Downtime should be only 5-10 minutes.
gateway.eecs is used for some outgoing SMTP connections, such as might be configured in Thunderbird or Outlook.
cricket.eecs is used in our network database to display port usage information.
[2015-08-10 16:45:57 | Lars Rohrbach]
The machines are moved as planned, and back online again.
Resolved as of 2015-08-10 16:44:00