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    • 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

    • 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,

    • Cisco Network Management

      Cisco Network Management

      Cisco Network Management Overview of Network Management Different people may take network management as different meanings. It may be considered as solitary network consultant for monitoring network activity using outdated protocol analyzer. While network management in distributed database environment, managing network nodes for generating real time graphics and auto polling of network devices. There are

    • Distance Vector Routing Protocol

      Distance Vector Routing Protocol

      Routing Protocols Whenever different networks connect with each other to communicate and to share the data and resources, it is called internetworking. For internetworking, routers must be used on each network or at backbone to route the packets. To route a packet, a router needs to know: Destination Addresses Sources it can learn from Possible

    • Cisco Router Commands

      Cisco Router Commands

      Cisco Router IOS Cisco routers are manageable devices, which means that they have the Cisco IOS software for network and internetwork management. The Cisco’s IOS software delivers network services and enabled networked applications. The Cisco IOS is the CLI based software with which Cisco IOS commands can be executed. Cisco Commands There are more than

    • 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

    • 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

    • Ethernet Cabling

      Ethernet Cabling

      Ethernet is a media access method that is specified at the Data Link layer and uses specific Physical layer cabling and signalling techniques. It is important to be able to differentiate between the types of connectors that can be used to connect an Ethernet network together. I'll discuss the different unshielded twisted-pair cabling used today

    • The Cisco Three Layer Hierarchical Model vs the OSI Model

      The Cisco Three Layer Hierarchical Model vs the OSI Model

      The ISO, International Organization for Standardization is the Emily Post of the network protocol world. Just like Ms. Post, who wrote the book setting the standards or protocols for human social interaction, the ISO developed the OSI model as the precedent and guide for an open network protocol set. Defining the etiquette of communication models,

    • 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

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