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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

3174.0. "900EF subnet mask?" by LEMAN::PAIVA (Hawkeye - Network Support @GEO) Thu Jan 18 1996 05:41

    Hi!
    
      When setting a DECswitch 900EF's IP address, only the IP address is
    asked, that is NO subnet mask. What's the "active" subnet mask then?
    
      Thanks.
    
      Pedro
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3174.1You probably aren't running the most recent FW rev..NETCAD::BATTERSBYThu Jan 18 1996 09:247
    If your 900EF has I believe FW=1.5.0 or newer (preferably the latest 
    rev of 1.5.2), when you go into menu 4 of the console menu, to enter
    an IP address, it should prompt you for a subnet mask. So perhaps
    your 900EF does not currently have the most recent rev of firmware
    loaded to it.
    
    Bob
3174.2subnet mask w/ V1.4.0LEMAN::PAIVAHawkeye - Network Support @GEOThu Jan 18 1996 10:089
    Bob,
    
      You're right. What I should have asked is what's the default subnet
    mask for V1.4.0. The problem that may have led to the problem had
    already disappeared when I asked the question (after upgrading to
    V1.5.2 last night).
    
    Pedro
    
3174.3It probably would have been 255.0.0.0NETCAD::BATTERSBYThu Jan 18 1996 11:078
    I'm told on the old rev of 1.4.0 that we used the network mask
    as the subnet mask. So depending on what class (A,B,C) you were
    in you would get the corresponding effective subnet mask.
    So here at Digital the mask would have been 255.0.0.0
    I'm not an IP expert, but I'm learning. :) So I had to go off and 
    ask this question.
    
    Bob
3174.4ThanksLEMAN::PAIVAHawkeye - Network Support @GEOThu Jan 18 1996 11:517
    So, as the customer's net is a Class C (194.x.x.x) then the subnet mask
    should have been 255.255.255.0
    
    Thanks Bob.
    
    Pedro
    
3174.5You got it right I believe! :)NETCAD::BATTERSBYThu Jan 18 1996 13:073
    Yes I believe that's correct, and you're also welcome.
    
    Bob :)