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Conference irocz::common_brouters

Title:Digital Brouters Conference
Notice:New common-code brouter family: RouteAbout, DECswitch 900
Moderator:MARVIN::HARTLL
Created:Mon Jul 17 1995
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:929
Total number of notes:3736

865.0. "VNbus as an IP subnet?" by ALBANY::BARTLEY () Thu Apr 17 1997 17:14

    I have customer using a DECswitch 900EF/MP. I need to get another
    100+Mb subnet going. Can the VNswitch900EF/MP route to the VNbus?
    I would like to hang a VNswitch 900EA off of the VNbus and distribute
    out from here with an ATM900F.
    
    Will this work?
    
    Thanks,
    
    Dave
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865.1MARVIN::CLEVELANDFri Apr 18 1997 11:465
    Today there is no routing on the VNswitch, but an upcoming release will
    add IP routing.  In that version, yes, you will be able to route IP via
    the VNBUS.
    
    
865.2What about MP?ALBANY::BARTLEYFri Apr 18 1997 17:567
    Will the future release add MultiProtocol Routing? I want to replace a
    DECswitch 900EF that is running MP. Still alot of LAT, etc.., running
    around out there.
    
    Thanks,
    
    Dave
865.3IP routing onlyCSC32::bngpc.cxo.dec.com::goodwinBrad Goodwn - NSISFri Apr 18 1997 18:071
Nope, it is IP routing only. No MP.
865.4Can I bridge everything else?ALBANY::BARTLEYFri Apr 18 1997 18:435
    When you say IP routing only, will it bridge all other protocols?
    
    Thanks,
    
    Dave
865.5CSC32::bngpc.cxo.dec.com::goodwinBrad Goodwn - NSISFri Apr 18 1997 18:562
yes, it will route IP, from what I understand using RIP or OSFP, and 
bridge everything else.
865.6MARVIN::CLEVELANDMon Apr 21 1997 07:595
    The next release will route IP, just like a WGE would (same routing
    protocols, etc).  Additional protocols are being considered for future
    releases (ie, make your case to product management).
    
    Tim
865.7Just RIP and OSPF Routing ProtocolsMARVIN::HARTTony Hart, InterNetworking Prod. Eng. GroupMon Apr 21 1997 08:174
VNS V2 will only support RIP and OSPF as routing protocols.  So it won't support
integrated ISIS and Multicast routing.

Tony
865.8Why no MP?ALBANY::BARTLEYMon Apr 21 1997 16:3812
    Why no Multiprotocol version? Are the other protocols dying a slow
    death? Is Digital going to stop selling DECnet licenses on Alphas and
    Vaxes. 
    
    I am anticipating some customer questions. 
    
    Is it for perfomance in the VNswitches? Will the MP still be available
    for the DECswitches?
    
    Thanks,
    
    Dave
865.9business decisionFORBIN::WILKINSONMon Apr 21 1997 18:326
    The decision as to which protocols are routed on the VNswitch is
    purely a business decision.  Technically, the VNswitch can suuport
    routing all of the popular protocols -- its just a matter of software.
    Forward your requests and business case to product management.
    
    Hugh
865.10ALBANY::BARTLEYMon Apr 21 1997 19:405
    I think I will. Who is Product Management for Routing Code?
    
    Thanks,
    
    Dave
865.11How is the VNbus used?ALBANY::BARTLEYMon Apr 21 1997 20:2817
    I would like to clarify how the VNbus will work using it with
    VNswitches running IP code. 
    
    1. Will the VNbus be treated as a subnet wire? If I want to route
    across the VNbus, do I have to assign it a subnet?
    
    or
    
    2. Will the VNbus join VNswitches together to make one big VNswitch
     router like the way IMBs make multiple repeater/PORTswitch modules
     into a big repeater?
    
    
    Thanks,
    
    Dave
    
865.12MARVIN::CLEVELANDTue Apr 22 1997 09:006
    Sorry to cause any confusion...
    
    It is RIP & OSPF only; no BGP/MOSPF/DVMRP...or Int-IS/IS of course,
    since it supports no OSI at all.
    
    Tim
865.13IROCZ::GUNNERTue Apr 22 1997 12:4519
re .11: 

    1. Will the VNbus be treated as a subnet wire? If I want to route
    across the VNbus, do I have to assign it a subnet?
    
    or
    
    2. Will the VNbus join VNswitches together to make one big VNswitch
     router like the way IMBs make multiple repeater/PORTswitch modules
     into a big repeater?

Each VNswitch module acts as a separate router. To communicate across
the VNbus, you configure one or more VSDs (VLANs) to include the VNbus
and then you configure a routing virtual interface over each VSD. So,
the VNbus will be a member of one or more VSDs, each of which may have
a routing virtual interface attached and each routing virutal interface
will have its own subnet address(es).

Chris