8:28 a.m.
Ticket Number : SUNETTICKET-8048
Ticket Type : Unscheduled
Ticket Status : Closed
Ticket Summary : Link down HIM - LBA
Ticket Scope :
Ticket Opened : 20220804 17:42 UTC
Ticket Closed : 20220810 6:28 UTC
Problem Start : 20220804 17:32 UTC
Problem End : 20220809 14:16 UTC
Affected organisations:
* NORDUnet, SUNET, ORU, Netnod
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Description:
* Fiber break between Himmeta and Ãrebro
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Impact:
* Following services were affected:
SU-S002115: SUNET Backbone lba-r1 - fsn2-r1
SU-S002325: SUNET Backbone oru-r2 - fsn2-r1
SU-S003060: IP to ORU2
SU-S003658: Wave for Netnod "dwdm1-stc.sth.netnod.se" to
"dwdm1-ixn.cph.netnod.se"
SU-S003693: Wave for Netnod "dwdm1-stc.sth.netnod.se" to
"HMG9"
SU-S003713: AW Netnod STC - LLA1
SU-S003818: AW Netnod STHB - MCEN1
SU-S003676: Wave Nordunet HMG9 - BAL nordunet no-hmg9 <->
dk-bal2
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Update:
* 20220804 17:56 UTC
Escalated to provider
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* 20220804 19:55 UTC
Provider confirms fiber break. Measurements ongoing to
locate fault location
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* 20220804 21:40 UTC
Due to heavy thunderstorms no access to the fiber is
allowed, it's colocated with power cables. When weather
improves repair work can start.
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* 20220805 8:36 UTC
The troubleshooting will start soon. No ETR yet.
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* 20220805 12:13 UTC
Technicians have now made a measurement from one side of the
connection and are working on the other side right now. They
also discuss temporary solutions for how they can achieve a
temporary solution to the problem so that the impact is as
mild as possible.
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* 20220805 14:57 UTC
Update from provider:
Our technicians, together with contact persons, work to come
up with a flexible temporary solution that is both reliable
and good for all parties. Our technicians will continue to
work through the weekend on this. For that reason, we do not
have an estimated completion time to give out unfortunately.
We will continue to update you regularly and are grateful
for your patience.
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* 20220805 22:27 UTC
Update from provider:
Sub-provider is working on setting up a temporary fix while
they are conducting repairs on the damaged power pylon. No
ETR, but they are hopeful it will be no later than Friday,
20220812.
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* 20220806 19:34 UTC
The start of a temporary solution has been pushed back until
Monday, 8/8, due to difficult terrain. There is also lots of
broken equipment that needs to be removed from the site.
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* 20220807 18:35 UTC
Provider is positive that they can start working on an
emergency bypass tomorrow, Monday.
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* 20220809 9:55 UTC
Provider is working on to switch to an alternative fiber
today and expected ETR is this afternoon.
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* 20220809 14:23 UTC
Service restored by workaround from provider.
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Final ticket report:
* There was a fiber break between Himmeta and Ãrebro. Fiber
provider has temporarily moved to another fiber pair to
restore the service.
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