I was able to get this working by using an extended acl for NAT. First it denys udp traffic for destination port 67 (If it is dest. port 67 the address will not be translated), this allows the device to get an IP. At the end of the acl I permit all o...
In AS 200 you need to add a default route to AS 100, and then redistribute that route in ospf (default-information originate). However, this does not fully solve the issue, as no router in AS 100 (besides NY.R1) has a route to the networks AS 200. So...