Ccnp

Introduction This article continues the series on LAN switching and Cisco Catalyst switches. This article we’ll talk about dynamic VLAN’s, and explain what VQP …

What is a Trunk? We’ve seen in the previous article that a VLAN is a broadcast domain, a collection of ports or users that we wish to group together within an …

What is a LAN Switch? Logically, we really need to start with the question, what is a LAN switch? A LAN switch is a OSI model Layer 2 device, logically similar …

Introduction This article follows up on last month’s article, Configuring SNMP in Cisco Routers. We’ll talk briefly about SNMP and switches, and also about …

Introduction From doing this network management work, it is apparent that Cisco has been adding a little here, a little there, to the SNMP capabilities of the …

Introduction This month we continue looking at Quality of Service (QoS) in Cisco devices. This article looks at Traffic Shaping Policy Routing QoS Policy …

In this article, we’ll look at the following topics: IP Precedence bits Random Early Detection (RED) Committed Access Rate (CAR) Some Cisco QoS Links The IP …

What Is QoS? QoS stands for Quality of Service. The term is being used by Cisco to refer to IP-based features that allow specification and delivery of services …

OSPF Network Type Please also read the previous article OSPF and Route Summarization– Part II OSPF has three network types: Broadcast networks (Ethernet, Token …

This day, we’ll see how to think of summarizable address blocks in a slightly different way. And then we’ll see how this all applies to configuring route …

Introduction The OSPF routing protocol is playing an increasingly important role in modern networks. It is a multi-vendor standard. We’ll take a look at OSPF …

Recall that an IGP is an Internal Gateway Protocol: whatever your routers speak “at home” — probably RIP, IGRP, EIGRP, or OSPF. We saw that one of the usual …