IPv6 Addressing Help

Jon Lewis jlewis at lewis.org
Fri Aug 14 11:40:34 CDT 2009

On Fri, 14 Aug 2009, David Freedman wrote:

> Will keep it simple, this is what I (and I suspect many others) do
> /128 - Loopback (what else?)
> /126 - Router p2p
> /112 - Router LAN shared segments (p2mp)

Why even go that big on LAN segments?  i.e. If you have a LAN/VLAN where 
you have say 20 devices (routers, switches, etc.) and know you'll never 
have more than say 50-100 devices, why not go as far as using a /120?

  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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