Category: Hybrid Access Layer

Layer 2 Security – Enterprise LAN Design and Technologies

Cisco provides several Layer 2 security technologies to secure the network infrastructure against various types of attacks. These include Spanning Tree Protocol (STP) security, port security, and VLAN Access Control List (VACL) security. In summary, Cisco provides several Layer 2 security technologies, such as STP security, port security, and VACL security, which can be used …

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Campus LAN Design and Best Practices – Advanced Enterprise Campus Design

LANs can be classified as large-building LANs, campus LANs, or small and remote LANs. A large-building LAN typically contains a major data center with high-speed access and floor communications closets; it is usually the headquarters in a larger company. Campus LANs provide connectivity between buildings on a campus. Redundancy is usually a requirement in large-building …

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Best Practices for Hierarchical Layers – Advanced Enterprise Campus Design

Each layer of the hierarchical architecture requires special considerations. The following sections describe best practices for each of the three layers of the hierarchical architecture: access, distribution, and core. Access Layer Best Practices When designing the building access layer, you must consider the number of users or ports required to size up the LAN switch. …

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