1 EXHIBIT 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS To the Board of Directors FastComm Communications Corporation We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement of our report (which contains an explanatory paragraph regarding the Company's ability to continue as a going concern) dated July 14, 2000, relating to the financial statements of FastComm Communications Corporation appearing in the Company's Annual Report on Form 10-K for the year ended April 30, 2000, and our report (which contains an explanatory paragraph regarding the Company's ability to continue as a going concern) dated May 22, 2000, relating to the financial statements of Cronus Communications, Inc. appearing in the Company's Form 8-K, as amended, filed on June 14, 2000. We also consent to the reference to our firm under the caption "Experts" in the Prospectus. /s/ BDO Seidman, LLP Washington, D.C. October 27, 2000