Tips n Tricks Archives – Network Nexus

30Oct 2020 by William Mweemba

Netflow and Network Top Talkers. How to Find Them and What to Do Next

Tips n Tricks

Using Netflow to understand your network and get the best performance from your network. What is Network Netflow? Netflow is a network protocol that collects information about network traffic that is flowing through a network device’s interface. Netflow was originally created by CISCO to collect flow data on CISCO devices. These days other vendors have their own versions of the Netflow protocol on their devices. For example, Juniper has j-flow and Huawei has NetStream and S-Flow, etc. Netflow collects data, called flows that are moving through an interface. Flows are a collection of network information exchanged by almost all network devices. Collected flows are sent to a device that can analyze this data. Once collected and analyzed, flows can then be presented in a way that is useful to you,…

25Mar 2020 by William Mweemba

Email hosting-10 important things you need to know

Tips n Tricks

Introduction Communication is key in today’s world, both in personal and corporate life. There are few things more important than effective communication to ensure that your business and your business relationships grow. Because of this, email has been and remains one of the most important tools available to any business owner or person working within an organization. I will now share 10 important questions that I think you should know to help you understand Email Hosting services, Custom Email accounts and how important they can be for you and your organization. 1 - What is Email Hosting? Email Hosting is an internet service that allows you to rent email servers from a service provider so that you can create custom email accounts for your business or personal use. Professional email…

14Nov 2019 by William Mweemba

The Untold Power Behind CISCO Network SPAN

Configuration, Tips n Tricks

They say “Knowledge is Power”, well I believe that “Applied Knowledge, is Power”. - Eric Thomas. Being a network administrator for the past 8 years, I have learned many lessons through experience and learning. Key among these is that the more you know your network, and the more you can see on your network, the more effective you will be as a network admin. There is true power in being able to monitor all the traffic that flows through your network. Seeing all of this traffic lets you quickly and effectively find and fix problems. To be able to quickly see a point of failure, identify which user, or which traffic is causing the issue and fix it, really is a skill that you cannot put a price on. I…

27Mar 2019 by William Mweemba

4 network troubleshooting tools you can’t do without

Tips n Tricks

As a network engineer/professional, half the job you are responsible for is solving problems and putting out fires in your organizations network. Once a network is designed, implemented and commissioned, your job becomes keeping the network running smoothly. This means you become a problem solver for the users of the network. One of the most important skills for any network engineer or network professional is TroubleShooting. When something goes wrong on the network, you have to find the solution. Quick efficient troubleshooting is the mark of a great network engineer. The 4 tools and methods described below, are a must know for successful troubleshooting. And best of all these tools are all either FREE downloads or FREE tools built into most operating systems. Let’s take a look at them. PING…