Cisco Modular QoS CLI

For many years and over many IOS releases, Cisco added QoS features and functions, each of which used its own separate set of configuration and exec commands. Eventually, the number of different QoS tools and different QoS commands got so large that QoS configuration became a big chore. Cisco create...

Capacity Planning in OSPF

Although it is possible to have a router attach to more than three areas, the Cisco Technical Assistance Center (TAC) recommends that a greater number of areas be created only after careful consideration. The results of having more areas will vary depending on the router (memory and CPU), as well as...

CiscoWorks VMS

CiscoWorks VPN/Security Management Solution (VMS) is core management software that provides a centralized means of defining and distributing security policies, providing patches and software updates, and ensuring communication with all agents. A Cisco Security Agent is defined as an endpoint softwar...

WLAN Security Threats

The nature of wireless communications makes defending against attacks very difficult but extremely necessary. Threats come in many forms. The vulnerability and exposure of your network comes from inside and outside your network. Arguably, the internal troubles typically outnumber the external threat...

Tuning Router Buffers

 Before we start this discussion, we need to offer three notes of caution on tuning buffers. First, adjusting your router's buffers is usually not necessary. Second, a poor set of buffer parameters can cause serious performance problems on your router and for traffic passing through the router...

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