Optimalisasi Jaringan Wifi Menggunakan VLAN Dan DHCP
Abstract
This study optimizes the WiFi network at SMK Negeri 1 Bengkulu Selatan by implementing Virtual Local Area Network (VLAN) and Dynamic Host Configuration Protocol (DHCP). The implementation uses a MikroTik RB951Ui-2HnD router and a TP-Link ES205G managed switch. The network is divided into VLAN 10 for the Laboratory, VLAN 20 for Administration, and VLAN 30 for the Teachers’ Room, each with a separate DHCP service. Bandwidth management uses Simple Queue with the Hierarchical Token Bucket (HTB) method, while network quality is evaluated using Wireshark. The results show that throughput increased from 4.06 Kbps to 180.02 Kbps, delay decreased from 2.461 ms to 0.256 ms, jitter decreased from 0.352 to 0.335, and packet loss remained at 0%. Bandwidth allocation became more balanced, and inter-VLAN isolation operated as designed. These results indicate that VLAN and DHCP can improve network structure, traffic management, and the reliability of the school WiFi network.
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