Kerry CorderoPractical Network Engineering Notes
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Routing & Switching

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...
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CloudData CenterRouting & Switching

Lumen Connectivity Guide

Below is a good chart that shows Lumen options:...
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Routing & Switching

Cisco SSH Basic Config

service password-encryption username {NAME} privilege 15 secret {PASSWORD} ip domain-name {DOMAIN} ip ssh version 2 crypto key generate rsa 2048...
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Routing & Switching

Adding a new Cisco Fex – Basic Config

fex 101 pinning max-links 1 description "FEX0101" fex 102 pinning max-links 1 description "FEX0102" interface port-channel101 switchport mode fex-fabric fex...
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Routing & SwitchingSecurity

Palo Alto Routing Verification Basics

Routing & Switching

OSPF Cisco Show Commands and LSA Types

Routing & Switching

Cisco ISE High Level Design

Data CenterRouting & Switching

Cisco Nexus Show Commands for High CPU Usage

I ran these on our Nexus 7K switches....
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Routing & SwitchingServers

Network Speed and Throughput Issues – Some Things to Look For

I wrote a post about using iperf, a tool to test network speed and throughput. I just want to quickly...
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CloudData CenterLaptops & DesktopsRouting & SwitchingServersVOIPWireless

Using iperf3 to Help Troubleshoot Speed and Throughput Issues

When someone reports that a network connection is slow, the first question is usually whether the problem is bandwidth, latency,...
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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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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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