v6 deagg

Owen DeLong owen at delong.com
Tue Feb 24 17:27:59 UTC 2015


> On Feb 19, 2015, at 21:25 , Christopher Morrow <morrowc.lists at gmail.com> wrote:
> 
> On Thu, Feb 19, 2015 at 10:16 PM, manning bill <bmanning at isi.edu> wrote:
>> and then there are the loons who will locally push /64 or longer, some of which may leak.
>> 
> 
> 2001:2b8:46:bbbb::/64
> ... a fairly extensive list actually....
> 
>> show route table inet6.0 | grep ^2 | except /4[876543210] | except /3 | except /2 | count
> Count: 297 lines
> 
> Some are likely my local network's interfaces (so skip ~50 or so? to
> be generous) and some might be my provider's customers? (but they
> shouldn't send me shorter than a /48, right?)
> 
> -chris
> (note on another observation point I don't see this sort of thing so
> perhaps it's just one upstream in a collection... I'll ask them
> seperately)

Your regular expression will not only count /49 and longer, it will also count /19 and shorter.

In my routing table, there are at least some examples of such routes.

Owen




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