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Overview/Description
The availability of multigigabit campus switches enables organizations to build high-performance, highly reliable networks. When you follow a systematic network design approach, then performance, reliability, and manageability are achievable. This module describes a hierarchical campus network design approach called multilayer design. Multilayer design is modular, so organizations can increase their network capacity as needed. A multilayer campus design is based on a known campus topology, which aids in troubleshooting. This course will look at network infrastructure...
Overview/Description
An effective and efficient IPv4 addressing scheme is a critical component of the overall enterprise network design and this course covers IP version 4 (IPv4) address considerations and recommended practices in the enterprise network. The course also discusses considerations about routing protocol choice that are related to IP addressing, focusing on IPv4. IP version 6 (IPv6) was designed as a successor to IP version 4 (IPv4), to overcome IPv4 limitations and an effective and efficient IPv6 addressing scheme is a one of the main components of the overall enterprise...
Overview/Description
Many WAN technologies exist today, and new technologies are constantly emerging. You should be aware of possible WAN design choices when considering enterprise requirements as the most appropriate WAN selection generally results in high efficiency and user satisfaction. This course describes the characteristics of WAN architectures and includes a general discussion of how WAN design influences the selection of hardware components and software features. The Cisco Enterprise Branch Architecture takes into account services such as voice, data, video, and security that...
Overview/Description
The enterprise edge connects campus resources to remote enterprise locations using many of the WAN technologies existing today, as well as will use the new technologies that are constantly emerging. The enterprise edge can include the WAN, Internet connectivity, and remote access and virtual private network (VPN) modules. To connect to remote locations, you need to use WAN technologies and WAN transport media and to consider ownership, reliability, and backup issues. In addition, WAN remote access choices include cable and DSL technologies that are used with virtual...
Overview/Description
Many enterprises are integrating their voice and data networks into a single unified communications network. Packet telephony introduces a new set of terms and standards and each technology has a specific role to play in the network. Unified communications networks can run the same applications as telephony networks but in a more cost-effective and scalable manner. To design a network, you need to consider both voice and data traffic. By understanding integrated unified architecture concepts, components, mechanisms, and issues, you will be better prepared to design an...
Overview/Description
A network design must meet the increasingly complex requirements of the organization that it supports. As a network designer, you should understand the needs of the organization and follow a methodology that helps match needs to the network implementation. In the current business climate, organizations are looking for ways to enhance customer relationships, accommodate a mobile workforce, and increase productivity. In addition, companies are looking for ways to integrate emerging technologies like wireless, virtualization, video, unified communications, and a vast number...
Overview/Description
The Cisco SAFE architecture provides the security design guidelines for building secure and reliable network infrastructures that are resilient to both well-known and new forms of attacks. It is important to understand the elements of the Cisco SAFE architecture and how it can be used with an enterprise security policy to counter threats. A modular approach to network security simplifies the network design and ensures that a security breach in one network module will remain isolated and not affect the entire network. This course introduces the Cisco SAFE architecture...
Overview/Description
When sites are interconnected, there must be a way to get information to the correct site. Routing is the process by which information gets from one location to another, and it is important to understand how the various routing protocols work for proper selection of a routing protocol. This course discusses the factors that help determine which routing protocol to use in an enterprise network, using IP version 4 (IPv4) or IP version 6 (IPv6). The course begins with a review of basic routing protocol concepts and fundamentals. It continues to discuss characteristics of...
Overview/Description
The traditional approach to building a network has been to follow the hierarchical core- distribution-access layered model. To further enhance the design process, Cisco has created the Network Architectures for the Enterprise. The Cisco Network Architectures for the Enterprise consists of five modules. These modules represent focused views of the Borderless Network, Collaboration, and Data Center/Virtualization architectures. Each module targets a specific segment of the network. Each module consists of a distinct network infrastructure and services. Some network...
Overview/Description
To create a proper integrated network design, you need to know about the many considerations that affect voice traffic. This course focuses on the types of delay, bandwidth restrictions, and Quality of Service (QoS) issues that affect voice communications. It discusses the importance of coding, which affects bandwidth consumption, voice and video quality, and introduces mechanisms that impact voice and video quality. To design a network to transport voice and video, you need to understand and consider delay, packet loss, jitter, and the impact that QoS can have on...
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