Hello Tommi,   
      
   On Thursday February 01 2018 14:41, you wrote to me:   
      
    MV>> Tell us more...   
      
    TK> I have the sim card installed in a mobile router (Huawei E5577s). It   
    TK> works as any router, it gets public ipv4 address from isp as well as   
    TK> the /64 ipv6 prefix which will be delegated to lan clients.   
      
   Cewl... ;-)   
      
    TK> The public ipv4 address may change few times a day of it may stay   
    TK> unchanged for a week. Also the /64 prefix changes when ipv4 address   
    TK> changes.   
      
   Dynamic IPs. I could live with that for a mobile device.   
      
   Does it have port forwarding/configurable firewall for IPv6?   
      
    TK> The only traffic limitation by isp is that all ports <1024 are blocked   
    TK> in.   
      
   Hmmm.... :(   
      
      
      
   Cheers, Michiel   
      
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