BGP and MPLS-Based VPNs
What is a VPN? A Virtual Private Network or VPN is a network implemented using a shared network infrastructure but so as to provide the security and privacy of …
Continue readingWhat is a VPN? A Virtual Private Network or VPN is a network implemented using a shared network infrastructure but so as to provide the security and privacy of …
Continue readingWhat is SMDS? Switched Multimegabit Data Service (SMDS) is a high-speed, connectionless, low-delay, packet switched, networking service that operates over …
Continue readingIntroduction This article continues the series on LAN switching and Cisco Catalyst switches. MultiLayer Switching (MLS) is a key component of high performance …
Continue readingIntroduction 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 …
Continue readingIntroduction This month we continue looking at Quality of Service (QoS) in Cisco devices. This article looks at Traffic Shaping Policy Routing QoS Policy …
Continue readingIn 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 …
Continue readingWhat 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 …
Continue readingOSPF Network Type Please also read the previous article OSPF and Route Summarization– Part II OSPF has three network types: Broadcast networks (Ethernet, Token …
Continue readingThis 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 …
Continue readingRecall 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 …
Continue readingWhat is Network Address Translation? The new Network Address Translation (NAT) functionality in the Cisco routers allows privately addressed networks to connect …
Continue readingThe acronym RMON stands for Remote Network Monitoring. The RMON MIB documents are SNMP standards documents specifying information that an RMON agent can collect …
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