On Thu, 11 Sep 2008, Paul Stewart wrote:
In a SP environment, what's common practice so far with subnetting?
Typically, in IPv4 today we use a /30 or /29 for point to point and each
device has a /32 loopback...
I've been reading a lot of different opinions and everyone seems to
recommend a /64 for each link (router) or a server - why so large? I'd love
to see a layout of a few routers in a SP core network and how they've
subnetted them....;)
This debate rolled on NANOG a few weeks ago. People generally broke into
two camps - one advocated using /64s on point-to-point links, and the other
advocated smaller subnets such as /126 for point-to-points and /128s for
loopbacks. So, I guess the consensus is that there isn't one :)
jms
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