Switch Types and LAN Switching

A switch is a telecommunication device which receives a message from any device connected to it and then transmits the message only to that device for which the message was meant. It plays an integral part in most modern Ethernet…

VoIP and IP telephony are becoming increasingly popular with large corporations and consumers alike. For many people, Internet Protocol (IP) is more than just a way to transport data, it’s also a tool that simplifies and streamlines a wide range…
DHCP & DHCP Operation

DHCP (Dynamic Host Configuration Protocol) works in a client/server mode. DHCP enables clients on an IP network to obtain or lease IP address or configuration from a DHCP server. This reduces workload when managing a large network. DHCP protocol is…
Video Show: “Lock it Down or Free it Up?”

On February 29th, at the RSA 2012 conference in San Francisco, Christopher Young, Senior Vice President of Cisco Security, delivered a rousing keynote address “Lock It Down or Free It Up?” …“All of these business realities have dramatically amplified network…

Networking hardware company—Cisco, is upgrading its firewall technologies and even its own certification courses to better meet newer challenges in network security. Cisco has introduced a new “reimagined” firewall that adds a level of security smarts that could eventually show…

Cisco’s midrange routers can provide larger businesses with high-performance, secure head ends to aggregate branch office and remote user traffic and to provide ISPs cost-effective wide area network edge solutions. Cisco’s WAN aggregation router product line features the Cisco 7200…

At Mobile World Congress on Tuesday, Cisco announced its take on the reshaping of mobile networks that is emerging, saying it can build a Wi-Fi infrastructure spanning all the way from the access point to the core network. It unveiled products designed to…