Ticket Number: HEA-NOC/20011006-01 Ticket Status: UPDATE
Ticket Type: Unscheduled Ticket Source: HEA-NOC
Ticket Scope: Site Site/Line: HEanet<==>IT-Tallaght
Ticket Owner: [log in to unmask] Problem Fixer: HEA-NOC
Ticket Opened: Problem Start: 20011006 06:05 UTC+1
Ticket Closed: Problem End: 20011006 18:12 UTC+1
20011006 ITnet circuit AVC 500064/ATM 502420 55Mbit circuit down and IT-Tallaght backup circuit also down
All traffic to and from IT-net to HEAnet
20011006 08:30 Reported fault to Eircom fault reference number 697
20011006 08:45 Rang Martin McCarrick and Lancomms John Gannon will talk to Martin and report back.
20011008 10:30 Eircom can't find any evidence of outage for last night.
Will continue to monitor circuit.
20011006 09:25 John Gannon reports that Eircomm have no errors on both the main circuit and backup circuit and it looks like a problem in IT Tallaght Martin is coming back to Dublin if he can't get anyone else will goto IT-Tallaght to check on the status of the router there and report back.
20011006 17:40 Contact Eircom's ATM NOC and ask them to check
circuit and relevant bearer STM-1s. They see a problem on the
STM-1 from Beggar's Bush exchange to HEAnet's Dublin PoP at
Brooklawn House. They said they would investigate and report.
20011006 18:15 Eircom detect faulty card in BB exch. This is
replaced and circuit comes up. Traffic with ITs resumes.
Ticket will stay open overnight for monitoring.
20011007 23:45 Loss of connectivity for 12 minutes, until 23:57.
Will contact IT Tallaght in morning.
20011008 10:00 IT Tallaght report same hit, no cause their end. Report to Eircom ATM NOC.
Time to Fix:
12 hours 7 minutes + 12 minutes