Tag: CCNA

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Web Redirection and Design Tips If WCCP protocol is enabled on a router and on an interface, the router

If you have forgotten the router’s enable secret password or someone has just given you a second-hand router, and you

What is Network Address Translation? The Network Address Translation (NAT) functionality in the Cisco routers allows privately addressed networks

BGP Finite State Machine: Troubleshooting (See page 108 of the Halabi book for a diagram). 1. Idle Waiting for Start

Introduction When a site is implementing new router connectivity, it is useful to work from a configuration template to enhance

IPsec Security Association Choices The previous article did not have space to cover some basic choices you have to

/home/nfcuser — user created to drive NetFlow Analyzer, user working directory configs — router configs for NFA use (it’s not happy

What is a VPN? A Virtual Private Network or VPN is a network implemented using a shared network infrastructure

What is SMDS? Switched Multimegabit Data Service (SMDS) is a high-speed, connectionless, low-delay, packet switched, networking service that operates

Introduction This article continues the series on LAN switching and Cisco Catalyst switches. MultiLayer Switching (MLS) is a key component