Ticket Number: HEA-NOC/20080918-9 Ticket Status: UPDATE
Ticket Type: scheduled Resolver: UPC
Ticket Opened: 20080918 19:04 UTC+1 Problem Start: 20080916 18:18 UTC+1
Ticket Update: 20080928 15:07 UTC+1 Problem End:
Site/line: HEA-NOC, NCIRL
UPC have notified us of work planned for 28th September 01:00hrs - 05:00,
which will affect circuits to GD5 and NCI. NCI has an alternative circuit
from another provider, so no service disruption of data traffic is
Voice calls to HEAnet may experience disruption during the outage window.
NCI and Georges Dock are connected in a dark fibre ring back to the TCD
PoP. The fibres forming this ring are provided by UPC. HEAnet phones
utilise a single PRI line which will also be affected.
No disruption to NCI is expected as neither of the UPC fibres are used as
their primary link.
The HEAnet office will experience a short data outage while traffic
switches over to an alternative circuit. HEAnet voice call may also be
disrupted during the window.
20080918 18:18 PC - Only endpoints on the ring were mentioned by UPC, and
each site has two UPC fibres. Have requested confirmation of the affected
20080919 11:25 PC - UPC have confirmed that one of the two fibres they
supply to NCI will be affected. This fibre terminates at the HEAnet
office. A second UPC fibre connecting the HEAnet office back to the HEAnet
PoP in TCD will also be affected.
20080919 11:45 PC - To avoid disruption to calls, the HEAnet office number
will be diverted at the providers exchange at 17:30 on the Friday, until
08:00 Monday morning. This should not affect the normal out of hours call
procedures in any way.
20080923 17:12 PC
20080926 17:50 GAR HEAnet NOC phone number has been diverted in
preparation for this work. Test call put through, and everything is
working as per plan. Contact with the NOC over the weekend shall be
through the normal NOC phone number of 01-6609040.
20080928 15:02 CS Outage observed on NCI - TCD UPC link from 01:00 -
04:14. No outage observed on GD5 - TCD link.
Time to Fix:
Expected duration of the work to 4 hours
This ticket can be monitored at http://www.hea.net/tickets/20080918-9
HEAnet Limited. Registered in Ireland, No. 275301.