Saturday, September 08, 2007

BSNL Dataone broadband and UT300R2U ADSL router

Took more than an hour to configure the UT300R2U ADSL router to do PPPoE dialout for BSNL Dataone - even my previous experience was not enough to clear all the hurdles. This particular model number has been used for a large number of different routers, or at least very different firmware. And adding to the confusion was the different instructions for bridge mode (which is not what we want) which were the google matches. Anyway: First mistake was to keep the existing "WAN interfaces" enabled: they have to be disabled, or more easily, just deleted. Then, some of the settings in the wizard needed to be changed from the default for the connection to work. Here's the step-by-step procedure.

0. Reset the router to factory settings in case it's been altered significantly.

1. Set up your ethernet interface to have a static ip of Make the default gateway as well as DNS server. Connect ethernet cable to router.

2. Go to the router's config interface at - by default
username = admin
password = admin.

3. Go to Advanced Setup -> WAN on the left side menu and delete all other interfaces except the one with PPPoE (or delete all and start from scratch)

4. Using Edit if you're not making a new interface with Add, you get the next screen, where you make sure the VPI/VCI are 0 and 35.

5. In the next screen, make sure PPPoE is chosen as connection type, and encapsulation mode is LLC.

6. In the next screen, give your username and password, call the service name dataone, and most importantly, uncheck all the checkboxes, especially the one saying "Bridge PPoE Frames".

7. In the next screen, make sure "Enable WAN service" is checked. Multicast is optional.

8. In the next screen click "Save"

9. Finally click "Save/Reboot"

After the Router power cycles and the DSL light comes back on, you should find PPPoE UP in the WAN Status.

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