On 2010-10-15 21:26, Zaid Ali wrote: > SO I have been turning up v6 with multiple providers now and notice that > some choose /64 for numbering interfaces but one I came across use a /126. A > /126 is awfully large (for interface numbering) and I am curious if there is > some rationale behind using a /126 instead of a /64.
You mean to say that a /126 is 'small' actually as it is only 2^(128-126) = 2^2 = 4 IP addresses while a /64 is...... For this discussion, please go through the archives. In short: Personal preference of operators involved. Greets, Jeroen