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Routing & Switching

Laptops & DesktopsRouting & SwitchingServers

Data Flow – Laptop to Server Communication

The communication between a laptop and a server within a network involves a number of layers and protocols. Here’s a...
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Routing & Switching

URI vs URL

A URI (Uniform Resource Identifier) and a URL (Uniform Resource Locator) are both used to identify resources on the Internet,...
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Routing & Switching

Python – Use RIPE to Research IP Subnet (BGP AS, Geolocation, Reverse DNS, CIDR Block, & Registration)

# Author: Kerry Cordero # Version: 1.0.0 # Description: This script will use RIPE to Research IP Subnet (BGP AS,...
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Routing & Switching

Data Transfer Time

To calculate how long it would take to transfer a certain amount of data over a given network connection, we...
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Laptops & DesktopsRouting & Switching

Troubleshooting – Finding Laptop with only the DNS Name

Finding the switch port that a laptop is connected to with just its DNS name requires a few more steps...
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Laptops & DesktopsRouting & SwitchingSecurityServers

Data Flow – CURL and HTTPS

Let’s go through the steps and data flow when using `curl` to make an HTTPS request and check for an...
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Routing & SwitchingSecurityServers

HTTP vs HTTP2 vs HTTP3

HTTP 1.1: HTTP 1.1 was released in 1997 and is still widely used today. It improved on HTTP 1.0 by...
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Data CenterRouting & SwitchingServers

Large Data Transfers (backups) – What to look for from a Network, Server, and Storage Perspective

What if you had to transfer a large amount of Data for backups?  Where do you put them?  How do...
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Routing & Switching

Cisco and VLAN 1

In Cisco switches, VLAN 1 refers to the default VLAN that is created automatically when the switch is initialized or...
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Routing & Switching

Troubleshooting – Finding Laptop with only the IP Address

If you have access to the Cisco switch and know the IP address of the laptop, you can identify the...
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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

  • Business Management
  • Cloud
  • Code
  • Data Center
  • Laptops & Desktops
  • Load Balancing
  • Routing & Switching
  • Security
  • Servers
  • Uncategorized
  • VOIP
  • Wireless

Tags

Active Directory (AD) API 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 F5-LTM HTTP(S) IP Addressing and Subnetting macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Structured Cabling TLS Troubleshooting Upgrade VMWare
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