ACL, Introducion

Extended Access Control List (ACL) – Established Keyword

The "established" keyword is used to indicate an established connection for TCP protocol. An established connection can be considered as the TCP protocol traffic originating inside your network, not from an external network. This means that the packets belong to an existing connection if the Transmission Control Protocol (TCP) segmenthas the Acknowledgment (ACK) or Reset… Continue reading Extended Access Control List (ACL) – Established Keyword

Advertisements
Introducion

Administrative Distance

Administrative Distance (AD) is a value that routers use in order to select the best path when there are two or more different routes to the same destination from two different routing protocols. Administrative Distance counts the reliability of a routing protocol. Administrative Distance (AD) is a numeric value which can range from 0 to… Continue reading Administrative Distance

Introducion

Autonomous System | Autonomous System Number

                        An Autonomous System (AS) is a group of networks under a single administrative control which could be an Internet Service Provider (ISP) or a large Enterprise Organization. An Interior Gateway Protocol (IGP) refers to a routing protocol that handles routing within a single… Continue reading Autonomous System | Autonomous System Number

Introducion

Difference Between Routable Protocol and Non-Routable Protocol

Routable protocol A Routable protocol is a network protocol which can carry data from one network and can pass through the router to reach another network and be delivered to a computer in that remote network. Examples of routable protocols: Internet Protocol (IP -IPv4 and IPv6), IPX, AppleTalk, VINES Internetwork Protocol (VIP), DECnet Non-routable protocols… Continue reading Difference Between Routable Protocol and Non-Routable Protocol

Introducion

Difference Between Routing Protocols and Routed Protocols

Routed Protocols A Routed Protocol is a network protocol which can be used to send the user data from one network to another network. Routed Protocol carries user traffic such as e-mails, file transfers, web traffic etc. Routed protocols use an addressing system (example IP Address) which can address a particular network and a host… Continue reading Difference Between Routing Protocols and Routed Protocols

Introducion

Difference Between Static Route and Dynamic Route

Routing is the process of selecting paths in a network along which to send network traffic and route is the path to send the network traffic. There are two ways a router learn a route: static and dynamic. The difference between static route and dynamic route is as below. A static route is a route… Continue reading Difference Between Static Route and Dynamic Route

Introducion

Difference between Routing and Switching

Routing and switching are the basic functions of network communication. Routing and Switching are different functions of network communications. The main differences between Routing and Switching are as below. The function of Switching is to switch data packets between devices on the same network (or same LAN - Local Area Network). The function of Routing… Continue reading Difference between Routing and Switching

Introducion

Important Cisco Discovery Protocol (CDP) IOS commands

Important Cisco Discovery Protocol (CDP) IOS commands are listed below. • To see the summary of Cisco device neighbors, run the "show cdp neighbors" IOS command from privilege mode. router01#show cdp neighbors Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP,… Continue reading Important Cisco Discovery Protocol (CDP) IOS commands