Outage Category
VUMC IT to change out Juniper VUH-SRX (Guardian) Cluster
Dec. 5, 2016—On Saturday, Dec. 10, beginning at 5:00 a.m., VUMC IT will implement change C0074001 https://pegasus.mc.vanderbilt.edu/ViewChange.aspx?id=C0074001; changing out the legacy Juniper VUH-SRX (Guardian) firewall. This change will cause a five-minute service interruption between 6:30 a.m. and 6:35 a.m. to all applications and databases that reside within the Juniper environment while it is switched out. During the...
VUIT Scheduled Maintenance: VUIT HOSTING
Dec. 1, 2016—On Sunday, Dec. 4, from 12 to 6 a.m., Vanderbilt IT will apply December’s monthly Windows server security updates, as well as any previous monthly patches still required. These updates will help maintain security and software for core Microsoft Windows operating systems. All non-redundant services will be impacted by a server reboot after patch...
VUMC IT to perform VDC Router Lifecycle
Oct. 26, 2016— On Friday, Nov. 11, between 11:35 p.m. and 5:30 a.m., VUMC IT will perform change COO68671. This change covers the work required to migrate all layer three and layer two components from the legacy Cisco Catalyst 6509 and Catalyst 6513 routers to the new Cisco Nexus 7710 routers. There will be a rolling outage...
Ping single sign-on outage causing log-in issues with some cloud applications
Oct. 12, 2016—On Wednesday, Oct. 12, Vanderbilt University users have experienced issues logging in to some cloud services (such as Box, Concur, Gartner, etc.) because Ping’s single sign-on feature has been down. Vanderbilt IT restored log-in functionality around noon and is working with vendors to fully correct the problem. Users may continue to experience slowness while logging...
All hosted Virtual Machines migrate to a new vSwitch
Oct. 11, 2016—Beginning Thursday, Oct. 13, at 8 p.m. and ending Friday, Oct. 14, at 8 a.m., Vanderbilt IT will migrate all VUIT virtual machines (VMs) from the existing vSwitch to a newly provisioned vSwitch that supports sFlow. This migration is part of the transition to FireScope, the new discovery/monitoring tool that will be deployed as part...
Legacy Infoblox DNS Shutdown
Oct. 10, 2016—On Tuesday, Oct. 11, at 9:00 a.m. the VUMC IT Linux Team will implement approved Change 73066. The Medical Center’s legacy DNS servers are no longer supported and will be shut down by the Linux team. The legacy servers are 160.129.6.22, 160.129.233.40, and 160.129.48.90. Any legacy systems that have not yet been moved over to...
VUIT Scheduled Maintenance: Sprint Wireless
Sep. 19, 2016—The university’s Sprint cellular system will be down on Thursday, Sept. 22, for a short outage at approximately 7 p.m. and again on Friday, Sept. 23, at 5 a.m. During this time, Mann Wireless will swap out the existing distributed antenna system (DAS) radio heads with more advanced units. Upon removing and replacing the radio...
VUIT Scheduled Maintenance – Monthly Microsoft Patching for September – VUIT Hosting Services Application Servers
Sep. 16, 2016—On Sunday, Sept. 18, between 12:00 a.m. and 6 a.m., Vanderbilt IT will apply September’s monthly Windows Server security updates, as well as any previous monthly patches still required. These updates are to help maintain security and software for core Microsoft Window operating systems. All non-redundant services will be impacted by a server reboot after...
VUMC IT to conduct legacy DNS shutdown
Sep. 12, 2016—DNS users, Beginning on Sept. 15, VUMC IT will begin shutting down legacy DNS servers in order to shift all users to new DNS servers. Due to the number of users still operating on old servers, the inability to determine which users are working on those servers and the possibility that critical systems could...
VUIT Scheduled Maintenance to Install Windows OS patches – VUIT Hosting services Application servers
Jul. 14, 2016—Vanderbilt IT will apply monthly Windows server security updates, as well as any prior month patches that are still required by VUIT Hosting Service’s application servers, on Monday, July 18, between midnight and 6 a.m. These updates will maintain security and software for core Microsoft Window operating systems. All non-redundant services will be impacted by...
Increase resources on Print Server PRT2 and upgrade Networker to latest version 8.2
Jul. 14, 2016—Beginning Sunday, July 17, at 9 p.m., Vanderbilt IT will implement a change to increase print queues and resources in order to handle a greater work load and to resolve performance issues with the print server. The process will take approximately 90 minutes. Following this change, VUIT will upgrade the server backup agent from version...
VUIT Scheduled Maintenance: Reboot Secondary Perimeter Firewall at Bryan
Jun. 28, 2016—Vanderbilt IT will reboot the Perimeter firewall at Bryan and then failover the VPN and perimeter firewalls to the secondary firewall from 6 to 7 a.m. Wednesday, June 29 to troubleshoot issues with connectivity to internal resources from the Vanderbilt network. A failover to the secondary firewall will cause a degraded state for internal VPN...
Phishing email regarding salary raise targets VUMC employees
Jun. 18, 2016—VUMC IT Security Operations has detected a targeted attack against Medical Center users. The phisher sent an email today to VUMC employees with information regarding salary increases. Below is an example of the fraudulent email that many users received: Hello, This serves as a last reminder regarding a 18.75% salary raise on your paycheck starting...
VUIT Scheduled Maintenance to upgrade Enterprise SSL VPN cluster to 8.2R1.
May. 25, 2016—Vanderbilt IT will upgrade the Enterprise SSL VPN environment to 8.2R1 on Friday, May 27, at 5 a.m. and ending Friday, May 27, at 5:30 a.m. This OS version resolves multiple security vulnerabilities that have been identified. Service fixes have also been released with this code version. This change is not expected to cause noticeable...
VUIT Scheduled Maintenance to upgrade Cisco IOS
May. 19, 2016—Vanderbilt IT will upgrade Cisco IOS on Monday, May 23, from 5:45 to 6:30 a.m. This upgrade will fix the SSH lockout bug. During this change, three switches (GLB-3750-151.8, GLB-3750X-151.7 and GLB-3750X-151.9) will be rebooted. Access points, building controllers, cameras and phones will be offline while this occurs. To decrease customer impact, VUIT will reboot...