Page History

Unscheduled:

• November 23rd: There was a fiber break causing an outage on DU's red link.
• November 22nd: During a site intervention

• (SUNETTIKCET-2198)

• there

• was

• an

• outage

• on

• the

• terminating

• circuits

• in

• Linköping.

• The

• outage

• was

• caused

• by

• a

• miscommunication

• of

• the

• work

• scope

• between

• NUNOC

• and

• the

• supplier.

• November 21st:

• A

• fiber

• break

• in

• Sundsvall

• caused

• outages

• on

• SUNET's

• core

• and

• MIUN's

• redundancy.

• November

• 12th:

• The

• link

• between

• SUNEt

• routers

• m1fre

• and

• gu-br1

• suffered

• an

• outage

• which

• caused

• loss

• of

• redundancy

• to

• GU

• as

• their

• green

• network

• connection

• was

• affected.

•  The reason

• for

• the

• outage

• was

• a

• bad

• patch

• cable

• in

• the

• supplier's

• sub-carrier's

• equipment.

• November

• 7th:

• An

• outage

• was

• noticed

• on

• the

• link

• between

• Stockholm

• and

• Narvik.

• The

• reason

• was

• a

• cut

• power

• cable

• to

• the

• site

• in

• Abisko.

Scheduled:

• November

• 26th:

•  A faulty card (1-B-3)

• has

• been

• replaced

• on

• transmission

• equipment

• located

• at

• KTH.

• November 26th:

• A

• planned

• fiber

• maintenance

• between

• Växjö

• and

• Älmhult

• was

• performed

• to

• resolve

• a

• degraded

• signal

• issue.

• November

• 22nd:

• Planned

• maintenance

• was

• performed

• on

• the

• South

• Green

• network

• between

• Linköping

• and

• Sundhultsbrunn

• in

• order

• to

• troubleshoot

• signal

• quality

• issues.

• November

• 20th:

• Planned

• maintenance

• was

• performed

• to

• replace

• the

• patching

• for

• the

• SP

• red

• link

• in

• SUNET's

• PoP

• in

• Borås.

• November

• 8th:

• A

• planned

• maintenance

• to

• replace

• a

• controller

• card

• on

• one

• of

• our

• transmission

• equipment

• in

• Stockholm

• was

• performed

• successfully.

• November

• 6th:

•  A NORDUnet router was upgraded to a newer software version, affecting OSO's connection to JIVE.
• November 4th: Carrier performed fiber maintenance in Göteborg.