http://192.168.1.1 (admin / admin). 2) Navigate to Network → WAN → WAN Connection. 3) Note down your PPPoE Username (typically ending in @airtelbroadband.in) and verify the Internet VLAN ID is set to 100. 4) Contact Airtel customer care (call 121 or email [email protected]) to request: "Please enable Bridge Mode on Port 4 of my ONT from the backend NOC." 5) Connect your personal router's WAN port to ONT LAN 4, configure PPPoE with your password, and set WAN VLAN to 100.
Airtel GPON Network Architecture & VLAN Partitioning
Bharti Airtel's Xstream Fiber optical distribution network delivers high-speed internet, fixed-line voice (VoIP), and over-the-top entertainment over GPON technology. In Airtel's central OLT configuration, services are strictly segregated across virtual local area networks:
- Internet VLAN 100: High-speed internet traffic routed via PPPoE authentication.
- Voice VLAN 200 (or VLAN 660): SIP VoIP telephony routed to the physical RJ11 Phone port on the rear of the ONT.
- TR-069 Management VLAN 1000: Remote monitoring and automated firmware provisioning managed by Airtel's network operations center (NOC).
Because Airtel pushed automated TR-069 firmware updates in 2023 that grayed out the Bridge Mode drop-down option in user-level ZTE F670L and Nokia G-140W-F dashboards, attempting to force bridge mode locally without backend NOC profiling often causes the OLT to revert changes upon the next synchronization cycle.
Airtel ONT Hardware & VLAN Configuration Matrix
| Airtel ONT Model | Default IP Address | Internet VLAN | Bridge Port Allocation |
|---|---|---|---|
| ZTE ZXHN F670L (Dual-Band) | 192.168.1.1 |
VLAN 100 | LAN Port 4 (NOC Provisioned) |
| Nokia G-140W-F / G-2425G-A | 192.168.1.1 |
VLAN 100 | LAN Port 4 (Bridge Profile) |
| Huawei HG8145V5 | 192.168.1.1 |
VLAN 100 | LAN Port 1 or LAN 4 |
| Dragon Path Technologies | 192.168.1.1 |
VLAN 100 | LAN Port 2 / LAN 4 |
Step-by-Step Activation Protocol
- Retrieve PPPoE Account Credentials:
- Open your browser and navigate to
http://192.168.1.1. Log in with your admin credentials. - Go to Network → WAN → WAN Connection. Under the Internet profile, find the Username (e.g.,
[email protected]). - If you do not know your PPPoE password, SMS
PASSWORD <Airtel Fixed Line No>to 543210 from your registered Airtel mobile number, or call 121.
- Open your browser and navigate to
- Request Backend Bridge Provisioning:
- Send an email to
[email protected]or raise a service ticket in the Airtel Thanks App. - State clearly: "I require Bridge Mode activated on LAN Port 4 of my ZTE F670L router for enterprise VPN and gaming requirements. Please bind VLAN 100 in bridge mode to Port 4 from the OLT."
- Airtel backend NOC typically completes this configuration within 2 to 6 hours.
- Send an email to
- Configure Your Personal Router:
- Connect an Ethernet cable from Port 4 of the Airtel ZTE ONT to the WAN Port of your personal router (ASUS, TP-Link, Netgear).
- In your personal router, configure WAN connection type as PPPoE. Enter your Airtel broadband username and password.
- If your router requires manual VLAN tagging, enable 802.1Q VLAN and set the Internet VLAN tag to 100. Save and connect. Your personal router will immediately receive a public WAN IP address.
Frequently Asked Questions (FAQ)
Does Airtel Xstream Fiber support static public IP addresses?
Yes. Airtel offers static IPv4 addresses for residential and commercial customers for an additional fee of ₹199 to ₹299 per month, which can be configured directly in your personal router's WAN settings.
Can I completely replace the Airtel ONT with my own optical fiber router?
No. Airtel authenticates GPON optical devices using hardware GPON SN (Serial Number) and OMCI cryptographic profiles registered at the central exchange. The Airtel ONT must remain inline as the physical optical bridge.
Will my Airtel landline phone continue working when bridge mode is active?
Yes. The telephone RJ11 port operates independently on Voice VLAN 200 within the ONT hardware and remains fully functional regardless of whether internet data on Port 4 is bridged.
Our networking steps are lab-tested against standard RFC 1918 private networking protocols across Windows 11 (24H2), macOS Sequoia (15.1), iOS 18, and Android 15. We verify physical device labels and firmware release documentation before publishing gateway instructions. Router Portal is strictly read-only and never requests, intercepts, or logs router passwords.