EXHIBIT 11.1

                        NEWBRIDGE NETWORKS CORPORATION

                       COMPUTATION OF EARNINGS PER SHARE

             (Accounting principles generally accepted in Canada)
        (Canadian dollars, amounts in thousands except per share data)
                                  (Unaudited)




                                                    Fiscal quarters ended  Three fiscal quarters ended
                                                    ---------------------  ---------------------------
                                                       Jan 30,     Jan 31,       Jan 30,     Jan 31,
                                                        2000        1999          2000        1999
                                                       ------      -------      -------     -------
Basic earnings (loss) per share
                                                                               
 Net earnings  (loss)                                $(274,646)   $120,119      $ 74,349    $208,953
                                                     =========    ========      ========    ========

 Common Shares outstanding
  at the beginning of the period                       181,069     176,877    180,105     175,686

 Weighted average number of Common Shares
   issued during the period                                337         719        784       1,128
                                                     ---------    --------   --------    --------

 Weighted average number of Common Shares
   outstanding during the period                       181,406     177,596    180,889     176,814
                                                       =======     =======    =======     =======

 Basic earnings (loss) per share                     $   (1.51)   $   0.68   $   0.41    $   1.18
                                                     =========    ========   ========    ========

Fully diluted earnings (loss) per share

 Earnings (loss) before imputed earnings             $(274,646)   $120,119   $ 74,349    $208,953

 After tax imputed earnings from the investment
   of funds received through dilution                       --       7,353         --      21,006
                                                     ---------    --------   --------    --------

 Adjusted net earnings (loss)                        $(274,646)   $127,472   $ 74,349    $229,959
                                                     =========    ========   ========    ========

 Weighted average number of Common Shares
   outstanding during the period                       181,406     177,596    180,889     176,814

 Weighted average common share
   equivalents based on conversion of
   outstanding stock options                                --      22,355         --      21,214
                                                     ---------    --------   --------    --------

 Weighted average number of Common
   Shares and equivalents outstanding
   during the period                                   181,406     199,951    180,889     198,028
                                                     =========    ========   ========    ========

 Fully diluted earnings (loss) per share             $   (1.51)   $   0.64   $   0.41    $   1.16
                                                     =========    ========   ========    ========