2026-04 Public Report

Unscheduled:

• April 27th: The link between Kiruna - Luleå flapped and went down due to signal degradation. Problem resolved by changing to another fibre pair.
• April 7th:  Due to an accidental disconnection during planned maintenance, the links between Narvik–Kalix, Trondheim–Narvik, and Narvik–Oslo were down.
• March 28th: The link between Kiruna and Narvik was down due to a fiber break.
• March 2nd: The connection to RISE at Drottning Kristinas Väg 61, in Stockholm went down due to unannounced planned maintenance carried out by fiber provider.

Scheduled:

• April 28th: Emergency Link Maintenance performed to troubleshoot an issue with wavelength between Jönköping - Växjö.
• April 27th: Provider performed fiber maintenance between Ånäset - Umeå affecting the service passing through this path.
• April 24th: SUNET performed a change of the filter box for ALM in Arvidsjaur.
• April 23rd: Provider performed fiber work between Lund and Malmö.
• April 23rd: SUNET deployed active live monitoring units for all fiber stretches on the circuit going through Haparanda - Kalix & Haparanda - Övertorneå.
• April 23rd: SUNET performed emergency maintenance and cleaned and replaced optics in Jönköping.
• April 22nd: SUNET performed software upgrades of optical nodes in Lund, Växjö & Trelleborg.
• April 21st: Provider performed fiber maintenance that affected the link between Svappavaara - Junosuando.
• April 21st: The ADVA optical node in Stockholm was upgraded to a newer software version.
• April 20th: The ADVA optical nodes in Sundsvall, Östersund, and Örebro were upgraded to a newer software version.
• April 20th: SUNET performed emergency maintenance to replace a router in Gävle.
• April 16th: The ADVA optical node in Kalix was upgraded to a newer software version.
• April 16th: Provider performed emergency fiber maintenance between Arvidsjaur and Gargnäs.
• April 16th: SUNET performed software upgrades of optical nodes in Kristianstad, Mörarp, Varla & Oslo.
• April 15th: Provider performed fiber maintenance that affected the IP-VPN customer connection for RISE at Björkskataleden 112, Luleå.
• April 15th: The ADVA optical node in Ballerup was upgraded to a newer software version.
• April 15th: SUNET performed software upgrades of optical nodes in Alvesta, Halmstad, Karlskrona & Kalmar.
• April 15th: Provider performed CPE upgrade that affected the IP-VPN customer connection for RISE at Kristineberg 566, Fiskebäckskil.
• April 14th: The ADVA optical nodes in Umeå & Luleå were upgraded to a newer software version.
• April 14th: SUNET performed software upgrades of optical nodes in Åkroken, Kalix & Sundsvall.
• April 13th: SUNET performed a reboot of a router in Gävle.
• April 13th: SUNET performed software upgrades of optical nodes in Västerås and Eskilstuna.
• April 13th: SUNET performed software upgrades of optical nodes in Kaiseniemi, Skellefteå, Kiruna & Narvik
• April 12th: Provider performed maintenance that affected the IP-VPN customer connection for RISE at Blåportsgatan 7a, Karlskrona.
• April 9th: The ADVA optical nodes Falun and Borlänge were upgraded to a newer software version.
• April 9th: The ADVA optical nodes in Uppsala, Västerås, Trondheim & Stockholm were upgraded to a newer software version.
• April 8th: The ADVA optical node in Stockholm was upgraded to a newer software version.
• April 8th: Provider performed link maintenance that affected the IP-VPN customer connection for RISE at Lindholmsallén 10, Göteborg.
• April 7th: The ADVA optical nodes Ørestad and Malmö were upgraded to a newer software version.
• April 7th: SUNET performed maintenance to remove filter box for ALM in Arvidsjaur. 
• April 1st: The ADVA optical nodes Örebro & Borlänge were upgraded to a newer software version.
• March 31st: Provider performed fiber maintenance between Varla - Holmagärde, affecting services traversing this path.
• March 31st: Provider performed software upgrade maintenance, affecting the IP-VPN customer connection for RISE at Öståsgatan 25, Bäckhammar in Kristinehamn.