North American Network Operators Group
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Re: IPv6 routing /48s

  • From: Perry Lorier
  • Date: Tue Nov 18 16:13:28 2008 

Having no route is not a problem, you should get a destination
unreachable directly and all is fine because IPv4 should be used as a
fallback.

The big problem is when you have a route to them, but they don't have a route back. You don't get destination unreachables, but instead get timeouts, and pain, and misery (btdt). :(