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Data CenterRouting & Switching

Cisco – Handling Critical Device Configurations When you Don’t have an OOB Solution, Reload Command

In network engineering, configuring a production device can be a high-stakes operation. One wrong command could cause a cascade of...
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Data CenterRouting & Switching

Link Aggregation Control Protocol (LACP) and Handling Elephant Flows

In the networking world, link aggregation is critical for building robust, high-performance networks. Link aggregation allows multiple physical links to...
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Routing & Switching

Python – Traceroute with IP Address, ASN, Organization, Country, City

# Author: Kerry Cordero # Version: 1.0.5 # Description: This script prompts for an IP or FQDN and will output...
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Data CenterRouting & Switching

Troubleshooting L2 Forwarding Issues on Cisco Nexus Switches

Layer 2 forwarding is a critical function in any switch or router. When troubleshooting L2 connectivity issues, the MAC address...
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Routing & Switching

Tier 1 Internet Service Providers in Enterprise Networking (On-Net and Off-Net)

Internet Service Providers (ISPs) play a crucial role in global connectivity, and within this vast landscape, Tier 1 ISPs occupy...
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Load BalancingRouting & Switching

Navigating the F5 TMOS Shell: Introduction to the IMI Shell and Basic BGP Commands

Today, we’ll closely examine the F5 TMOS shell, focusing on how to use the Integrated Multiservice Interface (IMI) shell and...
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Routing & Switching

Cisco  – Manual Tracing of Layer 2 Path on Cisco Nexus Switches

1. Identify the issue: Do your best to get all the data possible to help troubleshoot the issue. 2. Determine...
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Data CenterRouting & Switching

Cisco – Troubleshooting with Show Tech-Support and Tac-Pac on NX-OS

Cisco NX-OS, the network operating system running on Nexus series switches, offers powerful troubleshooting tools to network administrators. Among these...
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Routing & Switching

Race Condition: IGP, BGP, and the Routing Information Base (RIB)

Situation I’ve noticed that Cisco NX-OS prioritizes a locally redistributed route (from OSPF to BGP) over a route learned from...
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Data CenterRouting & SwitchingSecurityServersVOIPWireless

Cisco – Authenticity Assured: Safeguarding Your Network Against Non-Genuine Products

In an era where technology forms the backbone of businesses across the globe, the quality and reliability of network infrastructure...
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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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