Re: v6 subnet size for DSL & leased line customers

From: Iljitsch van Beijnum (no email)
Date: Tue Jan 01 2008 - 06:57:17 EST

  • Next message: Mark Smith: "Re: v6 subnet size for DSL & leased line customers"

    On 31 dec 2007, at 1:24, Mark Smith wrote:

    > Another idea would be to give each non-/48 customer the
    > first /56 out of each /48.

    Right, so you combine the downsides of both approaches.

    It doesn't work when ARIN does it:

    * 24.122.32.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.48.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.64.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.80.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.96.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.112.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.128.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.144.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.160.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.176.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.192.0/19 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.224.0/20 4.68.1.166 0 0 3356 6453
    11290 i
    * 24.122.240.0/20 4.68.1.166 0 0 3356 6453
    11290 i

    And it's unlikely to work here: for those standard size blocks, you
    really don't want any per-user config: you want those to be assigned
    automatically. But for the /48s you do need per-user config, if only
    that this user gets a /48. So these two block sizes can't
    realistically come from the same (sub-) range.


  • Next message: Mark Smith: "Re: v6 subnet size for DSL & leased line customers"





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