Ticket info
| Ticket number | 33290 |
| Context | NOC-NetworkServices |
| Ticket Status | Close |
| Ticket Source | GARR |
| Ticket Type | Maintenance |
| Ticket open time | 22/04/2026 17:52 |
| Ticket close time | 23/04/2026 08:07 |
| Affected Link | E2E ECMWF TC2 - CSCS lato ECMWF TC2 GEANT IP service backup [GARR AP2] - PoP Milano Lancetti backup GEANT MIL1 management - PoP Milano Lancetti GEANT Peering backup [IAS-bck] - PoP Milano Lancetti backup L3VPN LHCONE GEANT -- PoP Milano-Lancetti L3VPN LHCONE KIAE via AMS L3VPN LHCONE KIAE via AMS L3VPN LHCONE KIAE via MOS L3VPN LHCONE KIAE via MOS Peering KIAE via AMS Peering KIAE via AMS Peering KIAE via MOS [Optical] e2e CERN - Ginevra (CH) -- CNAF - Bologna Tecnopolo Tier1 via SpectrumSharing GARR-GEANT Link 1 [Optical] e2e CERN - Ginevra (CH) -- CNAF - Bologna Tecnopolo Tier1 via SpectrumSharing GARR-GEANT Link 3 [Optical] e2e CNAF - Bologna Tecnopolo Tier1 -- CERN - Ginevra (CH) via SpectrumSharing GARR-GEANT Link 1 [Optical] e2e CNAF - Bologna Tecnopolo Tier1 -- CERN - Ginevra (CH) via SpectrumSharing GARR-GEANT Link 3 e2e ExpressRoute 2 Uni-Milano Bicocca - lato GEANT e2e ExpressRoute 2 Uni-Milano Bicocca - lato MB00 e2e ExpressRoute 2 Uni-Roma2 - lato GEANT e2e ExpressRoute 2 Uni-Roma2 - lato RM4 e2e LHCOPN CERN link1 IPv4 e2e LHCOPN CERN link1 IPv6 |
| Affected Service | GEANT IAS GEANT IP service GEANT L3VPN LHCONE OPN LHCOPN CNAF-CERN lato CERN OPN LHCOPN CNAF-Tecnopolo -- CERN lato CNAF Peering KIAE Peering KIAE LHCONE e2e ECMWF - CSCS (Lugano) e2e ExpressRoute Uni-Milano Bicocca e2e ExpressRoute Uni-Milano Bicocca - lato GEANT e2e ExpressRoute Uni-Roma2 - lato GEANT e2e ExpressRoute Uni-Roma2 - lato RM4 e2e LHCOPN MILANO-CERN |
| Problem type | Fault |
| Problem description | Planned maintenance |
| Problem fixer | Supplier |
| Problem start | 22/04/2026 18:00 |
| Problem end | 23/04/2026 01:00 |
| Subject | [PLANNED MAINTENANCE] GEANT AP2 services - PoP Milano-Lancetti |
| History | 22/04/2026 17:52 During the announced maintenance window Geant HW provider will perform a card swap on node ORBESZAA-MTC9-1 to address an issue of not working control OSC channel. This intervention will cause traffic hits on the GEANT dfroute Milan to Geneva and the whole window has been reserved accordingly. 22/04/2026 18:27 For logistical reasons the end time of this intervention has been delayed to 23/04/2026 01:00 local time |
| Problem fix | The maintenance work has been completed |