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Instructional & Research Information Systems

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Wired Networking

Wired network service

Firewall Migrations for Soda and Cory Server Networks, 3/14 6AM

March 10, 2022 by Derek Calderon

At 6AM on Monday, March 14, we will be migrating these wired networks to our new border firewall:

128.32.244.0/25 (165 Cory restricted network)
128.32.244.128/25 (290 Soda restricted network)
128.32.128.0/24 (290 Soda virtual machines)

There will be a brief interruption to these networks as they are migrated. This will also affect various IRIS services such as hosted web sites and winterm. After the migration, we encourage system administrators to test that traffic across the firewall is behaving as expected.

Please contact us at help@eecs.berkeley.edu with any questions or concerns.

[Read more…] about Firewall Migrations for Soda and Cory Server Networks, 3/14 6AM

Filed Under: Resolved Incidents Services: Wired Networking

Jacobs and HMMB Firewall Migrations, 3/7 6AM

March 1, 2022 by Derek Calderon

At 6AM on Monday, March 7, we will be migrating these wired networks to our new border firewall:

169.229.62.0/24 (Jacobs Hall)
169.229.63.0/25 (BiD Lab in HMMB)

There will be a brief interruption to these networks as they are migrated. After the migration, we encourage system administrators to test that traffic across the firewall is behaving as expected.

Please contact us at help@eecs.berkeley.edu with any questions or concerns.

[Read more…] about Jacobs and HMMB Firewall Migrations, 3/7 6AM

Filed Under: Resolved Incidents Services: Wired Networking

EECS Network Maintenance, 2/25 6AM

February 24, 2022 by Derek Calderon

Tomorrow morning, 2/25 at 6AM, we will be rebooting the Soda Hall core router in order to apply a configuration change which will resolve an issue currently affecting a small portion of network traffic. As a result, we expect most EECS network paths will be unavailable for up to 15 minutes beginning at 6AM. Some systems or services (e.g. nfs) may have connectivity issues and may need to be restarted or rebooted after this maintenance.

[Read more…] about EECS Network Maintenance, 2/25 6AM

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Issues with RFC1918 Networks

February 22, 2022 by Derek Calderon

There is currently no DHCP or DNS service on the RFC1918 networks (10.x.x.x) as a result of this morning’s maintenance. This is primarily affecting printers in Soda, Cory and Sutardja Dai Halls. We are working on a fix and plan to deploy it this evening.

[Read more…] about Issues with RFC1918 Networks

Filed Under: Resolved Incidents Services: Wired Networking

Cory 2F Network Outage, 2/2/22

February 22, 2022 by Derek Calderon

Cory Hall 2nd Floor networks went offline this afternoon, 2/22, at 12:51PM due to a malfunctioning switch. The switch was restored remotely and wired networking returned at 1:13PM. Wireless networking has not yet fully recovered and we are working on this.

[Read more…] about Cory 2F Network Outage, 2/2/22

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Firewall Migrations for Many Networks, 2/22 6AM

February 15, 2022 by Derek Calderon

At 6AM on Tuesday, February 22 at 6AM, we will be migrating a large number of networks to our new border firewall. This will affect the majority of wired networks in Soda, Cory, and Sutardja Dai Halls. EECS-Secure and EECS-PSK in all locations except BWRC will also be affected.

There will be a brief interruption to each of these networks as they are migrated. In addition, the ipv6 subnets used by EECS-Secure and EECS-PSK clients will change. You can read the full post below for details.

We encourage system administrators to test their systems on Tuesday morning after this maintenance is complete, to ensure their applications are being properly handled by the new firewall.

[Read more…] about Firewall Migrations for Many Networks, 2/22 6AM

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

BWRC Network Outage, 2/7

February 7, 2022 by Derek Calderon

BWRC networks are offline since around 13:10 today due to an apparently external cause. Staff are going onsite to investigate.

Update: The issue self-resolved around 13:48, but we believe this to have been an outage of the AT&T circuit which currently serves BWRC. We have plans to move this link to a more stable service later this week.

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Network Border Maintenance, 2/7 6AM

February 2, 2022 by Derek Calderon

At 6AM on Monday, Feb. 7, we will be disabling our old/legacy uplinks to the campus network. Our new uplinks were finalized last year and traffic has been using both pairs of links since then. As a result, we expect no impact from this maintenance.

Please contact help@eecs.berkeley.edu if you have any questions or concerns.

[Read more…] about Network Border Maintenance, 2/7 6AM

Filed Under: Resolved Incidents Services: Wired Networking

Cancelled: Soda, Cory, and Wi-Fi Firewall Migrations, 2/7 6AM

January 31, 2022 by Derek Calderon

Update 2/2: We are postponing this work due to some conflicts that have arisen. There will be a new post for the new maintenance window, but we are currently targeting 2/14.


At 6AM on Monday, February 7th, we will be migrating a number of networks to our new border firewall. This will affect many wired networks in Soda and Cory Halls, as well as EECS wireless in all locations except BWRC.

There will be a brief interruption to each of these networks as they are migrated. In addition, the ipv6 subnets used by EECS-Secure and EECS-PSK clients will change. You can read the full post below for details.

[Read more…] about Cancelled: Soda, Cory, and Wi-Fi Firewall Migrations, 2/7 6AM

Filed Under: Resolved Incidents Services: Wired Networking, Wireless Networking

Cory Hall Firewall Migrations, 1/31 6AM

January 24, 2022 by Derek Calderon

At 6AM on Monday, January 31, we will be migrating these networks to our new border firewall:

128.32.48.0/24 (Cory Hall 1st floor wired)
128.32.134.0/24 (Cory Hall 1st floor Mezzanine wired)
169.229.34.0/24 (Cory Hall 2nd floor wired)
128.32.171.0/24 (Cory Hall areas 545 and 550A)

There will be a brief interruption to these networks as they are migrated. After the migration, we encourage system administrators to test that traffic across the firewall is behaving as expected.

Please contact us at help@eecs.berkeley.edu with any questions or concerns.

[Read more…] about Cory Hall Firewall Migrations, 1/31 6AM

Filed Under: Resolved Incidents Services: Wired Networking

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IRIS Service Status

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We have 0 Active Incidents, and 0 Scheduled Maintenances noted.

IST Service Status

Outages to campus services are listed at berkeley.statusdashboard.com.

Recent Highlights

Campus Wi-Fi Support for Fall Start

August 17, 2022 by Lars Rohrbach

Announcing Retirement of the EECS-Secure Wireless Network

April 21, 2022 by Derek Calderon

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