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The CPE is dual-stack, and will have both IPv4 and IPv6 nodes on its LAN interfaces. But the traffic has to be passed on natively on WAN dialer interface, and hence I feel it need to have both v4 and v6 address. Otherwise, I will be forced to use some tunneling approach over WAN which I don't...

Hi Burt, As mentioned before, I would have both IPv4-only and IPv6-only devices connected behind CPE which need to communicate natively with outside network. I think for this, CPE has to be dual-stack and the dialer interface need to have both IPv4 & IPv6 address. Regards Satheesh

Hi Burt, I think I have to clarify my question again Can the dialer WAN interface (in CPE) negotiate and obtain both IPv6 address and IPv4 address at the same instance in a PPPoA session? This is required as I would have both IPv4-only and IPv6-only devices connected behind CPE. I don't have...

Thanks Burt for immediate response. I am planning to use a Cisco 877 as CPE, and since this is going to be a trial I can try any image for this model as suggested. Regards Satheesh K

I am trying to find out if it is possible for a single dialer interface to negotiate and obtain both IPv4 and IPv6 address on a PPPoA session. I am working on a dual-stack ADSL solution, and hence it would be helpful if someone can share their knowledge on this. Thanks & Regards, Satheesh