11:43 a.m.
Ticket Number : SUNETTICKET-8242
Ticket Type : Unscheduled
Ticket Status : Closed
Ticket Summary : Link flap
Ticket Scope : Link
Ticket Opened : 20221114 12:37 UTC
Ticket Closed : 20221116 11:43 UTC
Problem Start : 20221114 10:03 UTC
Problem End : 20221114 13:42 UTC
Affected organisations:
* HH, NORDUnet, OSO, RISE, Netnod
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Description:
* The link between GBG7 - VLA flapped for a few seconds.
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Impact:
* * The following services was affected:
SU-S002124 IP - Backbone Backbone gbg7-r1 -
hsd1-r1
SU-S002372 IP - Backbone Backbone hh-r2 - gbg7-r1
SU-S002395 IP - Backbone Backbone onsala-r1 -
gbg7-r1 OSO
SU-S003018 IP - Customer Connection IP to HH2 HH
SU-S003058 IP - Customer Connection IP to
ONSALA OSO
SU-S003632 DWDM - Alienwave TUG - BAL NDN1
193.50THz NORDUnet
SU-S003650 DWDM - Alienwave TUG - BAL NDN2
193.050THz NORDUnet
SU-S003651 DWDM - Alienwave TUG - BAL NDN3
193.00THz NORDUnet
SU-S003658 DWDM - Alienwave Wave for Netnod
"dwdm1-stc.sth.netnod.se" to
"dwdm1-ixn.cph.netnod.se" Netnod
SU-S003676 DWDM - Alienwave Wave Nordunet HMG9 -
BAL
nordunet no-hmg9 <-> dk-bal2 NORDUnet --
ni.nordu.net
SU-S003801 DWDM - Alienwave Netnod BCK -
Malmö Netnod
Reduced redundancy in SUNET backbone.
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Update:
* 20221114 14:42 UTC
Escalated to circuit owner so they can investigate the
flaps.
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Final ticket report:
* The link between GBG7 - VLA flapped for a few seconds.
The reason for the outage was a unannounced fiber
reconnnection by provider technician.
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