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Afroz Ahmad

Afroz Ahmad

"Hey there, network enthusiasts! My name is Afroz, and I've been a CCIE for over 14 years. I work as a Network Designer, and my true passion is teaching others about the industry and sharing my knowledge through my blog and courses. I know the struggles of navigating the complex world of networking, but I firmly believe that teaching makes you a better learner and reinforces understanding. So, whether you're just starting out or a seasoned veteran, join me on this journey of learning and discovery, it will be worth it, and who knows, you might even have some fun along the way!"
  • Joined: August 30, 2021
  • Articles: 98

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:…

Configure Replace

Configure Replace ————————– If you want to replace your running configuration with the configuration saved in your router flash: memory , you can simply follow the procedure:- First of all check with the available files in the Router flash: memory,issue…

eBGP Peering

eBGP Peering ——————- We are able to peer with a tool in different Autonomous System utilizing eBGP. The AD(administrative distance) for eBGP friends is 20. By default the time-to-live(TTL) is about to 1 for eBGP classes. If a eBGP session…

Dot1x Authentication

Dot1x Authentication ————————– Recently i have configured the Dot1x authentication in my network, thought of posting on my blog. It is a cool feature,with Dot1x authentication we can provide added security at the access layer switches of the network,it uses…

QinQ Tunneling

QinQ Tunneling ———————— This is the method basically used by service providers to preserve Vlan-Ids and to segregate traffic of different customers.It enables service providers to use a single VLAN to support different customers who have a single or multiple…