Kerry CorderoPractical Network Engineering Notes
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Routing & Switching

Routing & Switching

STP – Tracking Down Topology Changes and the Importance of Setting the Root Bridge

Finding Spanning Tree Protocol (STP) topology changes in a network is not always straightforward. However, it is critical to identify...
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CloudRouting & SwitchingSecurity

Akamai Prolexic Routed DDOS Protection

So what is Akamai prolexic routed DDOS protection? Prolexic Routed is a simple and effective approach for businesses to secure...
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Routing & Switching

RFC5737 – IPv4 Address Blocks Reserved for Documentation

This post shows three IPv4 address blocks that are available for documentation purposes. Predefined address ranges for documentation and examples...
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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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CloudRouting & Switching

AWS “Allowed Prefixes” BGP Routing with More Specific Route

Scenario: We have a subnet configured in the “Allowed prefixes,” a /16. You can’t change the size of a subnet...
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CloudData CenterRouting & Switching

RADIUS – Cloud Issues

There’s been reports of RADIUS issues when dealing with the cloud because of out of order packets and fragmentation.  On...
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Routing & SwitchingSecurity

VLANs and Access Control

I’m writing this post because I’ve been in many environments where a VLAN is brought up as if it’s securing...
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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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Data CenterRouting & Switching

LLDP vs CDP

LLDP and CDP are both network discovery protocols, but they have some key differences: 1. Standardization and Vendor-Neutrality: LLDP is...
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Data CenterRouting & Switching

Cisco Optics-to-Device Compatibility Matrix

Cisco Optics-to-Device Compatibility Matrix...
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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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