Kerry CorderoPractical Network Engineering Notes
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Kerry Cordero
JoinedMay 2, 2023
Articles701
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.
Data CenterLoad Balancing

F5 – Items Not Synced During ConfigSynch Between Device Group Members

During a configuration synchronization (ConfigSync) procedure, BIG-IP elements that are not synced amongst device group members are discussed in this...
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SecurityServers

Microsoft Recommended Block Rules

From Microsoft:...
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Security

High Level Security Involvement at the Top

Below is a great diagram showing security involvement within a company at the top. Please check out the post because...
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Routing & Switching

EIGRP and OSPF Path Selection Manipulation

I’m hoping to post some examples in the near future but below is how you manipulate the traffic flow with...
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Security

Microsoft Cybersecurity Reference Architectures

Source:https://docs.microsoft.com/en-us/security/cybersecurity-reference-architecture/mcra...
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Security

Palo Alto How and When APP-ID Works

The first TCP Handshake will be allowed if you are using destination TCP/UDP port-based rules with APP-ID. The Palo will...
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Data Center

VDC vs VRF

What is the Difference Between VDC and VRF? Virtual Device Contexts (VDCs) and Virtual Routing and Forwarding (VRFs) are two...
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CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

Evaluating IT Network Costs: OpEx, CapEx, and TCO

Cost consideration is an essential aspect when designing and implementing network architecture. Here, we delve into the three primary components...
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CloudSecurity

Okta Event-Type Logging Filters

These are great to know no matter what, especially with what’s going on with what LAPSUS is showing us with...
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Security

CISA Free Cybersecurity Services and Tools

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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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  • 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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