Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Kerry Cordero
JoinedMay 2, 2023
Articles667
20+ years of experience and proven performance in large scale enterprise network infrastructure architecture, design, implementation, migration, security, operation, troubleshooting, leading/managing teams, and budgets. I have a BS in Cybersecurity and a Master's from the University of Florida.
Laptops & DesktopsSecurity

Packet Capture – Microsoft Windows Built-in Packet Capture PKTMON (Older NETSH TRACE)

Yes, both Windows 10 and 11 include a built-in command-line tool for packet capturing named “Packet Monitor” or pktmon. It...
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Routing & SwitchingWireless

Copy Configs via TFTP

Cloud

Cloud Terminology

1. XaaS is an acronym for “XaaS as a Service” (Anything-as-a-Service) This broad phrase refers to any service that can...
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Routing & Switching

Control Plane vs Data Plane

Let’s say you and I are in charge of public transportation for a small city....
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Routing & Switching

Protected: Cisco IP SLA for BGP and HSRP

There is no excerpt because this is a protected post....
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Routing & SwitchingSecurity

Palo Alto – Incomplete , Not-Applicable, Unknown-tcp/udp , Insufficient Data , tcp-rst-from-client , tcp-rst-from-server

Incomplete = The three-way TCP handshake didn’t complete. (Routing issue or destination server not listening on the port) Not-applicable =...
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CodeLaptops & DesktopsServers

Windows Powershell giving “execution of scripts is disabled” error

I was getting an error when I went to run a PowerShell script.  This was the error: PS C:\> .\kerrys-script.ps1...
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Laptops & Desktops

Ping Sweep on a MAC OSX

Below is a command you can run in OSX to do a ping sweep. There are times I need to...
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Routing & Switching

Netflow on a Cisco ASR1002-X for Orion

I ran into an issue with configuring Netflow on a Cisco ASR1002-X. I was getting an error when I went...
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Routing & Switching

Cisco ARP and MAC Address Aging

If you migrate from a Cisco 6500 to a Cisco Nexus switch, keep in mind that the ARP Default Timeout...
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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
  • IP Calculator
  • 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 Azure 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 Okta OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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