Links out of Canberra

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1 total messages Started by Mark I Turner Mon, 18 Jan 1993 06:42

#120

Author: Mark I Turner
Date: Mon, 18 Jan 1993 06:42

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Summary of a saga as yet without conclusion:

The Sydney and Melbourne links from Canberra went down at about:

>nsw.gw.au Mon Jan 18 06:18:59 EST 1993 

>national.gw.au Mon Jan 18 06:18:25 EST 1993

This was scheduled Telecom work advertised by the ANU
last week.  Both lines should have returned just after 0700, BUT...

As a result of this work, the Melbourne link was somehow looped (i.e.
(TX-->RX!) at a Canberra exchange.  This was eventually traced and fixed 
at about:

>national.gw.au Mon Jan 18 14:18:33 EST 1993


The Sydney link, on the other hand, returned at about:

>nsw.gw.au Mon Jan 18 07:05:58 EST 1993

and then, by coincidence, died again along with the other inhabitants of
"a 565 megalink trunk (!)" at:

>nsw.gw.au Mon Jan 18 12:34:50 EST 1993

No estimated time to repair.  Patches are being applied...

I apologise, on behalf of Telecom, for any inconvenience.


Mark Turner
Network Group
Australian National University

*------------------------------------------------------------------*
Mark Turner
Network and Technical Services
Australian National University
PH:  (06) 249 0321
FAX: (06) 247 3425
Email:  Mark.Turner@anu.edu.au

Miller's Axiom:  Internetworks, by nature are exceedingly complex.
When they work, they are marvels of engineering.  When they fail, 
you are in BIG trouble.
*------------------------------------------------------------------*

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