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    • 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 Data Encapsulation

      Understanding Data Encapsulation

      The sending and receiving of data from a source device to the destination device is possible with the help of networking protocols when data encapsulation is used. The data is encapsulated with protocol information at each OSI reference model layer when a host transmits data to another device across a network. Each layer communicates with

    • 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

    • 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

    • 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

    • 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

    • 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

    • 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,

    • Enabling IP Routing

      Enabling IP Routing

      WAN connects different LANs with each other to communicate and to share data and resources. As a result, routers must be used on each network or at backbone to route the IP packets and IP routing should be enabled on the routers. Routers must learn the destinations that are not directly connected by building and

    • 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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