Juniper Networks Inc is reviewing its enterprise-focused networking business after talks fell through late last year to sell assets, including security unit NetScreen Technologies, several sources close to the matter told Reuters.

Asked at Mobile World Congress if he has plans to sell parts of the enterprise business Chief Executive Kevin Johnson said: "No, if you look at the acquisitions we have done, we're a buyer not a seller."

(Reporting By Nadia Damouni and Nicola Leske; Additional reporting Paul Sandle; Editing by David Gregorio)