How do I retrieve the public IP from a speedtouch 500 series dsl modem with a linksys router

I have a Digital Video Recorder that monitors Survielance cameras. It has the ability to stream over the internet.

I also have a Speedtouch 553 ADSL MOdem and a Linksys BEFSR41 Router.

The reason I chose the router is that it has dydns built in to resolve the external ip adress which is dynamic without the need for a computer.

My problem is that the linksys resolves the IP as and as a result the built in dyndns resolves the ip to be

I would connect the linksys directly but the primitive ADSL technology here only allows for PPOA and no PPOE.

Is there any way to tell the speedtouch modem to pass the public internet ip address to the linksys? or any way to let the linksys router's dyndns see the public ip address?

Thank you very much in advance for your help.
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Not that I know of on both questions.  Sorry.

Rob WilliamsCommented:
The only option I am aware of is to put the Speedtouch in "Bridged Ethernet" mode (the on-line manual says it supports this) and then purchase a router that supports PPPoA connections such as the Linksys AG241, they have a couple of models.
This basically allows the Speedtouch to pass-through all traffic to the Linksys, and the WAN connection of the AG241 is configured with your PPPoA WAN/Public IP.

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This is why I did not see any way possible with OsirisJa's current equipment.  Only way to get around this is to purchase additional equipment but was not sure you were willingly to spend more money on this.

OsirisJaAuthor Commented:
Thank you very much
Rob WilliamsCommented:
Thanks OsirisJa ,
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