What are IPv6 Unique Local Addresses (ULA)? Why would you ever want to use NAT with IPv6? These two questions are directly related. If you were running services with ULAs, you would want to translate those addresses into public addresses. This is where NAT66 comes in.
I recently started maintaining this graph which shows the total number of AS Numbers in Manitoba. You will notice the dramatic increase in 2013 and 2014.
This is a write up of an issue which I experienced on one of my networks. It is in response to When Good NICs Do Bad Things: A Blast of IPv6 Multicast Listener Discovery Queries posted on packetpushers.net.