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Conference azur::mcc

Title:DECmcc user notes file. Does not replace IPMT.
Notice:Use IPMT for problems. Newsletter location in note 6187
Moderator:TAEC::BEROUD
Created:Mon Aug 21 1989
Last Modified:Wed Jun 04 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:6497
Total number of notes:27359

5989.0. "Disable spanning tree in LB200?" by WARABI::CHIUANDREW () Thu May 12 1994 21:19

    Hi,
    
    COuld we use DECmcc ELM AM to disable/enable the spanning on LB200 (I
    mean turn-off the spanning other than change it from auto-select to IEE
    802.1)?
    
    If not, how could we do it (using MOP, etc..)?
    
    
    Thanks
    Andrew Chiu - NIS Sydney
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5989.1Dont do it!BIKINI::KRAUSECSC Network Management/HubsMon May 16 1994 08:599
>    COuld we use DECmcc ELM AM to disable/enable the spanning on LB200 (I
>    mean turn-off the spanning other than change it from auto-select to IEE
>    802.1)?

Why on earth would you ever want to disable spanning tree ???  This 
could have disastrous effects on your network. I don't believe that any 
of our bridges would support this.

*Robert
5989.2NPSS::WADENetwork Systems SupportTue May 17 1994 09:4818
    re .0
    
    No you can not turn off the STP on the LB200.
    
    re .1
    
    The GIGAswitch is essentially a 100Mb bridge. V2.0 includes an SNMP
    object, gigaStpPortSpanningTreeEnable, that allows the user to turn off 
    spanning tree.  There is a discussion of the pros/cons in the 
    SCHOOL::GIGASWITCH conf (I don't have the entry #).    
    
    V2.8 of the DEC ELAN Vendor MIB includes an object,
    ebrIfSpanTurnOffStatus, that can be used on DEC bridges that support
    this version of the MIB.  I beleive this functionality is planned for the 
    DECbridge 900.
    
    
    Bill