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.

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.