Lots of problems at iEN and DoA. Discoed several times myself when it happened most everyone on got booted, too. Thought it was localized to iEN, but when I checked the route, once I saw that the packets were getting routed in a loop. Indicated to me that a router was probably down, and the other routers trying to converge the network to a new route. But, I gave up and went to bed after the third disco ...