Internet Services, Modems & Routers, Tech Reviews, Computer Networking, Security, and more!
Afroz Ahmad – Main Author of AfrozAhmad.com
Welcome to Afroz Ahmad – I’ve been writing about computer network technologies on my blog since 2012. My name is Afroz Ahmad, and I am a seasoned Network Engineer and author of AfrozAhmad.com.
I’m a CCIE 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
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…
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…
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…
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…
MPLS Terminologies
MPLS Terminologies ————————– >MPLS:-The evolution of MPLS was Cisco’s TAG Switching however as it seems it was Cisco’s proprietary so it must be used in Cisco world only,to make it…
MPLS VPN Scenario
OSPF /32 issue in MPLS VPN Scenario =========================== Yesterday i and my office colleague were doing a MPLS-VPN scenario,where we stuck at a place , the issue was really good…
OSPF Cost Manipulation
OSPF Cost Manipulation ====================== The equation used for cost manipulation in OSPF is :- OSPF Cost=Reference Bandwidth/Interface Bandwidth It simply means that we can manipulate any one of the three…
Switchport Mode Private-Vlan
Hi guys i am back was stuck in some office work. As per the heading we are discussing Private-Vlans today,First of all Why we use Private Vlans in our switches?…
BGP Reachability
BGP Reachability ================= R1 | | | R2—FR CLOUD—R6 | | | R5 Here in the above scenario R1 and R2 both connected to R6 via Frame-relay cloud and…
BGP Filtering Best Practices: Techniques and Guidelines for Using AS-Path Filters, Distribute-Lists, Prefix-Filters, and More.
BGP Default Routing
BGP Default Route Origination ============================= We can originate default route to specific BGP neighbor through route bgp [AS No.] neighbor [ip address] default-originate Note:-By doing this the Default route is…
Eigrp Unequal Cost Load balancing
Today while i was doing lab i was stuck in the scenario where i have to do unequal cost load balancing in the eigrp domain.After many hours i finally got…