Required Commands for Configuring OSPF Within a Single Area

In this section, you learn to configure an internal OSPF router. An internal router is one in which all interfaces lie within a single area. The sole OSPF function of an internal router is to route within the area.   The router needs to understand how to participate in the OSPF network...

Shaping with an Excess Burst

To accommodate bursty data traffic, shapers implement a concept by which, after a period in which an interface sends relatively little data compared to its CIR, more than Bc bits can be sent in one or more time intervals. This concept is called excess burst (Be). When using a Be, the shaper can al...

Intrusion Detection System

Intrusion detection systems (IDSs) are designed to detect and thwart network attacks. Based on their location, IDSs can be either of the following: ?    Network-based IDS (NIDS) Examines or sniffs every packet flowing across the network and generates an alarm upon detection of a ne...

Security Policy Best PracticesA Cisco View

Cisco released a number of excellent SAFE blueprints containing security design guideless. The material at http://www.cisco.com/safe is a must read for any IP engineer or designer. Too many organizations have not followed the fundamental crucial step of developing a security policy upon which to ...

Creating a Traffic Shaping Map Class

A Frame Relay map-class command is used to define and set up the various traffic shaping parameters for use in the feature. The traffic rate enforcement parameters, per-VC queuing, and adaptive shaping to BECN or ForeSight are collectively configured under a Frame Relay map class. Table 5-1 summa...

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