Kerry CorderoPractical Network Engineering Notes
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Routing & Switching

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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Routing & Switching

Dasan Zhone Commands

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 & SwitchingSecurity

Palo Alto and Asymmetric Routing

Another fun topic, asymmetric routing.  One thing to keep in mind when it comes to Palo Alto firewalls is that...
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Routing & Switching

Basic Understanding of Over-Subscription

Over-subscription in IT, specifically in network design, refers to the practice of selling or provisioning more resources than are physically...
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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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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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