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Ari Ariyanto
Universitas Bina Sarana Informatika
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Dentistry Engineering Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary

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Network Security System Design Using Firewall And VLAN Segmentation Based On Mikrotik At PT Global Solusindo Kompudata Ari Ariyanto; Ade Setiawan
International Journal of Health Engineering and Technology Vol. 5 No. 1 (2026): IJHET MAY 2026
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhet.v5i1.701

Abstract

PT Global Solusindo Kompudata's simple network infrastructure is vulnerable to unauthorized access and decreased productivity due to the lack of VLAN segmentation and firewall. This study aims to design a network security system using VLAN and Layer-7 firewall based on MikroTik for traffic isolation and access restrictions on unproductive sites. This type of development research (R&D) with a mixed methods approach using GNS3 simulation. The population of the entire new building network (93 devices); purposive samples of MikroTik routers, Cisco switches, and specific VLANs. Winbox, GNS3, and Layer 7 analyzer instruments; qualitative-quantitative descriptive analysis with triangulation. The results show that VLAN 10-40 isolates inter-segment communication and the firewall blocks YouTube on VLAN 20-30, with CPU utilization dropping by 30-40%. The design is effective for SMEs, physical implementation with advanced QoS testing is recommended.
Co-Authors Ade Setiawan