Ticket info
| Ticket number | 33330 |
| Context | NOC-NetworkServices |
| Ticket Status | Open |
| Ticket Source | GARR |
| Ticket Type | Maintenance |
| Ticket open time | 04/05/2026 18:54 |
| 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 | Troubleshooting excess attenuation on span Lyon to Grenoble |
| Problem fixer | Supplier |
| Problem start | 05/05/2026 17:00 |
| Problem end | 05/05/2026 20:00 |
| Subject | [PLANNED MAINTENANCE] E2E ECMWF TC1 - CSCS lato ECMWF TC1, e2e LHCOPN CERN link2 |
| History | 04/05/2026 18:54 In the mentioned maintenance window the cable provider will perform an intervention to restore the correct optical attenaution profile on the cable between Grenoble and Lyon in France. This intervention is traffic affecting and the whole window has been reserved accordingly. |
| Problem fix |