Configuration Tips

In this article, we will be looking at Network Address Translation (NAT) on the Cisco ASA. I will assume the readers of this article know what NAT and the Cisco ASA are, so I will just give an overview. In the simplest form, the Adaptive Security Appliance (ASA) is Cisco’s …

F5 load balancers are very important devices for distributing and balancing application and network traffic across servers. That is done in order to increase system capacity, with a fast and seamless delivery of packets. We can divide load balancer appliance in general into two main categories. 1 – Transport layer load balancer …

To give yourself the best chance of passing Cisco Certification Exams, all you need is: Study material Study tools Learning technique(s) Time With these four things on your side you’re putting yourself in the best position to pass the exam. Let me elaborate on each of these points and why I feel they’re so …

The Wi-Fi is slow is a common complaint in the network world. Poor performance on a Wi-Fi network has many different causes, some of which include: Access Points  using legacy data rates such as 1 and 2 Mbps Too many devices transmitting on the same channel Accesso Points transmitting too …

How many times – when connecting to a wireless network – you experienced: Wi-Fi connection problems Slow Wi-Fi data transfer Wi-Fi misconfigurations ALL OF THE ABOVE! 🙁 Over the past couple of years, Wi-Fi has become the most common and ubiquitous way to connect your devices to the Internet. Unfortunately, this …

Route reflectors became an essential part of any larger internet service provider’s environment. It would be hard to imagine multiple routers running BGP in full mesh topology these days when scalability is the key. The complete route reflector concept can be found in RFC4456, which dates back to 2006. It’s very …

Thinness and thickness are architectural concepts, to the point that both types of routers might even be virtualized. Strictly speaking, thin and thick routers is SDN (Software Defined Network) jargon rather than industry standard language. These terms are getting more and more widely used and they are so meaningful and …

Hot Standby Routing Protocol (HSRP) is a Cisco proprietary default gateway redundancy protocol. If the primary gateway fails, HSRP automatically redirects hosts to the the backup gateway. HSRP has been covered in few RouterFreak’s articles such as: Comparing HSRP vs VRRP How to configure HSRP on a Cisco router First Hop Redundancy …

Running a reliable and fast network is not something that just happens. It requires the right tools and the right skill sets to tackle the steps to reduce the number of problems that occur, and when they do occur resolve them in a timely manner. Many problems can be prevented …

This article describes the configuration of an interesting network scenario that is applicable in many real world situations, mainly in small to medium networks. We have three different internal LAN networks which host user computers and other IT infrastructure (servers, network printers etc). We want to separate the three internal …