Regional Fiber ISP - Core Network Deployment

Production ISP infrastructure serving 700+ subscribers across multi-site deployment (2021-2022)

700+
Subscribers
10Gbps
Backbone
99.8%
Uptime

ISP Core Network Architecture

View Full Diagram (draw.io) View Repository
Upstream Providers 10Gbps BGP MikroTik CCR Core Router pfSense Firewall/LB Distribution SW 1 10GbE Uplink Distribution SW 2 10GbE Uplink GPON Residential Fiber Business Enterprise Managed Backup WAN

Click to open full diagram in draw.io

MikroTik CCR Core

10Gbps capable core router with load balancing across multiple upstream providers

pfSense Redundancy

Dedicated firewall server for load balancing and failover protection

BGP Routing

Multi-homed BGP configuration with upstream provider peering

700+ Subscribers

GPON distribution for residential and dedicated fiber for business clients

Traffic Shaping

QoS enforcement with bandwidth tiers: 10/25/50/100+ Mbps plans

CGNAT & Monitoring

Carrier-grade NAT with real-time bandwidth monitoring and RADIUS authentication

Full Documentation

Detailed network architecture, equipment specs, and deployment info

Configuration Files

Sanitized MikroTik RouterOS configuration (BGP, CGNAT, QoS)