Kerry CorderoKISS IT Design Principle - Human Error Prevention
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Kerry Cordero
JoinedMay 2, 2023
Articles673
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.
Security

Palo Alto Cheat Sheet – Device Management

Show general system health information. > show system info...
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Laptops & DesktopsServers

CTRL+ALT+DEL in a RDP Session

If for some reason you need a user that’s RDP’ed into a Server or Workstation to do a CTRL+ALT+DEL, here...
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Routing & Switching

Cisco Error Disabled Ports

=====Verify port status: show int status show interfaces Gi1/0/1 status...
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Data Center

Best practices for using snapshots in the vSphere environment

Follow these best practices when using snapshots in the vSphere environment: • Do not use snapshots as backups....
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Routing & Switching

BGP Transit Prevention

You should avoid configuring a network as a transit network between autonomous systems while using BGP. In a multi-homed BGP...
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Security

Palo Alto Cheat Sheet – Networking

General Routing Commands...
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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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Data CenterServers

Best practices and advanced features for VMware High Availability

Each new version of VirtualCenter Server provides new features that you can configure to change how VMware HA functions. You...
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Data CenterServers

Link Aggregation for VMWare ESXi and ESX

Link aggregation, also known as teaming, is a method of combining multiple network connections to create a single, higher-capacity logical...
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Laptops & DesktopsServers

AD Replication Internally vs Site-to-Site

I’m focusing more on DNS updates. Below is how long a DNS record will update (new record or updated record)....
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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 OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS snmp Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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Troubleshooting Palo Alto Microsoft Windows F5 Cisco
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