The ISP playbook.

Deep dives on MikroTik, GPON, payments and capacity planning — written by engineers running production networks.

FEATUREDMikroTik·01 Jun 2026

MikroTik PPPoE Billing with FreeRADIUS: Complete ISP Setup Guide 2026

Step-by-step guide to connecting MikroTik RouterOS PPPoE with FreeRADIUS for automated ISP billing. Covers RADIUS attributes, CoA disconnect on port 3799, rate limiting, and the five most common configuration mistakes.

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Payments05 Jun 2026

bKash ISP Billing in Bangladesh: Payment Gateway, Webhook, and PayBill Guide 2026

Complete guide to accepting bKash payments for ISP billing in Bangladesh. Covers all three integration modes — Payment Gateway, Webhook IPN, and PayBill — with automatic invoice reconciliation and common pitfalls.

10 min

Guides10 Jun 2026

Best ISP Billing Software in Bangladesh 2026: Complete Comparison

Comparison of ISP billing platforms for Bangladesh operators — evaluated on RADIUS integration, MikroTik support, bKash payments, OLT/GPON management, dealer hierarchies, and BDT pricing.

15 min

MikroTik12 Jun 2026

MikroTik PPPoE Billing Setup: A Complete 2026 Guide

Step-by-step walkthrough to configure PPPoE on RouterOS 7 and connect it to automated billing.

9 min

GPON04 Jun 2026

Detecting Faulty ONUs Before Customers Call

How to monitor optical receive power and alert your NOC before subscribers notice the dropout.

6 min

Payments28 May 2026

Accepting bKash Payments Without the Refund Headache

Production-ready patterns for handling bKash callbacks, idempotency, and reconciliation.

7 min

RADIUS19 May 2026

RADIUS vs Static IP Assignment: What Bangladeshi ISPs Should Pick

We compare both approaches across security, scaling, and customer support effort.

5 min

Capacity10 May 2026

How Much Uplink Do You Actually Need?

A practical formula to size your IIG capacity for the next 12 months.

8 min

Security30 Apr 2026

Hardening RouterOS Admin Access in 10 Minutes

The minimum security checklist every MikroTik admin should run today.

4 min