Default image

Afroz Ahmad

My name is Afroz. I am a CCIE, and I have been working in Networking Industry for more than 14 years. Currently, I work as a Network Designer for a large Organization. I write about technical topics and challenges a Network engineer faces in day-to-day life in my blog. I love to teach people, and I believe in the simple concept that teaching makes you a better learner.

Data Center Architecture

Data Center Architecture High Level Overview:- Components:- 1. Data Center Networking 2.Application Networking 3.Data Center Security 4.Unified Computing System 5.Unified Fabric 6.Storage Networking 7.Operations & Management 8.Services Component 9.Branch Operations Overview Of Each Component and Devices Used:- 1.Data Center Networking:-…

Bridging LAN Over WAN

Bridging for me is simply straightforward here in Bridging we are NOT rewriting the Layer 3 packet simply forwarding  the Layer 3 information in Layer 2 frame intact from one end to other. Today we are discussing Bridging same subnet…

OER/Pfr ….Watching like hell……

Today we will discuss not so explored cisco outstanding feature OER/Pfr and see how it can monitor and make decisions on its own and route  traffic on the best available path in terms of jitter,delay,bandwidth consumption,etc.. I have taken a…

Spanning-tree Guard Root

STP RootGuard Feature §Root guard is useful in avoiding Layer 2 loops during network anomalies. The Root guard feature forces an interface to become a designated port to prevent surrounding switches from becoming root bridges. §Root guard-enabled ports are forced…

3560/3550 Recovery Procedure

3560/3550 Recovery Procedure———————————— Connect a PC to the console port of the switch, Use a terminal emulation program such as Microsoft Windows HyperTerminal in order to establish the console session. These are the settings: Bits per second: 9600 Data bits:…