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Month: October 2015

Network Simulation – Cisco VIRL Increases Node Count

Cisco VIRL Logo

Great news everyone. Some of you might have seen that I created a petition to increase the node limit in VIRL. I know there have been discussions within Cisco about the node limit and surely our petition wasn’t the single

ddib October 28, 2015November 14, 2015 Announcement, Cisco VIRL 2 Comments Read more

CCDE – Load Balancer Designs

Introduction This post will describe different load balancer designs, the pros and cons of the designs and how they affect the forwarding of packets. Load Sharing Vs Load Balancing The terms load sharing and load balancing often get intermixed. An

ddib October 26, 2015October 27, 2015 CCDE 11 Comments Read more

CCNA – Operation Of IP Data Networks 1.5

CCNA

We move on to the next topic which is 1.5 Predict the data flow between two hosts across a network This is a very important topic for the CCNA. It may feel a bit overwhelming at first to grasp all

ddib October 23, 2015October 24, 2015 CCNA 4 Comments Read more

CCNA – Operation Of IP Data Networks 1.4

CCNA

It’s time for the next topic for the CCNA. 1.4 Describe the purpose and basic operation of the protocols in the OSI and TCP/IP models There are tons of books written on the OSI and TCP/IP model so I won’t

ddib October 21, 2015 CCNA 3 Comments Read more

CCDE – Optical Design Considerations

Introduction As a network architect you should not have to know all the details of the physical and data link layer. What you need to know though is how different transports can support the topology that you are looking to

ddib October 17, 2015October 20, 2015 CCDE 1 Comment Read more

CCNA – Operation of IP Data Networks 1.3

CCNA – Operation of IP Data Networks 1.3

We move on to the next topic: 1.3 Identify common applications and their impact on the network When you work in networking, it’s important to have an understanding of how applications work and what are their characteristics. Is it sensitive

ddib October 15, 2015 CCNA No Comments Read more

CCNA – Operation of IP Data Networks 1.2

CCNA – Operation of IP Data Networks 1.2

The next topic for CCNA is: 1.2 Select the components required to meet a given network specification I wish the blueprint would have been a bit clearer on what they mean with this topic but it’s reasonable to think that

ddib October 13, 2015 CCNA No Comments Read more

CCNA – Operation of IP Data Networks 1.1

CCNA – Operation of IP Data Networks 1.1

We kick off the CCNA series from the beginning. Operation of IP data networks is weighted as 5% in the CCNA RS blueprint. The first topic is: 1.1 Recognize the purpose and functions of various network devices such as routers,

ddib October 12, 2015 CCNA 2 Comments Read more

CCNA RS Workbook

CCNA RS Workbook

Hi everyone, People that know me know that I have always been keen on giving back to the community and helping people in their studies. On that note, I have decided to start creating content for a CCNA RS workbook

ddib October 12, 2015 CCNA 2 Comments Read more

IPv6 Support in VRF on Catalyst 3k

I was looking for information on running IPv6 in VRF on the Catalyst 3k platform and there wasn’t much information available. I tried running IPv6 in VRF on Catalyst 3560 with correct SDM profile but got this error message: Switch(config-vrf)#address-family

ddib October 1, 2015 Catalyst, IPv6 3 Comments Read more

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