P-01 · VLAN Setup
Network Grouping & Switching
Created separate virtual network groups (VLANs) on switches to keep company departments secure and reduce network slowdowns.
Practical switch setup and network segmentation skills
GitHub ↗Network & Support Specialist
The networks are invisible.
Configuring routers, switches, and fiber networks using Cisco & MikroTik. Experienced in GPON/FTTH deployment, ISP operations, VLAN setup, and NOC technical support.
Cisco Networking
MikroTik RouterOS
GPON & Fiber Technology
ISP Operations
VLAN · OSPF · STP
PPPoE · Firewall · QoS
FTTH Deployment
NOC Monitoring & Support
01 / About
Building Reliable Networks
I am MD. Mostafa Raihan, a Network & Support Specialist focused on building fast, reliable, and secure connectivity. Having completed intensive industrial attachment training at One Sky Communications Limited, I bring practical hands-on experience in configuring Cisco enterprise switches, MikroTik RouterOS, and GPON/FTTH fiber infrastructure. My goal is to maintain maximum network uptime, optimize routing traffic, and deliver reliable technical support.
0classes completed in industrial attachment
0core technologies · Cisco MikroTik GPON ISP
0percent hands-on practical learning
0ISP & NOC environment exposure
02 / Skills
Technical modules I work with
Computer Networking
Cisco Networking
MikroTik RouterOS
GPON & FTTH
ISP & NOC Operations
Network Tools
03 / Experience
Industrial Experience
September 2026
Industrial Attachment
One Sky Communications Limited
Completed practical network training inside a live Internet Service Provider (ISP) environment at One Sky Communications Limited. Worked alongside senior engineers to learn daily router setups, VLAN segmentation, MikroTik PPPoE configuration, OSPF routing, and NOC customer troubleshooting.
04 / Academic
Education Background
2023 — 2027
Diploma in Computer Science and Technology
Institute Of Computer Science and Technology (ICST), Feni
Studying Computer Science and Technology. Learning the core principles of computer networking, operating systems, hardware maintenance, and data communication.
2020 — 2022
Secondary School Certificate (Humanities)
Chhagalnaiya Academy
Completed secondary school education with strong foundations in basic mathematics, general science, logical problem-solving, and computer basics.
05 / Certification
My Achievements
December 2026
Industrial Attachment Certificate
One Sky Communications Limited
Earned official industrial attachment certificate after completing physical training labs at One Sky Communications Limited. Proves practical skills in ISP setups and office networking.
Practiced configuring Cisco switches, setting up MikroTik RouterOS features, provisioning GPON OLT/ONU fiber modems, checking routing tables, and fixing connection issues.
06 / Technical Projects
Projects & Configurations
P-02 · Automated IP Setup (DHCP)
Automatic IP Address Management
Configured DHCP servers to share IP addresses automatically with all connected devices, saving time and preventing manual setup errors.
Simple automated IP setup experience
GitHub ↗P-03 · Secure Remote Login (SSH)
Encrypted Device Management
Enabled encrypted SSH access on Cisco routers and switches while blocking unsafe Telnet connections for secure remote administration.
Implemented safe encrypted device logins
GitHub ↗P-04 · Dynamic Routing (OSPF)
Automatic Traffic Rerouting
Set up OSPF dynamic routing across routers so data traffic automatically reroutes if a primary router goes offline.
Basic Layer 3 routing configuration skills
GitHub ↗P-05 · ISP Subscriber Setup (PPPoE)
Broadband Client Management
Configured a MikroTik PPPoE server with user accounts and bandwidth limits to manage broadband internet subscribers efficiently.
Practical ISP broadband configuration experience
GitHub ↗P-06 · Fiber Optic Setup (GPON OLT)
FTTH Optical Fiber Internet
Configured GPON OLT units and ONU subscriber modems to deliver high-speed optical fiber internet to client locations.
Hands-on fiber optic access setup experience
GitHub ↗P-07 · MikroTik Firewall & QoS
Security & Speed Control
Created MikroTik firewall rules to block unauthorized connections and set bandwidth queues to share internet speed fairly.
Network security and bandwidth control skills
GitHub ↗P-08 · NOC Network Monitoring
Live Status & Tech Support
Monitored active network status using ping, traceroute, and log tools to quickly find broken fiber lines or fix disconnected client modems.
Practical NOC troubleshooting experience
GitHub ↗07 / Contact