EECS Networks were unstable from 1AM to 7:44AM due to an apparent issue on the 4th floor of Soda Hall. The 4th floor has been isolated in order to stabilize the wider network, and we are now assessing the situation in that area.
Wired Networking
Wired network service
Soda 4F Network Maintenance, Sat. Aug. 12
Between 11AM and 4PM on Saturday, August 12th, we will be performing maintenance on network switches serving the south side of Soda 4th floor. Wired and wireless networks in the Sky Computing Lab, classroom 405, conference room 411, and the 4th floor main hallway will experience a number of disruptions during this maintenance window.
Update 8/12 14:39: This maintenance is complete and all networks should be online. Please contact us at help@eecs.berkeley.edu (or @dcalderon on Sky Slack) if you notice any ongoing issues.
Cory Hall network unstable
Beginning around 11am today, July 14th, the network in Cory Hall began to exhibit some problems. At this time the network is unstable, with intermittent connectivity. Network staff are currently investigating the problem, and this article will be updated as we learn more.
Update 7/14 12:11: Networks on floors B,1,2,3,5 should now be stabilizing. 4th floor networks are still offline while we pinpoint the exact cause of the issue.
Update 7/14 12:30: We have isolated the root cause and have re-enabled networking on the 4th floor. Wired networks are online, and wireless will be back online shortly.
Cory Hall 3F-5F Network Maintenance, Sat. 6/3
Between 11AM and 4PM on Saturday, June 3rd, we will be replacing access switches which provide wired and wireless network connectivity on the 3rd through 5th floors of Cory Hall.
During this time, networks in these areas will experience various interruptions:
– wireless networks on Cory 4F and 5F
– wired networks on Cory 3F, 4F, and 5F
Update 6/3 13:40: This work has been completed. Please email us at help@eecs.berkeley.edu if you notice any network connectivity issues.
Soda Hall 3F Network Maintenance, Sat. 5/13
Between 11AM and 4PM on Saturday, May 13th, we will be replacing the access switches which provide wired and wireless network connectivity to the 3rd floor of Soda Hall.
All wired and wireless networks on the third floor, except wired networks in server room 340, will be interrupted during this time.
Update 5/13 1PM: This work has been completed. Please email us at help@eecs.berkeley.edu if you notice any network connectivity issues.
Cory 2F Wired Network Outage, 4/28
Wired networks on the Cory Hall second floor were unavailable until approximately 10:51AM this morning due to unintended behavior by the 2nd floor access switch. Connectivity has been restored and network staff will be performing non-disruptive testing this afternoon to determine the exact root cause.
Please email us at help@eecs.berkeley.edu if you continue to notice any network related issues.
Cory Hall Network Maintenance, Sat. 4/29
Between 11AM and 4PM on Saturday, April 29th, we will be replacing the access switches which provide wired and wireless network connectivity to the basement, first, second, and third floors of Cory Hall.
During this time, networks in the following areas will experience various interruptions and brief outages:
– Cory Basement: wired and wi-fi
– Cory 1F: wired and wi-fi (except for wired networks in room 165, which will not be affected)
– Cory 2F: wi-fi only
– Cory 3F: wired and wi-fi
Update 4/29 3PM: This work has been completed. Please contact us at help@eecs.berkeley.edu if you notice any network connectivity issues.
Partial Network Outage Cory 3F
We are currently investigating a partial wired network outage on the third floor of Cory Hall. Wireless networks should not be affected. Updates will be posted here when available.
Update: We identified an issue with one of the third floor switches and network connectivity has been restored. Please email us at help@eecs.berkeley.edu if you notice any continuing network issues.
Network Interruption — January 8, 2023
IRIS network staff are investigating some network interruptions that began just before 6:30pm.
Update: the cause was identified and all networks were stabilized around 8pm.
Cory Hall 2F Network Maintenance, 12/29 12-4PM
Between 12 and 4PM on Thursday, December 29th, we will be replacing the access switches which serve the second floor of Cory Hall. During this time, there will be significant disruptions to the wired and wireless networks on the second floor, the second floor mezzanine, and possibly also the Cory Hall roof.
Update 12/29 16:30: This maintenance is complete. Please email help@eecs.berkeley.edu if you notice any network issues.