Ticket info
| Ticket number | 26844 | 
| Context | NOC-NetworkServices | 
| Ticket Status | Close | 
| Ticket Source | GARR | 
| Ticket Type | Maintenance | 
| Ticket open time | 23/01/2023 08:41 | 
| Ticket close time | 08/02/2023 13:55 | 
| Affected Link | e2e LHCOPN CERN backup | 
| Affected Service | e2e LHCOPN MILANO-CERN | 
| Problem type | Fault | 
| Problem description | Planned maintenance | 
| Problem fixer | Supplier | 
| Problem start | 07/02/2023 17:00 | 
| Problem end | 07/02/2023 19:00 | 
| Subject | [Planned Maintenance]e2e LHCOPN MILANO-CERN | 
| History | 23/01/2023 08:41 The circuit provider has announced a planned maintenance in the above window to perform optical link rebalancing. An outage of 30 minutes is expected, however the entire window is reserved.  | 
| Problem fix | Manutenzione completata |