201107 - Public report

Unscheduled:

• 21.06.2011 14:44 UTC - A router rebooted spontaneously and the issue was raised with JTAC. NO RFO was found by JTAC since the problems never reoccurred. This ticket will be closed.
• 13.07.2011 12:04 UTC - There was an outage on the link connecting KTHNOC to SUNET. The cause has not been found.
• 04.07.2011 11:15 UTC - There were recurrent outages in the South Red network. The problem was fixed by changing the fibre between two amplifier sites.
• 19.07.2011 13:38 UTC - The link between KTH and NDGF through SUNET started to flap. The flaps stopped after a patch cable was pulled out and plugged in.
• 11.07.2011 18:53 UTC - The signal on PDCs link to DEISA was degraded and had a high error count. An intervention was held to replace a transmission card which solved the problem.
• 14.07.2011 13:29 UTC - There was an outage on PDCs link to DEISA caused by a faulty transmission board.
• 05.07.2011 08:38 UTC - A brief outage (2 min) was detected between Skövde and SLU Skara. We could not find any reason for the outage.
• 02.07.2011 09:44 UTC - A brief outage between SUNET and SFHM was detected. No RFO was found.

Scheduled:

• 04.07.2011 08:00 UTC - A planned maintenance to upgrade the Adobe Connect system was performed successfully.
• 07.07.2011 15:14 UTC - Planned maintenance was performed on the South Red network in order to troubleshoot link flaps.
• 11.07.2011 15:33 UTC - Fiber work was performed to troubleshoot the link outages on the South Red network.
• 19.07.2011 13:34 UTC - A transmission card was replaced in AG_421_KTH in order to fix the performance issues between KTH and DEISA.
• 04.07.2011 02:57 UTC - Our supplier performed reconnections of fibers in Borlänge.
• 18.07.2011 15:06 UTC - A planned maintenance was performed trying to fix the network issues in the south red network.
• 21.07.2011 15:30 UTC - A planned emergency maintenance was performed in order to trying fix the issues in the south red network.