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    • Cisco Switch Commands

      Cisco Switch Commands

      Cisco IOS software is installed in the manageable Cisco switches for better LAN management. It delivers network services and enabled networked applications. The Cisco IOS has a command line interface that helps users to execute the Cisco IOS commands. Cisco Switch Commands The Cisco switch IOS has different EXEC modes with distinctive prompts. These modes

    • Understanding Ethernet Networking

      Understanding Ethernet Networking

      Ethernet refers to the family of Local Area Network implementation that was jointly developed by Digital Equipment Corporation, Intel Corporation and Xerox Corporation. It consists of certain specifications and standards as well as hardware devices and components. Ethernet Connection The Ethernet protocol provides for a verity of cabling options, one of which is a specification

    • Interior Gateway Routing Protocol

      Interior Gateway Routing Protocol

      The Interior Gateway Routing Protocol (IGRP) is a network routing protocol that is designed to enable routing inside of an Autonomous System (AS). Cisco developed this protocol in the late 1980s in response to the existing Routing Information Protocol’s (RIP) shortcomings. As Cisco routers became more popular, a number of large networks began using IGRP,

    • Understanding the IPX-SPX Protocol

      Understanding the IPX-SPX Protocol

      IPX/SPX is a protocol suite that is implemented on many corporate internetworks. IPX/SPX was developed to operate in Novell Netware in LAN environment. But today, the IPX/SPX is also used in Microsoft NT, Microsoft XP and Lotus Notes environment along with Vista. IPX/SPX on Cisco IOS The Cisco IOS also provides a wide range of

    • Understanding Frame Relay

      Understanding Frame Relay

      Frame Relay is a protocol for transmitting data over a wide area network (WAN). It was designed to use across ISDN interfaces but it is now used over an assortment of other network interfaces. Once one becomes a master of frame relay design and configuration, it is much easier to obtain a strong understanding of

    • Ethernet at the Data Link Layer

      Ethernet at the Data Link Layer

      Ethernet at the Data Link Layer Ethernet provides services corresponding to Layers 1 and 2 of the OSI reference model, and IEEE 802.3 specifies the physical layer (Layer 1) and the channel-access portion of the Data Link (Layer 2). In addition, IEEE 802.3 does not define a logical link control protocol but does not specify

    • Understanding the Cisco Three-Layer Hierarchical Model

      Understanding the Cisco Three-Layer Hierarchical Model

      Understanding the Cisco Three-Layer Hierarchical Model Hierachical network design helps us to make networks more reliable and predictable. Level by level design help to understand networking factions easily like, we can use tools like access lists at specific level and can avoid them from others. Cisco layer model consist of the following three layers. The

    • Cisco Switch Configuration

      Cisco Switch Configuration

      When executing an inter-network installation, many mechanisms and components are usually involved. Cisco is superior because it is the only inter-networking company with a well made end to end inter-networking solution. Cisco switches makes the LAN more competent by creating multiple collision domains. Each switch port is a split collision domain. With only one device

    • What is VLSM?

      What is VLSM?

      VLSM (Variable Length Subnet Mask) is a technique that network administrators employ in order to use their IP subnet(s) in a more effective manner. By using VLSM, a long mask can be used on a network that has a few hosts and a short net mask on subnets that have a large number of hosts.

    • Spanning Tree Protocol

      Spanning Tree Protocol

      Redundant Topology A Local Area Network may consist of more than one segment. Each segment of the LAN connected through a separate physical device mostly switch. Switches use their uplink ports to connect different segments. The LAN administrator can connect the switches with each other through more than one uplink port using redundant topology. Redundant

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