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   Hello Victor,   
      
   On Saturday October 16 2021 18:06, you wrote to me:   
      
    MV>> I think #3 comes closest.   
      
    VS> Thanks for replying.   
      
   You'r welcome.   
      
    MV>> I am not sure about the /64 for the link. The only visible part   
    MV>> of the link is the IPv6 WAN address of the router. It is outside   
    MV>> the /56 assigned to the user, the link may just use a /128.   
      
    VS> Do you see the WAN address of the router in the `traceroute -6`   
    VS> output?   
      
   No.   
      
    MV>> The modem/router supplied by the ISP assigns one /64 for the LAN   
    MV>> and another /64 for the guest network. More /64 out  of the /56   
    MV>> can be obtained by connecting extra routers.   
      
    VS> Very little flexibility IMHO. Can you at least assign a static IPv6   
    VS> address within the LAN /64?   
      
   Sure. How do you think I got my f1do address?   
      
    MV>> For IPv6 one must use the modem/router from the provider. When   
    MV>> the modem/router from the provider is set in bridge mode, the   
    MV>> connection becomes IPv4 only.   
      
    VS> This looks very similar to what I've heard from a Rostelecom   
    VS> representative. This probably means that the IPv6 is not really   
    VS> "native" and there is some kind of tunnel terminated at the   
    VS> provider-owned CPE.   
      
   The odd thing is that on a premium bussines account there is no such   
   restriction. With such an account one has dual stack with the modem in bridge.   
   So I don't think your theory is correct.   
      
      
   Cheers, Michiel   
      
   --- GoldED+/W32-MSVC 1.1.5-b20170303   
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