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Routing & Switching

Reserved IP addresses

IP Address Block Address Range Number of Addresses Scope Description 0.0.0.0/8 0.0.0.0–0.255.255.255 16,777,216 Software Current network 10.0.0.0/8 10.0.0.0–10.255.255.255 16,777,216 Private...
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Routing & Switching

Migration Plan – Arista (3rd Party) to Cisco Nexus

Below is only an example. We are migrating from an Arista Network to Cisco Nexus Network, but it could also...
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Security

Migration Plan – Cisco Nexus SVIs to Palo Alto Firewalls

Step 1: Network Audit Begin with a thorough network audit. Document all VLANs and associated Switch Virtual Interfaces (SVIs) currently...
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Security

VLANs and Network Security: A Comprehensive Examination

VLANs are a common way to segment network traffic. While they can provide a degree of security by segregating traffic,...
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Security

Palo Alto – URL Filtering

URL Filtering, an essential component of Palo Alto firewalls, provides granular control over web access by categorizing URLs according to...
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Routing & Switching

The TCP Handshake: An In-Depth Understanding and Troubleshooting Guide

The TCP handshake is an essential process in network communications, serving as the foundation for TCP/IP interactions. In this blog...
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Routing & SwitchingSecurity

DDOS L3, L4, & L7 Attacks: Understanding and Mitigating Threats

Network security remains a top priority for organizations worldwide, with threats manifesting across different layers of network architecture. Understanding the...
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Security

Unraveling The Tactics of Storm-1359: An In-depth Look Into Sophisticated L7 DDoS Attacks

In recent times, the cybersecurity landscape has become more challenging than ever. Microsoft grappled with a series of Distributed Denial...
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Load Balancing

F5 – iRules

F5 iRules are a powerful tool set provided by F5’s BIG-IP application delivery platform. iRules allow you to directly manipulate...
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Security

CyberArk – applicationHost.config vs web.config

Both `applicationHost.config` and `web.config` can be used when managing IIS applications with CyberArk, and the choice between the two generally...
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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 macOS Microsoft IIS Microsoft SQL Microsoft Windows OSPF Packet Capture Palo Alto Palo Alto CLI PDF Planning Ports PowerShell python QOS Splunk SSL Storage Structured Cabling TLS Troubleshooting Upgrade VMWare Zscaler
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