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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

4425.0. "VNswitches only IEEE SPT ?" by UTOPIE::BRAUN_R () Tue May 20 1997 13:39

    Hi all,
    
    for a project we would need FDDI-FDDI-bridging and we came to the 
    upcoming VNswitch FF (summer ?).
    But we definitely need DEC spanning tree (= LB100). In our test lab
    we checked another VNswitch (don't know exactly, which one) and
    found no way to change from IEEE to at least AUTOSELECT (as with
    the DECswitch 900EF). We assume, this will be the same for the 
    VNswitch FF!?!?!?
    
    Is this true ?
    If so, any plans, alternative products ?
    
    Any help will be highly appreciated.
    
    Thanks,
    Ralph
T.RTitleUserPersonal
Name		DateLines
4425.1only IEEEFORBIN::WILKINSONTue May 20 1997 14:196
    There are not plans to support DEC spanning tree with the VNswitch
    products.  I think that this has been the trend for all new
    bridge products over the last couple of years.
    
    Hugh
4425.2UTOPIE::BRAUN_RWed May 21 1997 04:599
    Thanks!
    
    Now we have to look for another way to do this. But, apart from costs,
    I think, also the GIGAswitch does not support DEC SPT.
    
    Any other way than a CISCO with 2 x FDDI ?
    
    Thanks,
    Ralph
4425.3Now might be a good time to "upgrade" your lab...NETCAD::BATTERSBYWed May 21 1997 10:008
    Ralph, do you have an actual count of LB100's in your lab that
    are really LB100's and not LB150's. The LB150 I believe does
    support IEEE STP. So if almost all your "legacy" bridges are
    LB150's or even LB200's and a very small number are the older
    original LB100's, perhaps there are some opportunities to scale/change
    your lab configuration so as to retire the older LB100's.
    
    Bob
4425.4no easy wayUTOPIE::BRAUN_RThu May 22 1997 04:3911
    Hi,
    
    the problem is:
    this is a very large bridge network of the Austrian Futures Exchange,
    connected directly to some other banks (with extensive bridge filters).
    Of course, DEC SPT is in use for historical reasons, but due to the 
    large number of participants, we have no easy way to change within
    the next 1 - 1 1/2 years.
    
    Regards,
    Ralph
4425.5Contact the Product Manager....NETCAD::BATTERSBYThu May 22 1997 10:1513
    Sorry, in your base note, I saw your words, "project", and
    "test lab", and presumed you were referring to an internal
    test lab at a DIGITAL site. Yes, your customer (Austrian Futures
    Exchange), is at somewhat of a disadvantage in terms of being
    able to integrate current technology in their network.
    If you feel there is a future revenue impact (IE: the risk that
    the Austrian Futures Exchange would do business eleswhere), I'd
    recommend contacting the product manager Alice Hassey, (delni::hassey)
    and make your concerns known. Sometimes solutions come forth once
    the real revenue impact is expressed. 
    
    Bob