Border Gateway Protocol Explained with Examples

The Border Gateway Protocol (BGP) is a complex, advanced distance routing protocol utilized primarily for exchanging routing information between major Internet Service Providers (ISPs) and larger client sites. It uses the Best Path Selection Algorithm to choose efficient routes, supporting the complexity of the public internet.

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CIDR Explained with Examples

What Is CIDR? CIDR (Classless Inter-Domain Routing) was introduced in 1993 (RCF 1517) replacing the previous generation of IP address syntax – classful networks. CIDR allowed for more efficient use of IPv4 address space and prefix aggregation, known as route summarization or supernetting. CIDR introduction allowed for: CIDR allows routers to group routes to reduce the bulk of… Read More »

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Cisco Discovery Protocol – CDP Explained with Examples.

What is CDP? Cisco discovery protocol is a layer 2 protocol (OSI) that operates between Cisco devices such as routers and switches. CDP displays information about the directly connected devices such as device ID, Platform, connected interface, IOS versions, and layer 3 IP address. Key Features of CDP Device Discovery: CDP helps network administrators in discovering Cisco devices… Read More »

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Common Network Security Software.

If you are connected to the Internet through a Wired or Wireless network (USB, broadband Modem, or dial-up), most times you deeply rely on your computer and software for protection from viruses and other threats. If you are connected through a router, it might be able to help; because most routers are equipped with a firewall. This helps… Read More »

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Cisco Router Configuration Example.

This page includes basic feature-by-feature configuration procedures, I must assume you have generated your IP addressing scheme for your network. After your router boots, the following prompt displays: Would you like to enter the initial configuration dialogue [yes]: Enter no. You want to clear an old configuration out of your router and return it to a factory default configuration.… Read More »

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