Anwar, Md. TawhidRoy, Abishek2026-04-012026-04-0120252025-12ID 20301329http://hdl.handle.net/10361/27683Cataloged from PDF version of internship report.Includes bibliographical references (page 26).This internship report is submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Computer Science.An summary of the professional experience obtained at Stardust Telecom Ltd. at the Network Monitoring Center (NMC) and Technical Support Department is provided in this internship report. Understanding Internet service provider (ISP) architecture and operations, including MikroTik router configuration and management, optical line terminals (OLTs), and fiber-to-the-home (FTTH) networks, was the main goal of the internship. Experience with routing protocols like OSPF and BGP, live network monitoring using programs like Cacti and The Dude, and customer technical support was acquired. The study outlines the difficulties faced and the methods used to solve them when troubleshooting in real time, communicating with customers, and configuring networks.Overall, the program improved my technical expertise and professional skills, bridging the gap between academic knowledge and networking business realities.37 pagesenBRAC University internship reports are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission.Network monitoringISP infrastructureMikroTik routeNetwork troubleshootingCactiThe dudeTechnical supportOLTFTTHOptical line terminalFiber to the homeOptical communications.Optical fibers.Internship Report