CS Network Status

This page lists both active and recently closed CS network alerts. If you would like more information about an alert, or if you have an issue you would like to report, send email to helpdesk [-at-] cs [dot] umd [dot] edu or call extension 52720.

Current Active Alerts

There are no current active alerts. Network operations are normal.

Have an issue that you need to report? Send email to helpdesk [-at-] cs [dot] umd [dot] edu.

Have a question about department IT services? Check out our FAQ.

Past Alerts

Updated Issue Summary Impact
01.07.2020 09:28 Some services are unavailable due to Virtualization Cluster Issues.

Some services running on virtual machines, including some Junkfood cluster machines, talks.cs, officehours.cs, and personal VMs, are not available due to this issue. We have escalated the problem with our vendor. We do not currently have an estimated time that services will be restored.

If your VM is running, we expect it to continue running, but we recommend that you do not restart the system, as it might not be able to reboot.

 		Heavy
11.29.2019 16:09 Scheduled Network Maintenance - Thursday 11/28, 7pm to midnight.

Check department email for details.

 		Moderate
11.27.2019 12:09 GitLab will be unavailable for a few minutes for a security update Moderate
08.01.2019 00:05 CS Grades Server Maintenance Window, July 31, 10 PM to 12 AM

The Grades Server will unavailable during this time. IF you have issues after the maintenance window ends, try clearing your DNS cache.

 		Light
07.16.2019 15:08 File Server and IMAP Maintenance Window, Thur. 6/20 8pm-12am

Thursday, June 20th 2019, 8pm-12am

Impacted services:

  • CSD web sites
  • Linux User's "junkfood" home directories and other NFS mounted directories
  • Windows users with "Samba" mounted directories
  • CSD internal (NOT CSD G-Suite) mail server and webmail outage

 

 		Moderate
06.20.2019 14:10 Intermittent NAT issues

We are aware of issues reaching resources through NAT. Admins are investigating.

 		Heavy
06.19.2019 20:55 Network Maintenance, June 19, 8pm-12am

This outage has been scheduled to apply in important patch to our firewalls and NAT. While our firewall and NAT systems are redundant, users can expect momentary disruptions in internet and campus connectivity - including outbound connections from the Iribe Center and AV Williams datacenter, as well as temporary connection loss from off-campus to CSD systems. Connections between the Iribe Center and AV Williams will not be affected.

 		Light
03.14.2019 22:18 Unscheduled network maintenance beginning at 8am. No downtime is expected.

Network engineers will be activating connections to the Iribe Center starting at 8 AM. We do not expect this to cause an outage, but we will be monitoring for any unexepected issues.

 		None
03.13.2019 23:10 Network Maintenance Planned - Tuesday, March 12, 7PM to Midnight

During this time we will be replacing a failing router. All connections are redundant and should remain up, but some packet loss or momentary connection drops are expected.

 		Moderate
03.08.2019 11:15 Major UMD network outage impacting CSD network - no estimated resolution time. Severe