"We believe the Department of Justice’s analysis of this acquisition is fundamentally flawed and we are disappointed in its decision to file a suit attempting to prohibit the closing of the transaction. We will vigorously defend against the Department of Justice’s overreaching interpretation of antitrust laws and will demonstrate how this transaction will provide customers with greater innovation and choice, positively change the dynamics in the networking market by enhancing competition, and strengthen the backbone of U.S. networking infrastructure."
https://finance.yahoo.com/news/hewlett-packard-enterprise-juniper-networks-180300416.html
looks like they plan to defend