You don't need to learn SDN right now, its not necessary right now. Anyway new CCNA Course and CCIE syllabus already has basics of SDN. There are no jobs available for SDN freshers.   you can read more about SDN here: http://networkbulls.org/blog/all-you-need-to-know-about-software-defined-networking-sdn/... (more)

Not more 46,000 Active CCIE's in the world.

Demand is of more than 3,00,000 CCIE's in the world.

CCIE Certification is in great demand.

There's no any official Certification which can be used as PHD or Doctorate in Networking. But CCIE Certification ranks up there, just ahead of any PHD subject covered by students. If you are CCIE certified, that means you are cut above the rest. Being a CCIE Certified engineer in India means that you have all the knowledge that is required to solve any type of task related to that particul... (more)

So you want to know How to Configure IP Addressing on Cisco Routers? Here's a Simple Step by Step Configuration and Implementation guide Video Tutorial created by one of the students of Network Bulls: you can look at the Video, it has been created using GNS3 old version i guess. this video will guide you on Commands to configure IP Address on Cisco Routers. You can ask your comments here and... (more)

So you want to know How to Configure IP Addressing on Cisco Routers? Here's a Simple Step by Step Configuration and Implementation guide Video Tutorial created by one of the students of Network Bulls: you can look at the Video, it has been created using GNS3 old version i guess. this video will guide you on Commands to configure IP Address on Cisco Routers. You can ask your comments here and... (more)

Phase 2: When SPOKE wants to communicate with another SPOKE, a dynamic SPOKE to SPOKE tunnel will get created! CEF table for SPOKE2 from SPOKE1 route will be incomplete and will be in incomplete adjacancy Therefore the SPOKE1 sends a NHRP request to the HUB and when HUB replies, the SPOKE2 route will become valid During resolution request, CEF won't be used - Process Switching using Routin... (more)

The difference between DMVPN Phase 2 and Phase 3  can be understood in terms of routing.   So for an example, let's take spoke 1's tunnel ip as 192.168.1.2/24 and spoke B tunnel ip address as 192.168.1.3/24 both of them registering to the same hub 192.168.1.1/24. Consider that we are using EIGRP as a routing protocol. Here's is how phase 2 and phase 3 would look like     Phase... (more)

CCNA Certification is most famous networking Certification but competition level is very high just like some other IT domains like Java, PHP etc. If you really want to establish a strong career in Cisco Networking, then i would suggest you to choose CCIE as your aim. There will be many who will say CCIE is not for freshers or CCIE is very tough. CCIE is tough, but its worth it. I have seen many... (more)

To keep moving with the growing technology Cisco keeps on upgrading the course content of its certification courses. Many Cisco aspirants find it hard to know the latest syllabus and the changes. For staying updated with the latest news of networking industry, you must stay tuned with Network Bull’s Blog. Recently, Cisco revised CCIE Security Certification syllabus from Version 4 to Version 5. ... (more)

Subnetting involves modification of an IP network into smaller IP networks which are called subnets.   In a layman language, Subnetting is a process which involves dividing of a network into smaller networks which are termed as subnetworks or subnets. Every subnet has its own address. Initially, these subnets were designed for resolving the issue of shortage of the IP addresses over Internet. S... (more)

It totally depends upon your area of interest. Before thinking about any such options, you need to ask yourself a question. What is your area of interest, Programming or Networking/Network Security etc? If you are good at coding and see yourself writing codes after 5 years then you should go ahead with the career options or courses that move you towards your Goal which is to become a good softwa... (more)

Well, talking about the Scope of CCNA Course in India, we can say that it is increasing with every passing day. India is amongst the countries, which are becoming the networking hub of the world so the demand of CCNA professionals is bound to increase. Many networking giants like Cisco, British Telecom, IBM etc. have already stepped in the Indian market and others are planning to enter in the nea... (more)

Major Differences between Cisco Router and Switch: Both Routers and switches are networking devices which allow computers to establish connection with other computers, devices and networks. Many a time, networking aspirants find it difficult to differentiate between a router and a switch as both the devices look quite similar. However, the two networking devices i.e Routers and Switches differ f... (more)

Reading reviews online and implementing changes on the basis of them is totally different from the real world. If you are CCIE definitely it means that you are certified from CISCO and you have knowledge wherein you cannot compare yourself to a professional guy working in MNC from past 5-6 years (average) and is CCIE as well.  No institute in the world can guarantee you a job on the basis ofÂ... (more)

Hi Anirudh, As Nikhil answered the question really well and i appreciate his efforts of putting everything in the answer in a genuine manner,  without any sugarcoating or tempering any information. here's the official reply from NB family: I understand your concern that you have read some reviews written in cisco.com and the thread is quite de-motivating for freshers. Read the cisco.com t... (more)