Exhibit 11
                                                                      ----------
                                                                                

                   COMPUTER NETWORK TECHNOLOGY CORPORATION

              Statement Re:  Computation of Net Income (Loss) 
                   Per Common and Common Equivalent Share

                                 (Unaudited)
                    (In thousands, except per share data)



                                                 Three Months Ended                   Nine Months Ended
                                                    September 30,                       September 30,
 
                                               1997              1996              1997               1996
                                          -------------    --------------    -------------     ----------------
                                                                                     
 
Net Income (Loss)                               $   373           $ 1,077          $  (108)             $ 2,276
                                          =============    ==============    =============     ================
 
Primary Earnings (Loss) Per Share
- ------------------------------------------       22,674            23,352           22,920               23,196
Weighted average number of common shares
 outstanding
 
Dilutive effect of outstanding common
 equivalent shares                                  138               339             -                     422
                                          -------------    --------------    -------------     ---------------- 
Weighted average number of common and
 common equivalent shares outstanding            22,812            23,691           22,920               23,618
                                          =============    ==============    =============     ================
Net income (Loss) per common and common
 equivalent share                               $   .02           $   .05          $  (.00)             $   .10
 
                                          =============    ==============    =============     ================
 
Fully Diluted Earnings (Loss) Per Share:
- ------------------------------------------
Weighted average number of common shares         22,674            23,352           22,920               22,196
 outstanding
 
Dilutive effect of outstanding common
 equivalent shares                                  186               339             -                     423
                                          -------------    --------------    -------------     ---------------- 
Weighted average number of common and
 common equivalent shares outstanding            22,860            23,691           22,920               23,619
                                          =============    ==============    =============     ================
Net income (Loss) per common and common
 equivalent share                               $   .02           $   .05          $ ( .00)             $   .10
                                          =============    ==============    =============     ================