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EECS Network Maintenance on Aug 4

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All network connectivity to EECS may be interrupted for brief periods on the morning of Thurs, Aug 4, 2011 from 5am – 7am while we perform a firmware upgrade on the edge router. The actual outage time is expected to be at most a few minutes within the 2 hour maintenance period we have scheduled. Any concerns or questions can be sent to networks@eecs

Resolved as of 2011-08-04 05:58:00

EECS Network Outage on June 29

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There was a 15 minute network outage that affected access to external and some internal resources that occurred while performing maintenance on network equipment. The configuration changes made during that time were rolled back and all services have been restored.

Resolved as of 2011-06-29 11:45:00

Network outage CITRIS May 31 between 4:30pm to 6:00pm

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The citris 8810 switch with Black Diamond chassis incurred an MSM failover on May 29 around 12:51PM.

It appears that the MSM failed over due to a process crash. The process that crashed was snmpmaster process. It appears that the backup MSM was not in synch with the master which would have caused an outage as the hitless failover could not take place if the backup MSM was not in synch.

I plan to take some actions to prevent this happening again around on May 31 around 4:30pm-6:00pm . Also the firmware upgrade will be applied as well. The switch may require to reboot and it should take less than 10 mins during that time you might experience the intermittent issue. The extra time is scheduled for if there is an unexpected occurrence.

Resolved as of 2011-05-31 17:10:00

EMERGENCY SCHED OUTAGE Sutardja Dai Hall

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EMERGENCY SCHED OUTAGE Sutardja Dai Hall 3/16/2011, Wednesday 5:00am – 6:00am

Equipment: sut1ds Location: Sutardja Dai Hall Date: 3/16/2011, Wednesday Start: 5:00am End: 6:00am

Description: During this network outage, core switch sut1ds will be reloaded to address dynamic memory fragmentation, which makes the IOS software unable to allocate memory for necessary processes. The reload should complete in 15 minutes, but an hour is scheduled for any problems.

During this time, the network will not be able to access. It will affect EECS wireless Airbears in EECS including Sutardja, Cory, HMMB, and also soda hall. It will affect wired connections in Sutardja Dai Hall and some area of cory hall in the gen assign classrooms.

169.229.200.120/29 Sutardja Dai, ks2 net 169.229.250.128/27 Cory, Gen Assign Classrooms 169.229.144.0/25 HMMB CITRIS net 136.152.170.0/23 EECS AirBears 136.152.176.0/23 Sutardja Dai AirBears



Resolved as of 2011-03-16 06:00:00

Scheduled Outage in Sutardja Dai Hall

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IST will reroute a fiber jumper in Sutardja Dai Hall from 6:30am to 7:00am on March 8, 2011.

During this work users on the following subnets in Sutardja Dai Hall will be without network connectivity.

eva_zone_cobalt_10.254.244.0/24 Evans-Zone-PPCS-Net_128.32.211.0/27 Evans-Zone-PPCS-Net_10.129.128.0/25 AirBears

Please direct any questions you may have regarding this announcement to IST. http://ist.berkeley.edu/support/service-desk/

Thanks.

Resolved as of 2011-03-08 07:00:00

Machine Room Power Maintenance

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We are not expecting any outages or impact to the network gear as we do have redundant power or switch services so users should not be aware of the outage. However, this notification is just in case of something unexpected. Unfortunately, we are not able to accomplish this work outside of normal business hours.

Resolved as of 2011-03-02 17:00:00