Reliability is an extremely important aspect in networking.
A network that has been designed without the provision of redundancy is a network with a limited life span.
Customers demand to have 100% service availability, while more and more time sensitive services are injected into networks such as voice and video over IP. These services need […]

Nowadays, security is more important than ever. It’s extremely important that user accounts, passwords and hosts are protected from malicious attacks.
Secure Shell Protocol (SSH) is capable of establishing secure encrypted tunnels for carrying data. SSH protocol can be used for remote access to your network devices, for securely transferring files between hosts and even […]

IP Multicasting is an evolving technology that is used extensively nowadays for fulfilling the needs of streaming applications such as Voice and Video over IP.
Multicasting is proven to be very beneficial to network administrators due to its bandwidth-conserving behavior and broadcast-limitation achievement. IP Multicast allows a source to transmit a stream of data to […]

Cisco Call Manager Express (CME) is an enhanced IP telephony solution that is integrated into Cisco IOS.
It is an ideal solution for small business customers to efficiently use their existing IP data connectivity to incorporate the deployment of voice and IP telephony.
Being able to support IP telephony and IP data traffic through a […]

A few months back, I showed you how to organize your network into smaller subnets. My post covered the details of the concept of subnetting.
So if you missed that article, I would suggest taking a look at it to make sure you understand VLSM and this article in its entirety.
For now, I will assume that […]