RADIUS/IPv6CP bits and pieces for IPv6 subscriber access

Jens Rosenboom jens.rosenboom at freenet.ag
Fri Oct 24 11:22:07 CEST 2008

On Thu, Oct 23, 2008 at 09:12:51AM -0400, Joe Abley wrote:
> Hey,
> Does anybody have any examples of how they are handing out v6  
> addresses to customers using PPPoE?
> I'm working on some config, but I'm not sure of the appropriate  
> conventions. For example, should I be handing out a host address for  
> the customer router as a /128, along with a customer-side /48 (or /64  
> or whatever; I figured we'd just give everybody static /48s for now)  
> which should be routed towards the /128, or something different?
> In case it helps to know, this is using JUNOSe 8.2 on ERX310s for LNS,  
> subscribers see PPPoE, we see L2TP on the LNS, the mysterious cloud in  
> the middle is run by Bell Canada (who use ERXes to switch the  
> tunnels). The subscriber equipment I'm playing with right now is a  
> cisco 2600 with DSL WICs running 12.3(23).

Our current lab setup uses a Cisco 876 running 12.4(6)T10, we do
dhcpv6 local server on the ERX getting the prefix to be assigned
via Radius. The CPE fetches this prefix and announces it on the
local client LAN, seems to work pretty well except that 
autoconfig of the outside CPE address is broken.
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