Ticket Number: HEA-NOC/20090331-2 Ticket Status: UPDATE Ticket Type: scheduled Resolver: HEA-NOC Ticket Opened: 20090331 12:05 UTC+1 Problem Start: 20090401 08:15 UTC+1 Ticket Update: 20090401 09:17 UTC+1 Problem End: 20090401 09:00 UTC+1 Site/line: HEA-NOC, NCIRL Problem Description: A new OADM has been installed in the HEAnet GD5 office to provide a wavelength to the testlab. To add this OADM, there will be a brief outage on the UPC fibre ring (TCD, GD5, NCI) while patching is performed. Problem Effects: NCI: loss of resilience (NCI-TCD fibre will be unaffected) GD5: outage to gd5-sw1 for ~5mins. Loss of resilience to HEAnet office IP connectivity (cpe1-heanet has a Colt fibre link to kp-sw1). Office phone not affected. Problem History: 20090331 11:37 CS Scheduling work. 20090401 09:11 CS Work complete, will switch HEAnet office link from backup to primary at 09.25. This will cause a brief outage. -- This ticket can be monitored at http://www.hea.net/tickets/20090331-2 HEAnet Limited. Registered in Ireland, No. 275301.