Exhibit

We hereby consent to the incorporation by reference in the Registration Statements on Form S‑8 (Nos. 333-38025, 333-65051, 333-86649, 333-84720, 333-91464, 333-116467, 333-136425, 333-154715, 333-159877, 333-167197, 333-176211, 333-182931, 333-192089, 333-200032, 333-207866, 333-212242 and 333-218902) of Harmonic Inc. of our report dated March 5, 2018 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10‑K.