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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

1228.0. "DECbridge 520 as ring purger problem." by BACHUS::FOLENS () Mon Feb 07 1994 09:40

    We have an fddi ring with 2 DECbridges 520 and 2 DECbridges 620. The
    ring also has some fddi connected stations.
    When one of the 520's becomes the ring purger the data transfer from
    an ethernet connected to one of the 620's to a fddi station becomes
    extremely slow.
    Any problems known with the 520's?
    
    -Geert-
T.RTitleUserPersonal
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1228.1KONING::KONINGPaul Koning, B-16504Mon Feb 07 1994 12:0811
Is that the same problem reported in the Usenet newsgroup comp.dcom.lans.fddi,
involving an SGI Challenge (?) box?  I posted a reply there.  It sounds like
a problem on that box, since the ring purger works the same on all Digital
products.  (It is implemented in the MAC chip, which is the same for all.)

Could you find out what sort of address matching the Challenge device uses?
I wonder if it has some kind of "imperfect" filter (hash filter) that makes
it receive the ring purger messages from one of our nodes, but not from the
others.

	paul
1228.2BACHUS::FOLENSTue Feb 08 1994 08:354
    Thanks for the reply.
    What's the number of the article or the correct title?
    
    -Geert-