Afroz Ahmad

Education:

  • Bachelor in Technology (Electronics & Communication)
  • CCNA (Cisco Certified Network Administrator)
  • CCIE (Cisco Certified Internetworking Expert)

Expertise:

  • Computer Networking
  • Networking Gears like Routers, Switches, WiFi equipments, Firewalls, etc
  • Telecom
  • Internet
  • Internet Services
  • Data Center Networks
  • ISPs (Internet Service Providers)

Introduction:

  • Network Designer and Technology writer specializing in Computer Networking, Electronics, Internet, and Telecom.

Experience:

I’m a Network Engineer with more than 17 years of experience in Computer Networking, Data Centers, Telecom, Internet Services, and ISPs. Currently, I work as a Network Designer for a leading ISP equipment vendor.

I share my expertise through my blog and courses, aiming to help people solve everyday internet issues, select the appropriate equipment for their tech needs, and simplify complex networking concepts for both beginners and experienced professionals.

Reach out to me with any questions you have on Computer Networking, Modems, Routers, Internet services, etc.

Latest Posts from Afroz

Latest Posts

How to Copy Large “Show Tech-support” from Cisco Device Using Putty ?

Afroz Ahmad Jan 22, 2012 3 min read
How to Copy Large Show Tech-support from Cisco Device Using Putty

How to copy a large “Show Tech-support” output from a Cisco device using Putty. This is useful in case you are unable to copy the…

Bridging LAN Over WAN

Afroz Ahmad Nov 21, 2011 9 min read
Layer 2 over WAN - Bridging

⚠️ Legacy Technology Notice: This article covers legacy Cisco transparent bridging with IRB using deprecated bridge-group commands from classic IOS. These commands do not work…

EIGRP Neighbor: AS Number Unknown Explained

Afroz Ahmad Nov 3, 2011 9 min read
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In the dynamic world of network engineering, troubleshooting is a timeless skill. While protocols evolve and tools advance, the fundamental principles of packet analysis remain…

Cisco PfR/OER: Modern SD-WAN and Automation

Afroz Ahmad Oct 31, 2011 17 min read
Cisco PfR/OER: Modern SD-WAN and Automation

Today, we revisit a foundational Cisco feature: Optimized Edge Routing (OER), more commonly known now as Performance Routing (PfR). In 2011, we explored how this…

MSDP with BGP Address-family Ipv4 Multicast

Afroz Ahmad Oct 29, 2011 11 min read
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Today we delve into the foundational architecture of MSDP with BGP IPv4 Multicast address-family. While initially published in 2011, the core principles of inter-Autonomous System…

STP Root Guard: Automation & Best Practices 2025

Afroz Ahmad Jun 18, 2011 10 min read
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Spanning Tree Protocol (STP) remains a critical Layer 2 defense mechanism, even in the age of advanced network fabrics. The STP Root Guard feature is…