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IRIS

Instructional & Research Information Systems

EECS Mailing Lists, IRIS applications maintenance, May 9, 6pm

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The Department’s Mailing List server lists.eecs.berkeley.edu and the IRIS application server iris2.eecs.berkeley.edu will be undergoing maintenance tonight, Tuesday May 9th, from 6pm to 7pm. The mailing lists and the IRIS Account & Network registration applications will be unavailable during this time. Any mail sent to lists.eecs.berkeley.edu during this time will be held and delivered after maintenance is complete.

Please direct any questions to help@eecs.berkeley.edu.

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Soda Hall 3F Network Maintenance, Sat. 5/13

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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

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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

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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

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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.

Announcing Retirement of the EECS-PSK Wireless Network

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EECS-PSK Broadcast Ceases May 19th

On Friday, May 19th at 6:30AM, we will cease public broadcast of the EECS-PSK wireless network. The network will continue to exist and devices already configured to use it will be able to continue to do so throughout the Summer semester. However, it will not be available as a visible option to new devices which are not currently configured to connect to EECS-PSK. In other words, EECS-PSK will become a hidden SSID.

We recommend users of EECS-PSK immediately begin transitioning to either eduroam or Berkeley-IoT. eduroam is appropriate for devices such as laptops, desktops, phones and tablets; whereas Berkeley-IoT is appropriate for simpler devices which are not capable of authenticating to eduroam (i.e. devices which cannot perform 802.1X authentication).

Information about how to connect to eduroam and Berkeley-IoT is available at https://technology.berkeley.edu/wi-fi.

Please read the full post below for more information, including the final shutdown date for EECS-PSK. Contact us at help@eecs.berkeley.edu if you have any questions or concerns.

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Sporadic Windows Authentication Errors

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Since Thursday, March 16, we have received some reports of Windows authentication errors, usually experienced during login to Windows after a fresh reboot or at the lock screen. A common error indicated “The trust relationship between this workstation and the primary domain failed.” Temporarily disabling the network, when possible, allowed one to login as normal (using cached credentials).

We found some Active Directory replication issues that may be at fault, and are working to rebuild one of our domain controllers. If you encountered the above error after 3pm today, March 21, please feel free to notify help@eecs with any specifics.

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