[3200] in SIPB bug reports

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Re: No active path to cspgce11 is currently available

daemon@ATHENA.MIT.EDU (mhpower@Athena.MIT.EDU)
Fri Sep 25 17:15:58 1992

From: mhpower@Athena.MIT.EDU
To: niki@Athena.MIT.EDU
Cc: bug-sipb@Athena.MIT.EDU
In-Reply-To: [3191] in SIPB bug reports
Date: Fri, 25 Sep 92 15:37:09 EDT

>Hello, I am frequently trying to communicate with somebody (K519Jani@cspgce11)
>but most of the times the reply I get is that : "No active path to cspgce11
>is currently available". Could someone explain me what this means?

What it means depends on the origin of the message. The message should
come to you with a signature of the form

   System Daemon AT nodename, via SIPB BITNET gateway

Most often, the "nodename" in the above form will be MITVMA. In that
case, there are two likely explanations:

  1) Some part of the BITNET software on one of MIT's IBM mainframes
     is not running. This effectively blocks all BITNET access from
     MIT. This is usually a temporary condition and is corrected by
     the mainframe staff who monitor its network connections. To find
     out if the mainframe system is actually shut down (which would
     cause a longer-term outage), you can call the status recording
     number at x8-7700.
  2) Spelling errors. This is the error message that is produced
     if you spell the nodename (cspgce11) wrong.

If the nodename is not MITVMA, it indicates a temporary failure of the
BITNET network (hardware or software) somewhere outside MIT. For
example, if the nodename is CSEARN, it means that the network outage
is somewhere inside Czechoslovakia.

Matt

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