Kerry CorderoPractical Network Engineering Notes
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Routing & Switching

Routing & Switching

From Peer-Groups to Update-Groups: A Look at BGP Efficiency

Border Gateway Protocol (BGP) plays a pivotal role in the networking world, governing how routers share information about the paths...
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Routing & Switching

The Power of “No”: Understanding the “no bgp default ipv4-unicast” Command in BGP Configuration

When it comes to Border Gateway Protocol (BGP), there’s a myriad of configuration options available to network engineers. One command...
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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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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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Routing & Switching

MTR Analysis Deep Dive: When Packet Loss Isn’t Really Packet Loss

Intro When diagnosing latency or packet loss, many engineers turn to MTR (My Traceroute) — a hybrid of ping and...
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Routing & Switching

The Importance of Out-of-Band Management in Enterprise Networks

Out-of-Band (OOB) management plays an invaluable role in maintaining and securing a robust network infrastructure in enterprise networking. Understanding its...
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Routing & Switching

BGP Troubleshooting

Main Troubleshooting Flowchart Troubleshoot BGP Neighbor Establishment Troubleshoot Routes Missing from the Routing Table Troubleshoot Multihoming Inbound Troubleshoot BGP Route...
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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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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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Routing & SwitchingSecurity

Packet Capture – Cisco Nexus

Cisco Nexus switches use a slightly different syntax compared to the ASA series for packet capturing, which is accomplished through...
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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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