SWITCHlan Trouble Tickets

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Ticket 20111116_2

Ticket Number: 20111116_2Ticket State: CLOSED
Ticket Opened: 2011-11-16 16:29Ticket Closed: 2011-11-29 08:26
Ticket Description: Scheduled interruption of SBB fiber near Erstfeld
Scheduled Starttime: 2011-11-27 20:40:00Scheduled Endtime: 2011-11-28 01:00:00

Problem Description:

There will be maintenance by SBB on our fiber link between Z├╝rich and Manno.
This will reduce the redundancy of
- the SWITCH IP backbone
- the network access of SUPSI, TI-EDU and HSLU
This will also interrupt the CBF link CNAF-GRIDKA-LHCOPN-001

Affected:

From 2011-11-27 20:40 until 2011-11-28 01:00
Impact: Total loss of connectivity
Service: P2P/OPN
Sites: CNAF-GRIDKA-LHCOPN-001


From 2011-11-27 20:40 until 2011-11-28 01:00
Impact: no more redundancy
Service: network access
Sites: CSCS, HSLU, TI-EDU


Actions:


2011-11-29 08:26
Ticket closed after 24h of error-free operation.

2011-11-28 02:18
All links up and now officially ready for service!

2011-11-28 02:13
Link down once more. SBB informs that this is for making the final measurements.

2011-11-28 00:31
All links restored. A minor attenuation increase of approx. 0.5 dB is visible on the northbound fiber.

2011-11-27 21:56
The fibers have been cut.

2011-11-23 14:37
The start and end time of the maintenance have been changed.


For all questions about this ticket, please send mail to noc@switch.ch
or call +41 44 268 15 30.