Cisco

The use of a dynamic routing protocol on a company’s WAN and LAN is standard practice today. Whether you use OSPF or EIGRP to automatically determine the path that your traffic takes, at some point, for some reason, you may want to direct that traffic for yourself. In this article, we will learn what Policy-based…

When it comes to IP subnetting, as you don’t do it everyday, it can be confusing and take a while to get back into. In this article, we will cover a certain type of IP subnet mask – the /30 and /32 bit subnet mask – and find how these subnet masks can be very…

Every network admin is going to have trouble with network links on a Cisco router, at one point or another. The best way to troubleshoot any networking issues is to use the OSI model and go layer by layer. In my article How to use the OSI Model to Troubleshoot Networks, we talked about the…

The OSPF dynamic routing protocol is probably the most popular LAN routing protocol today. OSPF can scale to the largest LANs but can also start out small. While OSPF can be complex to configure, its basic configuration isn’t difficult. Let’s learn how to configure OSPF in the Cisco IOS. What do you need to know…

Do you need to configure dynamic routing protocol for you network? EIGRP may be an excellent choice. It is a full-featured routing protocol that can grow as your network grows. Let’s learn how to configure EIGRP in the Cisco IOS. What do you need to know about EIGRP? Before you configure EIGRP, there are some…

David Davis shows us how to quickly access the console on Cisco routers and switches and how to configure them as terminal servers.

In my time browsing the Cisco website and also from watching Cisco presentations, there are a couple of different methodologies and lifecycle approaches, subscribed to by Cisco that can help any enterprise customer. Let’s find out how these methodologies can help you. How can Methodologies help you? The Wikipedia defines a methodology as: “the analysis…

So many network performance tools tell you that you have too much traffic here or there but then don’t go the next step and tell you what that traffic is and where its coming from. In the past to find out the answer to this, you would have to take a protocol analyzer, put it…

Why monitor the network? One of the hardest tasks to handle in a medium to large network is tracking various assets. This includes computers and their installed hardware, and installed software and related licenses. Fortunately, Lansweeper from Hemoco Software comes to the rescue with a simple to install, simple to use application. Using a small…

The OSPF dynamic routing protocol is probably the most popular LAN routing protocol today. OSPF can scale to the largest LANs but can also start out small. While OSPF can be complex to configure, its basic configuration isn’t difficult. Let’s learn how to configure OSPF in the Cisco IOS. What do you need to know…