Jamieson, Fausset and Brown on Ephesians 2:17

17. Translate, "He came and announced glad tidings of peace." "He came" of His own free love, and "announced peace" with His own mouth to the apostles (Lu 24:36; Joh 20:19, 21, 26); and by them to others, through His Spirit present in His Church (Joh 14:18). Ac 26:23 is strictly parallel; after His resurrection "He showed light to the people ('them that were nigh') and to the Gentiles ('you that were afar off')," by His Spirit in His ministers (compare 1Pe 3:19).

and to them--The oldest manuscripts insert "peace" again: "And peace to them." The repetition implies the joy with which both alike would dwell again and again upon the welcome word "peace." So Is 57:19.