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 […]

VoIP converts voice signals from a telephone into digital signals that can be transmitted over the Internet. VoIP is becoming more popular every day.
Nowadays it is common to find leased lines and VPN connections between company branches which are used to transport voice traffic in addition to data.
However, voice has strict real-time requirements in […]

OSPF stands for Open Shortest Path First and it represents a routing protocol belonging to the group of link-state routing protocols.
OSPF routing protocol is classified among the best dynamic protocols that exist in networks today. It is also considered to be a sophisticated routing protocol that aims to maintain loop-free and accurate routing tables. […]