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  9. From: "Art L." <art1958@yahoo.com>
  10. Newsgroups: comp.protocols.kermit.misc
  11. Subject: C-Kermit to MVS upload problems after upgrade to version 6
  12. Date: Thu, 10 Sep 1998 12:54:14 -0400
  13. Organization: The Internet Access Company, Inc.
  14. Lines: 109
  15. Message-ID: <35F80436.669@yahoo.com>
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  21. Xref: news.columbia.edu comp.protocols.kermit.misc:9188
  22.  
  23. We have been having problems transfering files between C-Kermit on SCO
  24. UNIX and Kermit on a IBM 390 mainframe running MVS.  We had no problems
  25. until we upgraded our C-Kermit version from 5.190 to 6.192.  The problem
  26. is that there several retry errors during the transmission.  I don't
  27. have much information on the mainframe version other than it is old.  We
  28. are connected thru a dialup connection via a local GTE Data Services
  29. phone number.  The only kermit settings I was told to use are:
  30.     control quote=35
  31.     max pack 1024
  32.     no pad characters
  33.     eol=13
  34.     CRC=1 byte checksum
  35.     Block start =1
  36.  
  37. The files I am transferring are text only.  My show proto command shows
  38. the following:
  39.  
  40. Protocol:
  41. Kermit                                                               
  42.                                                                                
  43. Protocol Parameters:   Send   
  44. Receive                                         
  45.  Timeout (used= 5):      5*      15        Server Timeout:  
  46. 0                 
  47.  Padding:                0        0        Block Check:     
  48. 1                 
  49.  Pad Character:          0        0        Delay:           
  50. 1                 
  51.  Packet Start:           1        1        Max Retries:    
  52. 10                 
  53.  Packet End:            13      
  54. 13                                            
  55.  Packet Length:       1024    
  56. 1024                                            
  57.  Maximum Length:      9024     9024        Window Size:      3 set, 0
  58. used     
  59.  Buffer Size:         9065     9065        Locking-Shift:    enabled,
  60. not used 
  61.                                                                                
  62.  Packet timeouts: dynamic
  63. 1:0                                                  
  64.  Auto-upload command (binary):  kermit
  65. -ir                                     
  66.  Auto-upload command (text):    kermit
  67. -r                                      
  68.  Transfer character-set:
  69. transparent                                           
  70.  Transfer mode:
  71. automatic                                                      
  72.  Transfer slow-start:
  73. on                                                       
  74.  Attributes:
  75. on                                                                
  76.                                                                                
  77.  Cancellation: on 3
  78. 3                                                          
  79.  Send / Receive Pause:   0
  80. (msec)                                              
  81.  
  82. I have experimented with set prefixing all/cautious/minimal/none which
  83. only creates more retries per packet.  The best I have seen is approx 1
  84. retry for every packet sent.
  85.  
  86. The following is an example of my display after a file upload (I am
  87. connecting at 14.4K):
  88.  
  89.    Current Directory:
  90. /usr2/clients/cc                                        
  91. Communication Device:
  92. /dev/tty2A                                              
  93.  Communication Speed:
  94. 38400                                                   
  95.               Parity:
  96. even                                                    
  97.          RTT/Timeout: 01 /
  98. 04                                                 
  99.              SENDING: /tmp/neicbatch.dat => NEICBATCH.DAT =>
  100. CLAIMS.DATA      
  101.            File Type: TEXT (no
  102. translation)                                   
  103.            File Size:
  104. 34820                                                   
  105.         Percent Done: 100
  106. //////////////////////////////////////////////////  
  107.                          
  108. ...10...20...30...40...50...60...70...80...90..100  
  109.         Elapsed Time:
  110. 00:00:25                                                
  111.   Transfer Rate, CPS:
  112. 1392                                                    
  113.         Window Slots: 1 of
  114. 1                                                  
  115.          Packet Type:
  116. %                                                       
  117.         Packet Count:
  118. 20                                                      
  119.        Packet Length:
  120. 8                                                       
  121.          Error Count:
  122. 22                                                      
  123.           Last Error:
  124. (resend)                                                
  125.         Last Message: Files: 1, Bytes: 34820, 1392
  126. CPS                        
  127.  
  128. Any help would be greatly appreciated.
  129.  
  130. Art Lucey
  131. Compu-Craft