EXHIBIT 23.1
                        CONSENT OF DELOITTE & TOUCHE LLP


We consent to the incorporation by reference in this Registration Statement of
3Com Corporation on Form S-8 of our report dated June 26, 2000 (August 11, 2000
as to Note 21) appearing in the Annual Report on Form 10-K of 3Com Corporation
for the year ended June 2, 2000.



/s/ Deloitte & Touche LLP


San Jose, California
August 22, 2000