Obi compatible with BT Home Hub?
Midshires:
It appears that devices such as the Obi100 and 110 will not work when connected to the BT Home Hub 4 or 5, at least not with the out-of-the-box settings.
So I'd like to ask, has anyone got this combination working and what did you have to achieve this?
I see a reviewer on Amazon UK says "I am so pleased [with the Obi110] I have just bought another for a friend of mine which I had running in less than two hours despite having to negotiate her BT HomeHub 3 which are notoriously cantankerous when you are trying to get through the firewall."
Amazon doesn't allow you to contact reviewers, so I cannot get in touch with him to find out how.
Hoping someone can help. Thanks, Andy E.
ianobi:
Hi Andy,
The good news is that any OBi can work with BT Home Hub. I had two OBi110s working behind a BT Home Hub 4 for several months with no problems. The bad news is that I got so annoyed with the Home Hub not allowing me to do certain things, that it's now back in its box and I'm back to an old Draytek router. This means I cannot quote you exact settings, but the problem to overcome relates to "Port Forwarding". Here's a rough guide:
http://bt.custhelp.com/app/answers/detail/a_id/43715/~/how-to-set-up-game-and-application-sharing%2Fport-forwarding-facilities-on-the-bt
British Telecom make things way over complicated making you invent the OBi as a new user application before you can set up the correct ports to forward. As a test to make sure that port forwarding is the problem, put your OBi into the Home Hub's "DMZ" (via "advanced settings"). This effectively opens all ports from the internet into your OBi. If that works then take it out of DMZ and port forward as required.
For one standard OBi100/110 Obihai recommend these ports be forwarded:
TCP Ports: 6800, 5222, 5223
UDP Ports: 5060 to 5061, 10000 to 11000, 16600 to 16998, 19305
There's a lot more to be said about ports, but that can wait until you get one OBi working satisfactorily.
ianobi:
An OBi setting worth changing is:
Change the Ethernet port on the OBi from 10 mb/s half-duplex to 100 mb/s full duplex:
1. Dial *** 0
2. Enter option 27 and press #
3. Press 1 to set a new value
4. Enter a value of 1 and press #
5. Press 1 to confirm/save
6. Hang up
7. Wait for the OBi to reboot
Midshires:
Ianobi, not without reason are you classed a Hero Member!
Thanks very much for these suggestions. I shall carry them out now...
Andy.
Midshires:
Ianobi,
I have followed your instructions --- and yes, I now have two OBi100 boxes working properly, first in the DMZ and now outside the DMZ, having set up port forwarding as you directed.
Phew! It's a good feeling to be operational again. Thank you very much indeed. Really.
You said "There's a lot more to be said about ports, but that can wait until you get one OBi working satisfactorily." Well, I'm all ears!
One more question please. As you know, the BT Home Hub has just four device outlets for plugging in devices. I have an Internet radio plugged into the third port and a Vonage terminal adapter in the fourth. So they are all in use now. But if I wished to add another OBi100 or two, can I plug a 5-Port Fast Ethernet Switch into one of the four device outlets and get the extra capacity?
Thanks for your generosity and patience dealing with my questions.
Andy.
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