Unscheduled:

  • September 19th: A fiber break in Kalmar caused loss of redundancy for LNU, BTH and LU. All affected links were restored when the fiber was repaired.
  • September 16th: Troubleshooting a software issue in the transmission NMS caused an unexpected outage on MAH's green link to SUNET.
  • August 31st: The timing problem in the 4200 and the link down was caused by a faulty transponder which was replaced.

Scheduled:

  • September 25th: Our fiber supplier performed maintenance work causing outages for customers in the west green network.
  • September 21st: A fiber reconnection work was carried out in north red network.
  • September 14th: A network maintenance was carried out in one of our links between Stockholm and Visby.

Scope

Unscheduled

Scheduled

Total

Hardware

1 pcs 20:28

0 pcs

1 pcs 20:28

Link

1 pcs 1d 03:07

3 pcs 02:00

4 pcs 1d 05:07

None

0 pcs

0 pcs

0 pcs

Routing

0 pcs

0 pcs

0 pcs

Software

1 pcs 00:33

0 pcs

1 pcs 00:33