Ticket info
| Ticket number | 33796 |
| Context | NOC-NetworkServices |
| Ticket Status | Close |
| Ticket Source | GARR |
| Ticket Type | Maintenance |
| Ticket open time | 16/07/2026 13:02 |
| Ticket close time | 29/07/2026 08:19 |
| 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 | Planned maintenance |
| Problem fixer | Supplier |
| Problem start | 28/07/2026 17:00 |
| Problem end | 28/07/2026 21:00 |
| Subject | [PLANNED MAINTENANCE] E2E ECMWF TC1 - CSCS lato ECMWF TC1, e2e LHCOPN CERN link2 |
| History | 16/07/2026 13:02 In the announced maintenance window the local fiber cable team will perform a troubleshooting session to fix the excess of attenuation on the spans Grenoble to La Motte Servoleux and La Motte Servoleux to Argonay in France on the Geant dark fiber between Marseille Fr and Geneva CH. This intervention is traffic affecting and the whole window has been reserved accordingly. 22/07/2026 09:45 Maintenance postponed to Tuesday 28th of July 2026 from 15 to 19 UTC. |
| Problem fix | Maintenance completed |