EXHIBIT 23.1 Independent Auditors' Consent Board of Directors DATA RACE, Inc.: We consent to the use of our report incorporated herein by reference and to the reference to our firm under the heading "Experts" in the prospectus. Our report refers to a change in the method of accounting for income taxes in the year ended June 30, 1994. /s/ KPMG Peat Marwick LLP San Antonio, Texas February 26, 1997