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Conference forty2::mailbus_400

Title:MAILBUS 400 User Forum
Notice:kits 100-109 - Infocenter //www.digital.com/info/messaging
Moderator:IOSG::MARSHALL
Created:Thu Jun 11 1992
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:3210
Total number of notes:9174

3194.0. "help needed here ..." by MLNORO::MALACRIDA () Fri May 16 1997 10:21

Can someone clarify what's going on here between MTA 400 (version 1.4) 
and the Peer MTA?

I took both a transport trace and a trace of the upper layers (see below): 
as far as I can understand we are claiming that something is missed in the 
received AC-SPDU, but on the other hand the received AB-SPDU seems to i
ndicate that the peer mta was expecting an ARU/ARP-PPDU that we didn't send 
(that probably we never sent do the error detected in the first AC-SPDU 
received).

The manager of the peer mta is telling me that the process managing
the RTS on his machine dies several times a day, but it's not clear
if this is the cause that fires the problem.

Any help appreciated.

Thanks,

giovanni

                                   ----- UPPER LAYER TRACE ------
 
Input trace file name : TELEMAIL_RCV_122700_15063
Output trace file name : /supporto/osaktrace_telemail.err
Trace options selected : Transport SPCI PPCI ACSEPCI Errors
 
 
14:12:27.29 on 15-MAY-1997 : Trace started 
    
    


14:12:27.29 on 15-MAY-1997 : Issued T-DATA request  [complete]
    
   0E 65 01 23 09 06 14 04 33 32 33 32 0B 13 17 11 39 37 30 35 31 35 
   31 34 31 32 34 36 2B 30 32 30 30 0C 04 14 02 30 31 05 09 13 01 00 
   16 01 01 1A 01 00 14 02 02 49 33 02 32 32 C1 2B 31 29 A0 03 80 01 
   00 A1 22 80 01 0A 81 01 03 A2 1A A0 18 A1 80 80 06 58 34 30 30 4D 
   41 A1 80 16 06 58 34 30 30 4D 41 00 00 00 00 
    
    
   AC-SPDU =                                                            0E 65
   {
      Connection Identifier =                                           01 23
      {
         Called SS-user Reference = 14 04 33 32 33 32                   09 06 14
         Common Reference = 17 11 39 37 30 35 31 35 31 34 31 32 3(More) 0B 13 17
         Additional Reference Info = 14 02 30 31                        0C 04 14
      }
      Connect/Accept Item =                                             05 09
      {
         Protocol Options = { }                                         13 01 00
         Version Number = {version-1}                                   16 01 01
         Token Setting Item = {initiator-data, initiator-sync-minor,    1A 01 00
            initiator-sync-major/activity, initiator-release}
      }
      Session User Requirements = {half-duplex, minor-sync,             14 02 02
         activity-management, exceptions}
      Calling Session Selector = "22"                                   33 02 32
      User Data = 31 29 A0 03 80 01 00 A1 22 80 01 0A 81 01 03 A2(More) C1 2B 31
       
      CPA-PPDU SET =                                                    31 29
      {
         [0] IMPLICIT Mode-selector SET =                               A0 03
         {
            [0] IMPLICIT INTEGER = x410-1984-mode                       80 01 00
         }
         [1] IMPLICIT PAccept SET =                                     A1 22
         {
            checkpointsize [0] IMPLICIT INTEGER = 10                    80 01 0A
            windowsize [1] IMPLICIT INTEGER = 3                         81 01 03
            [3] ConnectionData CHOICE =                                 A2 1A
            {
               open [0] ANY =                                           A0 18
               {
                  [1] IMPLICIT SET =                                    A1 80
                  {
                     mTAName [0] IMPLICIT IA5String = "X400MA"          80 06 58
                     password [1] ANY =                                 A1 80
                     {
                        IA5String = "X400MA"                            16 06 58
                     }
                  }
               }
            }
         }
      }
 -- Error: no matching CP-PPDU received for this PPDU
 -- Error: DCS not updated
   }
     
     


14:12:30.86 on 15-MAY-1997 : Received T-DATA indication  [complete]
    
   01 00 2D 05 29 03 02 01 01 
    
    
   GT-SPDU =                                                            01 00
   {
   }
     
     
   AS-SPDU =                                                            2D 05
   {
      Activity Identifier = 02 01 01                                    29 03 02
   }
     
     


14:12:31.92 on 15-MAY-1997 : Received T-EXPEDITED-DATA indication  [complete]
    
   19 0A 11 01 03 C1 05 31 03 80 01 00 
    
    
   AB-SPDU =                                                            19 0A
   {
      Transport Disconnect = {transport-connection-released}            11 01 03
      User Data = 31 03 80 01 00                                        C1 05 31
       
      [UNIVERSAL 49]                                                    31 03
 -- Error: expected ARU/ARP-PPDU
   }
     
     
14:12:31.92 on 15-MAY-1997 : Issued T-DISCONNECT request 
    
    

Trace Analyzer finished.


                            ------ TRANSPORT TRACE --------

-----------+----+-----+<-------------------Transport-Header---------------------->+------------------------------------------------
 Rem Time  |Evnt|Data |                                                           |DATA                                            
hh:mm:ss.ms|    |Size |                                                           |                                                
-----------+----+-----+<--------------------------------------------------------->+------------------------------------------------
13:12:25.78|Rx  |   47|                      Type: CR  Length: 34                 |
                      |  Li: 21, Credit: 08                                       |
                      |  Source Ref: 0000, Destination Ref: 0001, TC_id: 0000     |
                      |  Class 2, Extended                                        |
                      |  Remote NSAP: 5200001200250000                            |
                      | Variable Part:                                            |
                      | C0 01 0A C2 0C 4D 54 41 38 34 2D 58 34 30 30 4D 41 C1 02  |
                      | 04 09 C6 01 01 C7 01 00                                   |
                      |                                                           |
                      |
13:12:25.79|  Tx|   44|                      Type: CC  Length: 31                 |
                      |  Li: 1E, Credit: 0F                                       |
                      |  Source Ref: 0001, Destination Ref: 0224, TC_id: 0224     |
                      |  Class 2, Extended                                        |
                      |  Remote NSAP: 5200001200250000                            |
                      | Variable Part:                                            |
                      | C6 01 01 C0 01 0A C1 02 04 09 C2 0C 4D 54 41 38 34 2D 58  |
                      | 34 30 30 4D 41                                            |
                      |                                                           |
                      |
13:12:26.89|Rx  |  120|                      Type: DT  Length: 107                |0d 61 01 23 0a 06 14 04 33 32 33 32 0b 13 17 11 
                      |  Li: 07, Nr: 00000000, EOT                                |39 37 30 35 31 35 31 34 31 32 34 36 2b 30 32 30 
                      |  Destination Ref: 0224, TC_id: 0001                       |30 0c 04 14 02 30 31 05 09 13 01 00 16 01 01 1a 
                      |  Class: 2, Extended                                       |01 00 14 02 02 49 33 02 32 32 c1 27 31 25 a0 03 
                      |  Remote NSAP: 5200001200250000                            |80 01 00 a1 1e 82 01 00 a3 16 a0 14 a1 12 80 04 
                      |                                                           |53 4e 41 4d a1 0a 16 08 54 45 4c 45 4d 41 49 4c 
                      |84 01 0c 
13:12:27.29|  Tx|  124|                      Type: DT  Length: 111                |0e 65 01 23 09 06 14 04 33 32 33 32 0b 13 17 11 
                      |  Li: 07, Nr: 00000000, EOT                                |39 37 30 35 31 35 31 34 31 32 34 36 2b 30 32 30 
                      |  Destination Ref: 0001, TC_id: 0224                       |30 0c 04 14 02 30 31 05 09 13 01 00 16 01 01 1a 
                      |  Class: 2, Extended                                       |01 00 14 02 02 49 33 02 32 32 c1 2b 31 29 a0 03 
                      |  Remote NSAP: 5200001200250000                            |80 01 00 a1 22 80 01 0a 81 01 03 a2 1a a0 18 a1 
                      |                                                           |80 80 06 58 34 30 30 4d 41 a1 80 16 06 58 34 30 
                      |30 4d 41 00 00 00 00 
13:12:30.85|Rx  |   30|                      Type: DT  Length: 17                 |01 00 2d 05 29 03 02 01 01 
                      |  Li: 07, Nr: 00000001, EOT                                |
                      |  Destination Ref: 0224, TC_id: 0001                       |
                      |  Class: 2, Extended                                       |
                      |  Remote NSAP: 5200001200250000                            |
                      |                                                           |
                      |
13:12:31.92|Rx  |   33|                      Type: ED  Length: 20                 |19 0a 11 01 03 c1 05 31 03 80 01 00 
                      |  Li: 07, Nr: 00000000, EOT                                |
                      |  Destination Ref: 0224, TC_id: 0001                       |
                      |  Class: 2, Extended                                       |
                      |  Remote NSAP: 5200001200250000                            |
                      |                                                           |
                      |
13:12:31.92|  Tx|   21|                      Type: EA  Length: 8                  |
                      |  Li: 07, Yr-Tu-Nr: 00000000                               |
                      |  Destination Ref: 0001, TC_id: 0224                       |
                      |  Class: 2, Extended                                       |
                      |  Remote NSAP: 5200001200250000                            |
                      |                                                           |
                      |
13:12:31.93|  Tx|   20|                      Type: DR  Length: 7                  |
                      |  Li: 06                                                   |
                      |  Source Ref: 0001, Destination Ref: 0224, TC_id: 0224     |
                      |  Class: 2, Extended                                       |
                      |  Remote NSAP: 5200001200250000                            |
                      |  Reason: 80                                               |
                      |  - Normal disconnect initiated by session                 |
                      |                                                           |
                      |
13:12:32.26|Rx  |   19|                      Type: DC  Length: 6                  |
                      |  Li: 05                                                   |
                      |  Source Ref: 0224, Destination Ref: 0001, TC_id: 0001     |
                      |  Class: 2, Extended                                       |
                      |  Remote NSAP: 5200001200250000                            |
                      |                                                           |
                      |
    
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3194.1some other infos ...MLNORO::MALACRIDAFri May 16 1997 18:5116
    Hi it's  me again ...
    
    I've just noted that my MTA have an aaaaaaawful lot of "activity
    entity" related to the peer MTA.
    Now I have an horrible suspect: the peer MTA (by the way it's
    Retix-based and it run on a Stratus with some flavour of Unix SV)
    does not support recovery at RTS level and doesn't answer correctly to
    a recovery attempt from our side.
    Could this analisys be correct? In this case is there any workaround 
    other than manually deleting the activity entity?
    
    Thanks,
    
    giovanni