Mostafa Raihan Networking Enthusiast
Cisco, MikroTik, GPON, and ISP network solutions with practical experience in routing, switching, security, and infrastructure operations.
01 / About
The network environments I have worked with include ISP infrastructure, GPON fiber deployments, and enterprise networks. Hands-on experience in configuring, maintaining, and troubleshooting network systems using Cisco and MikroTik technologies, focusing on scalable connectivity, efficient operations, and reliable service delivery.
02 / Skills
03 / Experience
One Sky Communications Limited
Completed an industry-focused Industrial Attachment Program with practical exposure to Cisco networking, MikroTik RouterOS, GPON fiber technology, and ISP infrastructure. Gained hands-on experience in routing, switching, VLAN configuration, OSPF, PPPoE, firewall, bandwidth management, VPN, and network troubleshooting. Worked with real ISP network environments, NOC operations, OLT/ONU provisioning, FTTH connectivity, and customer support workflows to understand practical network deployment and maintenance processes.
04 / Certification
Successfully completed an Industrial Attachment Program at One Sky Communications Limited . The training provided practical exposure to ISP network operations, enterprise networking, fiber connectivity, and real-world network maintenance activities.
During the attachment period, gained hands-on experience with Cisco networking devices, MikroTik RouterOS, GPON infrastructure, OLT/ONU configuration, VLAN implementation, routing protocols, subscriber management, and network troubleshooting procedures.
05 / Technical Projects
P-01 · VLAN Configuration
Configured VLANs, access ports, trunk links, and inter-VLAN routing to separate network segments and enable efficient communication.
Practical Layer 2 switching and network design experience
GitHub ↗P-02 · DHCP Configuration
Configured DHCP services including IP pools, gateway, DNS assignment, and client connectivity verification for dynamic network access.
Hands-on experience with client network management
GitHub ↗P-03 · SSH Configuration
Configured SSH access on Cisco devices for secure remote management, authentication, and command-line administration.
Implemented secure remote device access
GitHub ↗P-04 · OSPF Routing
Configured OSPF routing, neighbor relationships, route advertisement, and connectivity verification between multiple networks.
Developed practical Layer 3 routing skills
GitHub ↗P-05 · PPPoE Configuration
Configured MikroTik PPPoE server, user profiles, authentication, and client connectivity for ISP service deployment.
Practical ISP service configuration experience
GitHub ↗P-06 · GPON OLT Configuration
Worked with GPON infrastructure including OLT configuration, ONU provisioning, VLAN assignment, and optical power monitoring.
Hands-on exposure to fiber access networks
GitHub ↗P-07 · MikroTik Firewall & QoS
Configured MikroTik firewall rules, bandwidth management, queues, QoS policies, and traffic filtering for ISP environments.
Understanding of ISP optimization techniques
GitHub ↗P-08 · NOC Monitoring
Practiced network monitoring, traffic analysis, incident handling, troubleshooting, and support workflows used in ISP operations.
Exposure to real-world NOC operations
GitHub ↗06 / Contact