<![CDATA[The increasing demand for fast, stable, and reliable internet services requires Internet Service Providers (ISPs) to have an effective network monitoring system. PT XYZ, as an Internet Service Provider, requires network monitoring to support bandwidth management and network performance supervision. Based on observations and interviews conducted during the Community Service Program, the existing network monitoring process had several limitations, including the absence of centralized monitoring, limited real-time bandwidth monitoring, lack of informative network visualization, and difficulties in identifying network disturbances. This activity aimed to implement a web-based network monitoring system using Observium to improve the effectiveness of bandwidth monitoring and assist the Network Operation Center (NOC) team in network supervision and troubleshooting. The implementation method used the Waterfall approach, consisting of requirements analysis, system design, implementation, testing, and maintenance. The system was implemented using Ubuntu Server 22.04, Nginx, MariaDB, PHP 8.1, Observium, and Simple Network Management Protocol (SNMP). Black Box Testing was conducted to verify the functionality of the implemented system. The results showed that the system successfully performed login, displayed the dashboard, monitored bandwidth, displayed network devices, and presented traffic graphs. The implementation centralized network monitoring, provided more understandable bandwidth information, and supported faster identification of network problems. Thus, Observium can support the effectiveness and efficiency of network monitoring activities at PT XYZ.]]>
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