This paper presumes that your enterprise already has a data network security policy in place. It examines the many different settings that are available to help secure the Cisco IP Phones from potential hacker attacks, and it looks at a selection of Cisco secure infrastructure technologies that are especially useful for protecting voice systems. 

It may be surprising to some that Cisco routers run many services that could create vulnerabilities. This paper is meant to be a vehicle for discussion regarding the security of Cisco routers. Additionally, some best practices for securing your Cisco routers are defined. 

Read this case study to learn how IT can make a difference in a firm's effectiveness and productivity by aligning security with business strategy. 

This paper helps students understand the types of information required to pass the new 640-802 CCNA composite exam by providing a convenient review of the exam's critical concepts. 

This white paper is the first in a three-part series, each of which examines the challenge of implementing network security on equipment from Cisco Systems while maintaining the connectivity requirements of the business or enterprise. 

This white paper will focus on discovering and implementing Cisco's Unified Mobility solutions so that we can give our mobile employees an easier, and yet, more robust way of communicating, no matter the wired or wireless network they are currently connected to. 

In today’s era of borderless networks, minimizing your exposure to outside threats is more crucial than ever. In this video, discover how to reduce the potential attack surfaces available to data thieves without buying any new hardware or software. Learn the latest methods employed by hackers to gain access to your network and how to eliminate them 

Manchester College had phone and voicemail systems that had outlived their life expectancy. CDW implemented an advanced unified communications system that brought their phone and voicemail into the 21st century. 

The Konrad-Zuse-Zentrum, also known as the Zuse Institute Berlin (ZIB), has installed two innovative Nexus 5020 switches from Cisco on its high‑performance network. By using the Cisco® Nexus 5000, ZIB has very cost effectively increased the speed at which huge volumes of data are transported to and from its in-house supercomputer. 

There has been a lot of interest among students lately on the details surrounding the CCNA (Cisco Certified Network Associate) specializations and their relationship with the corresponding CCNP specializations. The purpose of this white paper is to put all the information about these into one concise reference document. 

3G wireless solutions tend to be relatively low-cost and high-speed and are often available in areas where acquiring wired service may be difficult or impossible. This document demonstrates how to address some of 3G's limitations through the use of Cisco® Wide Area Application Services (WAAS). 

Watch this Flash Demonstration of Virtual Machine and Blade Servers optimized SAN features. Learn about VMware optimized SANs utilizing Cisco MDS NX-OS software and switching modules.