convenient network diagnostic tool for tracking the pathway taken by a packet on an IP network from...
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Routing & Switching

Route Leaking in VRF Lite – Enabling Communication between VRFs

Virtual Routing and Forwarding (VRF) Lite is a technology used to achieve routing separation in IP networks without MPLS support....
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Wireless

Design – Cisco Wireless Campus

High-performance and reliable wired and wireless networks are essential for business continuity and growth in today’s fast-paced business environment. In...
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Routing & Switching

What is Encapsulation?

In IT networking, encapsulation refers to adding headers, trailers, and sometimes additional data to a packet as it moves down...
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Data CenterRouting & Switching

Cisco – Handling Critical Device Configurations When you Don’t have an OOB Solution, Reload Command

In network engineering, configuring a production device can be a high-stakes operation. One wrong command could cause a cascade of...
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Load BalancingRouting & Switching

Navigating the F5 TMOS Shell: Introduction to the IMI Shell and Basic BGP Commands

Today, we’ll closely examine the F5 TMOS shell, focusing on how to use the Integrated Multiservice Interface (IMI) shell and...
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Data CenterRouting & Switching

Link Aggregation Control Protocol (LACP) and Handling Elephant Flows

In the networking world, link aggregation is critical for building robust, high-performance networks. Link aggregation allows multiple physical links to...
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Routing & Switching

Cisco  – Manual Tracing of Layer 2 Path on Cisco Nexus Switches

1. Identify the issue: Do your best to get all the data possible to help troubleshoot the issue. 2. Determine...
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Routing & Switching

Python – Traceroute with IP Address, ASN, Organization, Country, City

# Author: Kerry Cordero # Version: 1.0.5 # Description: This script prompts for an IP or FQDN and will output...
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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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