Ticket Number: HEA-NOC/20080204-8 Ticket Status: UPDATE Ticket Type: scheduled Resolver: BT Ireland Ticket Opened: 20080204 16:00 UTC Problem Start: 20080209 23:59 UTC Ticket Update: 20080208 20:00 UTC Problem End: 20080210 08:00 UTC Site/line: IADT, NUIM, Géant STM-16 Secondary Problem Description: BT Ireland have informed us that they wish to replace 1 KM of fibre on the link towards Maynooth and IADT. This work is to make permanent the temporary fix installed after the break in December. Problem Effects: BT Ireland Link to IADT will be down during the window (estimated recovery time of 04:00). This will mean a loss of General IP and Commodity Internet service to IADT. The BT Ireland link to NUIM will be down during the window (estimated recovery time of 04:00). All traffic will flip to the Eircom link to NUIM with no noticeable outage. Traffic will revert to the BT Ireland link when the maintenance is complete. Problem History: 20080204 15:55 BN Confirmed times and dates with NUIM. 20080205 10:05 BN Additional information has been given to HEAnet stating that IADT will also be affected by this work. Effects and other relevant fields updated to reflect this change. 20080208 19:59 BN Geant have informed us that this work will also affect our backup link and the HEAnet <-> CERN p2p circuit. Time to Fix: 8 hours -- This ticket can be monitored at http://www.hea.net/tickets/20080204-8 HEAnet Limited. Registered in Ireland, No. 275301.