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Ticket info

Ticket number 33591
Context NOC-NetworkServices
Ticket Status Update
Ticket Source GARR
Ticket Type Incident
Ticket open time 17/06/2026 15:46
Ticket close time
Affected Link E2E ECMWF TC1 - CSCS lato ECMWF TC1
e2e LHCOPN CERN link2 IPv4
e2e LHCOPN CERN link2 IPv6
Affected Service e2e ECMWF - CSCS (Lugano)
e2e LHCOPN MILANO-CERN
Problem type Fault
Problem description Link down during mentioned time window
Problem fixer Supplier
Problem start 17/06/2026 14:39
Problem end 18/06/2026 01:00
Subject [Link flap] E2E ECMWF TC1 - CSCS lato ECMWF TC1, e2e LHCOPN CERN link2
History 17/06/2026 15:46
GEANT OC is investigating
18/06/2026 08:28
There has been a second link flap between 01:41 and 01:50 am UTC+2. GEANT OC is still investigating
18/06/2026 08:31
GEANT OC reports that they'd observed fiber disturbances between Finale Ligure and San Remo, Italy. They are currently monitoring the link for stability.
Problem fix