UCLA IT Services — Network Services will be performing maintenance to Campus DNS / DHCP Infoblox Grid servers on Sunday, April 11, 12:00 a.m. - 8:59 a.m.. Three of the campus Infoblox servers will be replaced with new hardware. No DNS/DHCP service interruptions are expected as the redundant servers will be replaced one at a time.
Recent Scheduled Maintenance News Articles
The IT Services Infrastructure Support Team will be implementing an UCS firmware upgrade, on March 22, 2021, from 12:00 a.m. to 5:59 a.m. There should be no impact to the availability of all services.
UCLA IT Services — Network Services will be performing maintenance to Campus DNS/DHCP Infoblox Grid servers on Sunday, March 7, 2021, from 12:00 a.m. - 8:59 a.m. The campus Infoblox servers will be upgraded from version 8.2.9 to 8.4.8.
UCLA IT Services — Network Services will be performing maintenance to Campus DNS / DHCP Infoblox Grid servers on Sunday, February 7, from 12:00 a.m. to 8:59 a.m. The campus Infoblox servers will be upgraded from v.8.1.6 to v.8.2.9. No DNS / DHCP service interruptions are expected as the redundant servers will be upgraded one at a time.
Network Services will be migrating Vlan79 (128.97.98.128/26 network) configured in the Data Center environment to the new infrastructure on February 4th, 2021 from 7:00 p.m. to 11:59 p.m. This will impact ITS LDAP servers that reside in this network and services on these hosts will be intermittently available during the migration.
UCLA IT Services — Network Services will be performing maintenance to Campus DNS / DHCP Infoblox Grid servers on Sunday, February 7, 2021 from 12:00 a.m. - 8:59 a.m. The campus Infoblox servers will be upgraded from v.8.1.6 to v.8.2.9. No DNS / DHCP service interruptions are expected as the redundant servers will be upgraded one at a time.
Network Services will be migrating Vlan79 (128.97.98.128/26 network) configured in the Data Center environment to the new infrastructure on February 4, 2021 from 7:00 p.m. to 11:59 p.m. This will impact ITS LDAP servers that reside in this network and services on these hosts will be intermittently available during the migration. See the list of LDAP servers affected by this migration.
Network Services will be performing code upgrades for department specific network devices across campus to address critical Cisco security vulnerabilities. Network coordinators for the individual buildings where the maintenance will occur have been notified with specific times for their building's maintenance. The maintenance will be happening from December 21 to December 23 between 6:00 a.m. and 6:00 p.m.
Network Services will be performing one-to-one replacement on faulty hardware for the Campus L2TP VPN on Monday, December 21, 2020 from 05:00 a.m. to 06:59 a.m.
On Saturday, Dec. 19, from 1:00 a.m. to 6:59 a.m., the Network Services team will begin a phased approach to replacing a core router chassis at Anderson. This maintenance is essential, as we are currently running at reduced capacity and a complete failure could result in extended campus network outage.
On Thursday, December 3rd, from 12:00 a.m. to 2:00 a.m., UCLA IT Services — Network Services will be helping the UCLA provider company CENIC perform emergency maintenance to replace a failed line card on one of the CENIC devices on campus.
UCLA IT Services -- Network Services will be upgrading the IOS on two service routers at CSB1 on Monday, Dec. 21 2020 from 5 a.m. to 8 a.m. The IOS is being upgraded and configured to support the ssh protocol. ITS Voice Services, Security, and Systems Operations utilize both service routers at CSB1. These systems and services have redundancy, so no outages are anticipated during the maintenance window, with the exception of the FireEye appliance.
UCLA IT Services -- Network Services will be performing maintenance to the Campus VPN servers on Monday, November 9, 2020 from 12:01 a.m. to 2:00 a.m. The AnyConnect software on the Campus VPN servers will be upgraded to version 4.9.03049 (Windows) or 4.9.03047 (Linux/Mac) and all clients will automatically auto-update after connecting. Campus VPN service is not expected to be interrupted during the maintenance window.
Network Services will be migrating a Data Center storage and virtualization network to a new infrastructure on Sunday, November 1, 2020 from 4:30 a.m. to 8:30 a.m. This will impact all servers that are configured to use Isilon storage. Services on these hosts will be intermittently available during the migration.
Network Services will be migrating a Data Center storage and virtualization network to a new infrastructure on Sunday, October 11, 2020 from 4:30 a.m. to 8:30 a.m. This will impact all servers that are configured to use Isilon storage. Services on these hosts will be intermittently available during the migration.
UCLA IT Services — Network Services will be performing maintenance to Campus Backbone border routers on Saturday, October 10th, 2020, from 7:00 a.m. to 2:00 p.m. Campus border routers' code will be upgraded and BGP connections to Internet2 will be configured. No network interruption is expected during the maintenance window as traffic will be routed away from each connection prior to changes.
On Wednesday, September 30, 2020 at 9:00 p.m., Zoom will be completing a rollback to a software update that was incorrectly applied earlier today. Meetings/webinars that are in progress may end and need to be restarted.
