[Simh] Cluster communications errors

[Hunter Goatley]

Another data point. After more playing around and several reboots, I can 
confirm that with tunneling using the host system's Ethernet device, 
communications with other cluster members /only/ drops when DECnet is 
started.

    %%%%%%%%%%%  OPCOM  19-JUL-2018 23:14:55.58  %%%%%%%%%%%
    Message from user DECNET on DARTH
    DECnet starting

    %CNXMAN,  lost connection to system QUEST
    %CNXMAN,  lost connection to system GALAXY
    %CNXMAN,  re-established connection to system FASTER
    %CNXMAN,  quorum lost, blocking activity
    %CNXMAN,  re-established connection to system VADER
    %CNXMAN,  re-established connection to system QUEST
    %CNXMAN,  quorum regained, resuming activity

That's not a full log, but as soon as I see the OPCOM message about 
DECnet starting, I get the "lost connection" messages, then the 
"re-established" messages, and then everything is fine afterward.

Hunter

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