[ 01 ]Lifecycle, NID, history
Subscriber & CRM
Application to disconnection. NID verification per BTRC, address history, connection log, plan changes — every event recorded against the subscriber.
[ V1.0 ]/SHIPPING TO BD ISPS · MAY 2026
Built by an ISP / for ISPs that refuse to overpay for hardware BRAS appliances.
Subscribers, billing, AAA, OLT provisioning, IPAM, BTRC logging — the full operator suite. Plus a software-defined BNG that runs on commodity x86 and replaces a $50,000 BRAS chassis. Built in Dhaka by KaritKarma, an active ISP operator.
- REPLACES
- SRZONE PHP
- REPLACES
- HARDWARE BNG
- SHIPS WITH
- BTRC LOGGING
ispchamp · live
tail -f /var/log/ispchamp.log
14:22:08[INFO]kea-dhcp DHCPDISCOVER from 9c:5d:12:88:a3:1f opt82=GPON-OLT-01/0/2/4:2110:3401
14:22:08[AUTH]radius Access-Accept user=12 8932@ispchamp pool=fttx-residential
14:22:08[OK ]vbng session=0xa841f3c2 attached vlan=2110.3401 rate-up=50M rate-dn=200M
14:22:09[INFO]olt-sync MA5800 0/2/4 ONU 92 rx=-21.4dBm tx=2.1dBm distance=1.42km
14:22:09[WARN]olt-sync MA5800 0/3/1 ONU 17 rx=-29.8dBm — degraded, alert raised
14:22:10[INFO]billing invoice 25-04-29881 paid bkash trx=BX9KK21LZ1 amt=1500.00 BDT
14:22:10[OK ]vbng cgnat translation pool=PUB-103.42.x exhausted=0/65535 leases=12184
14:22:11[INFO]frr-bgp neighbor 103.x.x.x state=Established prefixes=842,113
14:22:11[INFO]btrc-log session=0xa841f3c2 nat-out=103.42.71.198:42198 → 8.8.8.8:443 retained
14:22:12[OK ]radius Accounting-Stop session=0xa847aa11 octets-in=84.2GB out=12.1GB
14:22:08[INFO]kea-dhcp DHCPDISCOVER from 9c:5d:12:88:a3:1f opt82=GPON-OLT-01/0/2/4:2110:3401
14:22:08[AUTH]radius Access-Accept user=12 8932@ispchamp pool=fttx-residential
14:22:08[OK ]vbng session=0xa841f3c2 attached vlan=2110.3401 rate-up=50M rate-dn=200M
14:22:09[INFO]olt-sync MA5800 0/2/4 ONU 92 rx=-21.4dBm tx=2.1dBm distance=1.42km
14:22:09[WARN]olt-sync MA5800 0/3/1 ONU 17 rx=-29.8dBm — degraded, alert raised
14:22:10[INFO]billing invoice 25-04-29881 paid bkash trx=BX9KK21LZ1 amt=1500.00 BDT
14:22:10[OK ]vbng cgnat translation pool=PUB-103.42.x exhausted=0/65535 leases=12184
14:22:11[INFO]frr-bgp neighbor 103.x.x.x state=Established prefixes=842,113
14:22:11[INFO]btrc-log session=0xa841f3c2 nat-out=103.42.71.198:42198 → 8.8.8.8:443 retained
14:22:12[OK ]radius Accounting-Stop session=0xa847aa11 octets-in=84.2GB out=12.1GB
uptime
247d 14h
sessions
12,184
throughput
184 Gb/s
live tail · production cluster · DHK-1
2 Tbps
OWN NETWORK
Dhaka, Bangladesh
13
MODULES
Mix and match
6
OLT VENDORS
Auto-provisioning
193
ROUTER ACTIONS
Cisco · Juniper · Huawei · ZTE
[ 01 ]/Core platform
Everything an ISP needs. Nothing it doesn't.
Six modules that ship together as the core. Six more bolt on. The data model is shared — no double-entry, no duct-tape between billing and AAA.
[ 02 ]8 gateways, VAT-ready
Billing & Payments
bKash, Nagad, SSLCommerz, PortPos, Rocket, Upay + Stripe / PayPal. VAT-compliant invoices in Bangla and English. Pre- and post-paid in one billing engine.
[ 03 ]FreeRADIUS · CoA · accounting
AAA & RADIUS
FreeRADIUS 3.2.7 with PostgreSQL backend. Real-time bandwidth control, Change-of-Authorization on running sessions, full accounting tables for forensics.
[ 04 ]SNMP discovery · 6 vendors
OLT & ONU
Huawei MA5800, ZTE C300/C600, BDCOM, C-Data, V-SOL, plus generic SNMP. Auto-discover unauthenticated ONUs, monitor Rx/Tx optics, one-click provision.
[ 05 ]Dual-stack · Kea DHCP
IPAM
IPv4/IPv6 pools, subnets, VRFs, VLANs. ISC Kea 3.0 with RADIUS hooks. Allocations track back to subscriber, port, optical signal, contract.
[ 06 ]Multi-vendor adapters
Network Operations
Cisco IOS-XR, Juniper JunOS, Huawei VRP, ZTE ZXROS, MikroTik RouterOS. 193+ vetted automation actions — config push, backup, diff, rollback.
[ 02 ]/Bolt-on modules
Activate the rest when you need it.
Each bolt-on is a separate paid add-on, billed per-month. Toggle from the admin console — no redeployment, no consultant call.
07
Log Server
BTRC retention, syslog ingest, full-text search, configurable hold per source.
08
MRTG / Traffic
Classic 4-panel graphs, SNMP polling, top talkers, per-subscriber consumption.
09
Hotspot
Captive portal, voucher + OTP auth, zone/plan management, reseller wallets.
10
CRM
Leads pipeline, campaigns, Customer-360, SLA timers on tickets.
11
Accounting
Chart of accounts, double-entry journals, P&L, balance sheet, fiscal year.
12
HR & Payroll
Employees, attendance, leave, payroll, shift / on-call rosters.
13
Inventory
Items, warehouses, serialised stock, fixed-asset depreciation.
[ 03 ]/ISPChamp vBNG
A BRAS that boots from apt install, not a 6-week hardware order.
IPoE + PPPoE dual-mode on commodity x86. VPP / DPDK for wire-speed forwarding. CGNAT with deterministic mapping and BTRC-compliant session retention. FRRouting for BGP and OSPF peering — same toolchain you already trust on Linux routers.
Data plane
VPP / DPDK
Hardware
Commodity x86
Subscribers
DHCPv4/v6 + PD
Routing
BGP + OSPF
cost-diff.shPER 100 GBPS
[ HARDWARE BRAS ]
Hardware BNG baseline
$80,000
capex per chassis
- 40 Gbps line cards
- vendor lock + 6w lead
- license per CGNAT
- external syslog box
THE DIFF
[ ISPCHAMP vBNG ]
Dell R650 + Mellanox CX-6
$5,800
capex per server
- 100 Gbps via VPP / DPDK
- no vendor lock-in
- CGNAT + BTRC included
- scale = add a server
delta-92.75% capex · +150% throughput per chassis
[ 04 ]/Inventory of integrations
Everything you already run. Spoken natively.
Built against equipment that's actually in BD ISP racks today, not whatever Stripe sells. Driver list, version-pinned and tested.
[ OLT_VENDORS ] · 6 SNMP DRIVERS
auto-discover · provision · Rx/Tx telemetry
Huawei
MA5800 / 5608T
ZTE
C300 / C600
BDCOM
GP3600
C-Data
GPON / EPON
V-SOL
GPON / EPON
Generic
Any SNMP OLT
[ BNG_/_ROUTERS ] · 193 ACTIONS
config push · backup · diff · rollback
Cisco
IOS-XR
Juniper
JunOS
Huawei
VRP
ZTE
ZXROS
MikroTik
RouterOS
[ STACK ] · BUILT WITH
all open-source · no proprietary lock-in
Go
Backend
PostgreSQL
Database
FreeRADIUS
AAA
VPP / DPDK
Data plane
ISC Kea
DHCP
FRRouting
BGP / OSPF
Next.js
Frontend
React
UI
[ PAYMENTS ] · 8 GATEWAYS
local first · BD priority
bKash
Nagad
SSLCommerz
PortPos
Rocket
Upay
Stripe
PayPal
[ 05 ] / Talk to us
Stop paying for SRZONE. Stop quoting hardware vendors.
Operator-to-operator demo. We'll show you a live tenant on our own network and walk through your specific OLT mix, billing model, and BTRC reporting requirements.