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Conference npss::gigaswitch

Title:GIGAswitch
Notice:GIGAswitch/FDDI Jan 97 BL3.1 914.0 documentation 412.1ion 412.1
Moderator:NPSS::MDLYONS
Created:Wed Jul 29 1992
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:995
Total number of notes:4519

971.0. "Mac summary question" by SALEM::ELWARNER () Thu Apr 17 1997 12:30

    I have a system connected to a 2 port controller in my switch.
    I have it connected correctly with a from system going to b of switch 
    and b of systems going to a of switch. I am looking in the fddi mac
    summary window and I aam a little confussed. I am not getting any
    network utilization. I also noticed that the current path is secondary.
    Why wouldn't it be primary?
    
    
    Thanks
    Chuck
T.RTitleUserPersonal
Name		DateLines
971.1NPSS::MDLYONSMichael D. Lyons DTN 226-6943Thu Apr 17 1997 20:3920
        I think it's a bug in the FGL implementation of CNS (the common
    node software which implements FDDI).  The CNS on the current FGL is
    really RFC 1512 (the newer version of the FDDI MIB), however since the
    GIGAswitch/FDDI system hasn't upgraded the MIB support from RFC 1285,
    the FGL tries to fake up the old MIB objects and simulate them.  
    
        In RFC 1285, snmpFddiMACCurrentPath is defined as an integer which
    is really a bit mask (values are 1,2,4,8,16), with 4 meaning
    "secondary".
    
        In RFC 1512, fddimibMACCurrentPath is defined as an integer which
    is a list (values are 1,2,3,4,5,6), with 4 meaning "primary".
    
        I think the FGL is probably taking the value which CNS is
    returning, and giving it to the SCP without "fixing" it.
    
        I have no idea why you have no utilization.  Are you certain that
    data is going through the port?
    
    MDL
971.2answersSALEM::ELWARNERFri Apr 18 1997 12:354
    Thanks.
    
    	Yes there is data on the port. If I look at the system status
    	I see utilization on that port.
971.3NPSS::MDLYONSMichael D. Lyons DTN 226-6943Fri Apr 18 1997 12:4811
       ...in .2, I meant "bit map", not "bit mask".
    
         I don't understand if you think you have a problem or not.  First,
    you haven't mentioned any products with which you're measuring the
    utilization.  My assumption is that you're using MultiChassis Manager. 
    If so, you will more likely get a response in the KALI::HUB_MGNT notes
    conference.  Secondly, if you do think you have a problem, what are you
    observing which leads you to believe that MCM (or whatever) is
    reporting it incorrectly?  Please be more specific.
    
    MDL