Kerry CorderoPractical Network Engineering Notes
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Routing & Switching

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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Routing & Switching

Cisco Stacks – Network Upgrades with ISSU and Cisco StackWise Virtual

In today’s fast-paced world, network reliability and uptime are critical for any business. However, network administrators often face a daunting...
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Routing & SwitchingServers

Understanding Redis Master-Slave Architecture and Replication

Redis, a renowned database management system, employs a master-slave architecture to enhance performance and ensure data availability. This architecture is...
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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

Cisco Nexus – Upgrading with In-Service Software Upgrade (ISSU)

In the fast-paced world of networking, system uptime is a top priority. When upgrading network infrastructure, minimizing downtime is essential....
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Routing & Switching

Understanding and Troubleshooting UDP Session Timeouts in Firewalls

When dealing with network traffic, understanding the behavior of different protocols is vital. UDP, or User Datagram Protocol, is a...
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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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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 Cisco Stack 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 Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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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
    • IP Calculator Slicer
    • IP Prefixlist LE GE 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 Cisco Stack 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 Spanning-Tree Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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