Mark Smith wrote: > > Another idea would be to give each non-/48 customer the > first /56 out of each /48. If you started out with a /30 or /31 RIR block , by > the time you run out of /48s, you can either start using up the > subsequent /56s out of the first /48, as it's likely that the first /56 > customer out of the /48 would have needed the /48 by that time.
As stated, that approach has really negative implications for the number of routes you carry in your IGP. > Alternatively you might have become more comfortable with giving each > customer a /48, and wouldn't require any of them to renumber - they'd > just have to shorten their prefix length. > > Regards, > Mark. >