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Conference 7.286::fddi

Title:FDDI - The Next Generation
Moderator:NETCAD::STEFANI
Created:Thu Apr 27 1989
Last Modified:Thu Jun 05 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2259
Total number of notes:8590

162.0. "DECelms - Monitor error - can anyone help?" by HGOVC::LILLIANTANG () Wed Oct 24 1990 23:44

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Note 371.0      DECelms v1.01 - MONITOR error - "protocol in use"     No replies
HGOVC::LILLIANTANG                                    9 lines  24-OCT-1990 05:25
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When using the "Monitor .. line 2" command on a DECbridge 500,
frequently error "protocol in use" is encountered.  No TSM, Ethernim, or
NCP is running at the time.  Listener and Poller, however, are started.
Does the Monitor command uses the MOP protocol as well, and thus in 
conflict with the latter two processes or there are other reasons
for such error?  A customer wants to use both the Poller and Monitor 
commands simultaneously.

regards, Lillian
T.RTitleUserPersonal
Name
DateLines
162.1BAGELS::WILLIAMSBryan WilliamsMon Oct 29 1990 12:373
    Have you tried escalating the problem?
    
    Bryan
162.2Known LimitationLEVERS::COLELLAThu Nov 01 1990 12:3128
    
    
    In the future, please indicate cross-posted notes. -Thanks.
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Note 371.1      DECelms v1.01 - MONITOR error - "protocol in use"         1 of 1
LEVERS::COLELLA                                      17 lines   1-NOV-1990 11:10
                             -< Known Limitation >-
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    The key is that Polling and Monitoring use the same protocol, 
    (the RBMS protocol 80-38, in shared-with-destination mode)
    so the two processes do in fact conflict when sending/receiving with 
    the same device at the same time.  This usually isn't a problem with 
    a large database, since that reduces the chance of collisions with 
    the same device.  However, with a smaller DB, the same couple of  
    devices are continually polled/monitor, and eventaully you will see 
    a collision.
    
    One thing that might help is to cut down the frequency of monitoring
    with the EVERY feature.  (ex. MON LINE 2 EVERY 30 MIN)
    Or, you could write a command file to turn the poll/mon on and off 
    at certain times of the day.
    
    Hope that helps.
    
    Barry