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#62439 by Lapwolf
Tue Aug 17, 2010 4:57 pm
My HW setup is DSL modem->Ooma Hub->Router.

I installed a new router (running Tomato) and noticed something very strange. While the Ooma hub was set with a Home IP Port of and a DHCP range of, My router shows a WAN IP of and a WAN Gateway of

This makes it very difficult to range DHCP down to a single IP and put that IP in the DMZ to attempt making Dynamic DNS work. Am I missing something? Has anyone else noticed this anomaly?

#63076 by Lapwolf
Wed Aug 25, 2010 7:48 am
I'm the only person experiencing this? Really?

Has anyone actually had any success with DDNS without putting the hub behind the router?
#63079 by murphy
Wed Aug 25, 2010 7:57 am
If you are using DynDNS, run their free client software on a computer. It is the only client that I have seen that works properly. Every router that I have seen that has a built-in DDNS client has it implemented incorrectly. They all report the IP address the router got for it's WAN port instead of asking the DynDNS server what the external IP address is.
#63140 by erics
Wed Aug 25, 2010 6:34 pm
I've experienced this exact same behavior; see this post for details viewtopic.php?f=9&t=8690&p=60766#p60766 .

In my case, the router (Airport Extreme) is setup for PPPoE authentication, and the ooma Telo is in automatic mode. I will soon place the ooma in PPPoE mode, and change the settings accordingly on my router.

Is your setup similar in this regard?
#63241 by Lapwolf
Thu Aug 26, 2010 3:22 pm
My router is an Asus RT-N16 running tomato. My router IS setup for PPPoE and I did nothing for the setup of the hub in this regard. As such, it's not clear to me how authentication is handled with my ISP for DSL.

I will most likely move the hub behind the router as tomato has great QOS facilities and I would rather run my home network this way if phone quality is good.

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