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Conference netcad::hub_mgnt

Title:DEChub/HUBwatch/PROBEwatch CONFERENCE
Notice:Firmware -2, Doc -3, Power -4, HW kits -5, firm load -6&7
Moderator:NETCAD::COLELLADT
Created:Wed Nov 13 1991
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:4455
Total number of notes:16761

2681.0. "Errors on a DEChub90" by DLO09::WATKINS (Fly like an Eagle) Fri Aug 25 1995 13:16

    This is probabery not the correct notes conference but it is the only
    one I can find on the DEChub so here goes.
    
    I have a HUB90 that keeps knocking people off of the workside.  After
    watching it for days I can see three symptoms and have no idea what
    they point to.
    
    By doing display while on the bridge I see the following erors on the
    workgroup side.
    
    	 Unsent, excessive collisions: 2,841
    	 Unsent, lifetime exceeded: 384
    
    Then without any reason I will get the following on the console.  I get
    somewhere between 50 and 200 of these in a burst.
    
    DECbridge> 
    180201   <- I know that is a passed loopback diag on Workgroup side
    DECbridge 90 V1.14  08-00-2B-35-A0-89 � 1991 Digital Equipment Corp
    DECbridge> 
    180201
    DECbridge 90 V1.14  08-00-2B-35-A0-89 � 1991 Digital Equipment Corp
    DECbridge> 
    180201
     
    I swapped out the bridge and it did not change the symptons at all.
    What cause excessive collisions and lifetime exceeded on the workgroup
    side?  And what causes the bridge to go into a loopback diagnostic over
    and over again?  There are only 21 known address on the bridge.
    
    Thanks for any help,
    
    Dave
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