Kerry CorderoPractical Network Engineering Notes
  • 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
  • See all results
Latest
  • Latest
  • Oldest
  • Random
  • A to Z

Routing & Switching

Routing & Switching

Cisco Nexus CLI – Find Fiber Length for Transceiver Used

Cisco can tell you the length of fiber compatible with the Transceiver you are using. sh int e1/1 transceiver Ethernet1/1...
Read More
Routing & Switching

TCP Handshakes – 3 Way, 4 Way, 5 Way, and Simultaneous Open

TCP handshakes are integral to the establishment of connections in network communications. Most network engineers are well-acquainted with the traditional...
Read More
CloudRouting & Switching

Troubleshooting AWS Direct Connect Performance: What iperf3 and MTR Can and Cannot Tell You

Direct Connect performance complaints usually arrive in the same form: the circuit is 1 Gbps, the transfer is running at...
Read More
Data CenterLoad BalancingRouting & SwitchingServers

QSFP vs QSFP-DD vs SFP vs LC vs MPO/MTP – Putting it all together

Transceiver Types Quad Small Form-factor Pluggable Double Density (QSFPDD) Definition: An evolution of the QSFP form factor, this transceiver can...
Read More
Routing & Switching

Understanding the BGP Finite State Machine: From IDLE to ESTABLISHED

The Border Gateway Protocol (BGP) is the backbone routing protocol of the internet, allowing different autonomous systems (AS) to exchange...
Read More
Business ManagementCloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

The Crucial Role of Vendor Relationships in IT Infrastructure Management

In a landscape as interconnected as Information Technology, the adage by John C. Maxwell, “Teamwork makes the dream work…” perfectly...
Read More
Routing & SwitchingSecurityServers

Configuring F5 BIG-IP to Send Logs to Splunk

This post outlines the steps necessary to configure your F5 BIG-IP system to send logs to Splunk, aiding in monitoring...
Read More
Routing & Switching

MTR vs Iperf Network Diagnostics and Performance Tools

MTR and Iperf are tools used in network diagnostics and performance measurements, but they focus on somewhat different aspects of...
Read More
Routing & Switching

Cisco Nexus – VPC L3_VPC_UNEQUAL_WEIGHT in Logs

VPC-2-L3_VPC_UNEQUAL_WEIGHT: Layer3 peer-router is enabled. Please make sure both vPC peers have the same L3 routing configuration The L3_VPC_UNEQUAL_WEIGHT message...
Read More
CloudCodeData CenterLaptops & DesktopsLoad BalancingRouting & SwitchingSecurityServersVOIPWireless

BCP – Business Continuity Plan for Data Center Hurricane Failover & Failback Example

  Table of Contents 1. Objectives 2. Stakeholders 3. RTO/RPO Targets 4. Hurricane Trigger Points 5. Communication Plan 6. Pre-Hurricane...
Read More
Load More

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
© 2026 cordero.me • All Rights Reserved
  • 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
Start typing to see results or hit ESC to close
Troubleshooting Palo Alto Microsoft Windows F5 Cisco
See all results