ICT120: Credit Crunch Network Infrastructure Upgrade Report

This report details a network infrastructure upgrade for Credit Crunch, covering structured cabling, network topology, and IP addressing. It outlines the cabling plan, using serial cables for router-to-router connections, straight-through Ethernet cables for router-to-switch and switch-to-device connections, and crossover Ethernet cables for switch-to-switch connections. The network topology diagram illustrates a top-down approach with routers, layer 2, and layer 3 switches. The report explains the applications used, including security software and specialized applications like Predictive Dialler Software (PDS) and Debtor Database Software (DDS). It provides an IPv6 IP addressing plan for internal networks and IPv4 addressing for internet services. The report also discusses network extensions to Melbourne and Singapore branches, detailing necessary adjustments for each. The Melbourne branch requires simple LAN extensions, while Singapore necessitates WAN connections using routers and specific IPv6 subnets. The report concludes by summarizing the key aspects of the network upgrade and its potential future expansions.