SWITCHlan Trouble Tickets

Transparency is very important to us. We therefore publish all trouble tickets about issues that have an impact on our customers. We show both currently open tickets as well as all closed tickets.

Ticket 20070727_1

Ticket Number: 20070727_1Ticket State: CLOSED
Ticket Opened: 2007-07-27 16:00Ticket Closed: 2007-07-31 06:58
Ticket Description: link ETHZ - Horw down

Problem Description:

The link between EZ2 and HO2 is down since 14:38
FHZ is still reachable through redundant path - all traffic will be automatically rerouted.
It's a bidir link on a single fiber.
Between Z├╝rich and Zug the second fiber of the fiber pair is working properly.
Between Zug - Luzern - Horw the second fiber is used by FHZ for their own network.


From 2007-07-27 14:38 until 2007-07-27 20:46
Impact: no more redundancy
Sites/Services: FHZ


2007-07-27 21:58
Since 20:46 the link is up again.
No details about the incident is available so far.

2007-07-27 17:00
FHZ informed that WWZ has a problem with their infrastructure near Steinhausen.

2007-07-27 15:21
Andrea Arquint from FHZ will check if there is a problem with their own link between Zug and Luzern or between Luzern and Horw on the other fiber of the same fiber pair.

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