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Understanding Cisco IOS Command Line Modes

Cisco Command Line Interface (CLI) is the main interface where we will interact with Cisco IOS devices. CLI is accessible directly via console cable or remotely via methods such as Telnet/SSH. From here, we can do things such as monitoring device status or changing configuration. Cisco has divided its CLI into several different modes. Understanding […]

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Manage User Accounts and Passwords in Cisco IOS Devices

Managing user Accounts and passwords in Cisco IOS Devices is very important task. With several different user accounts, you can also set different privilege level for each one of them. Different privilege means different available commands that can be executed per user account. In this article, we will go deep on creating users accounts and all […]

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Understanding Basics of EIGRP Routing Protocol

Enhanced Interior Gateway Routing Protocol (EIGRP) is an advanced dynamic routing protocol that is used for routing decisions and configuration on the routers. EIGRP was developed by Cisco Systems as a proprietary protocol, which can be used only on Cisco routers but in 2013 partial functionality of EIGRP was converted to an open standard.  EIGRP only sends incremental updates, reducing the workload […]

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Enable SSH in Cisco IOS Router

SSH or Secure Shell is basically a secured method of accessing and sending commands to your router’s CLI through a network connection; without having to plug a console cable directly. Unlike standard telnet that sends data in plain-text format, SSH uses encryption that will ensure confidentiality and integrity of the data. There are two versions of […]

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Configure LACP EtherChannel in Cisco IOS Switch

Link Aggregation or Ether Channel is a technology which allows for two or more physical ports to combine into one logical port providing high availability and increased bandwidth. Link Aggregation Control Protocol (LACP) is a industry standard (IEEE 802.3ad) protocol that is used to bundle two or more links and can work with devices from different […]

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Configure PAgP EtherChannel in Cisco IOS Switch

Port Aggregation Protocol (PAgP) also called EtherChannel is a Cisco proprietary protocol that is used for bundling two or more physical ports into single logical port. EtherChannel can provide high availability and increase bandwidth at the same time. There are three different methods to configure EtherChannel in Cisco switch. You can configure it manually or use protocols like […]

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