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   IPV6      The convoluted hot-mess that is IPV6      4,612 messages   

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   Message 2,861 of 4,612   
   Victor Sudakov to Bj”rn Felten   
   An IP4 question, if that's OK?   
   04 May 19 11:25:26   
   
   REPLY: 2:203/2 5ccc9a96   
   MSGID: 2:5005/49 5ccd1513   
   CHRS: CP866 2   
   TZUTC: 0700   
   TID: hpt/fbsd 1.9.0-cur 08-05-14   
   Dear Bj”rn,   
      
   03 May 19 21:46, you wrote to All:   
      
    BF>    I've been given an IP4 number from my provider in the third of four   
    BF> /26 subnets. I.e. I have x.x.x.157 with a subnet mask of   
    BF> 255.255.255.192 and, of course, default gateway x.x.x.129   
      
    BF>    I suppose the other 61 IP numbers in my subnet have been reserved   
    BF> mainly to my neighbours. Maybe not necessarily, but probably, no?   
      
    BF>    If so, if I find out that one of the other 61 IP numbers was given   
    BF> to my neighbour friend, wouldn't it be possible to connect directly to   
    BF> his computer without having to go via the default gateway?   
      
    BF>    Wouldn't that mean that we then can have direct fiber connection   
    BF> without the artificial speed restrictions that our respective   
    BF> subscription results in?   
      
   Many ISPs prevent direct (that is Layer 2) communication between residential   
   customers, for various reasons. I would not be surprised if you and each of   
   your neighbors are placed in personal VLANs or something like that.   
      
   Victor Sudakov, VAS4-RIPE, VAS47-RIPN   
   --- GoldED+/BSD 1.1.5-b20160322-b20160322   
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