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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

1970.0. "DECconcentrator900TH and DEFPA-UA" by SUFNWB::HOTLINE () Fri Mar 01 1996 09:49

    Hi,
    
    on customer site there is the following configuration:
    
    DEChub900		V4.1.0
    DECswitch900EF	V1.5.2	bridge_1
    DECswitch900EF	V1.5.2  bridge_2
    DECrepeater900TM
    DECrepeater900TM
    DECrepeater900TM
    DECrepeater900TM
    DECrepeater900TM
    DECconcentrator900TH V3.1.1			slot 1
    
    FDDI:
    bridge_1 "ring in" - backplane FDDI - bridge_2 "ring out"
                                |
                                |
                                |
                     DECconcentrator900TH
                     "Dual ring internal to hub"
                                |
                                | BN25H
                                |
                       DEFPA-UA   V2.46
                      AlphaServer 1000
    
    Problem:
    First the status LED on the Con-Port and on the DEFPA Board is green.
    After a few seconds the Con-Port is yellow, the DEFPA Board is
    blinking green. Again after a few seconds - the same again. On the
    DEFPA I can see the following status:
    green	Link state		On ring running
    		Physical Port state	In use
    		Reject Reason		No reason
    		Ring error reason	Ring init received
    green/yell	Link state              On ring Initializing
    		Physical Port state     Starting
    		Reject Reason           Remote Reject
    		Ring error reason       Ring Init received
    yellow	Link state              Off fault recovery
    		Physical Port state     Starting
    		Reject Reason           Remote Reject
    		Ring error reason       Directed Beacon Received
    
    In "green"-state the DEFPA and (!!!) the Concentrator are seeing 
    bridge_1 as there UNA. After a few seconds you can see a "NoNIF" for
    the DEFPA, and in "yellow"-state the ring map is ok.
    
    Does somebody has any idea to get the DEFPA running?
    
    Regards
    Franz Veith @SUO
    
    
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1970.1NETCAD::STEFANII *CAN* drive 65!Sun Mar 03 1996 20:138
    >>Does somebody has any idea to get the DEFPA running?
    
    It sounds like the DEFPA's running, but something is taking down the
    link.  Have the customer run a check on the Category 5 cable.  Make
    sure it's within spec and that the pinouts are OK.  Barring that, try a
    different port on the concentrator.
    
    /l
1970.2no successSUFNWB::HOTLINEMon Mar 04 1996 15:247
    Hi,
    I've checked the Category 5 cable with different tools - it's o.k.
    I've also tried a different port on the concentrator and another
    concentrator on a different DEChub900.
    But all without any success!
    Regards
    Franz