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
CCNA – Operation Of IP Data Networks 1.5
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
CCNA – Operation Of IP Data Networks 1.4
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
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
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
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
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,
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
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
Nasty Multicast VSS bug on Catalyst 4500-X
I ran into an “exciting” bug yesterday. It was seen in a 4500-X VSS pair running 3.7.0 code. When there has been a switchover meaning that the secondary switch became active, there’s a risk that information is not properly synced