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
02.01.2023 10:26 Gitlab Security Update still in progress

The Gitlab security update scheduled for last night was not completed on time. Gitlab may be unavaiable for a minute while the upgrade completes.

 		Light
01.22.2023 14:06 Failover testing completed - contact the helpdesk if you have any network issues None
01.22.2023 14:05 Network Failover Testing - Sunday, Jan 22, 1-8PM

Likely minimal packet loss, possiblility of up to 2.5 minute total outage for all department<->campus traffic (IRB<->datacenter traffic should not be affected).

 		Light
12.31.2022 22:03 Identity Management Servers Maintenance - Monday, December 26, 10am - 2pm

Upgrades will be performed on additional identity management servers (CS authentication, LDAP, DNS). Because of the redundancy, we expect minimal impact to our user community.

 		Moderate
12.31.2022 22:03 Web load balancer upgrades - Tuesday, December 27, 6:30pm - midnight

Our web load balancers will be updated. Because of redundancy, we expect minimal impact to our user community. SSH connections to GitLab may fail momentarily.

 		Light
12.31.2022 22:03 Network Maintenance Completed - More work to follow

The major work scheduled for December 25 has been completed. We are aware that UDP traceroute may not complete at this time. Watch for additional announcements.

 		Light
12.26.2022 00:14 Identity Management Servers Maintenance - Saturday, December 24, 7-9pm

Upgrades will be performed on one of several identity management servers (CS authentication, LDAP, DNS). Because of the redundancy, we expect minimal impact to our user community.

 		Light
12.26.2022 00:12 Core network upgrade - Sunday, December 25, 1 PM to midnight

Network outage of up to 20 minutes projected in early afternoon.

Other intermittent network disruptions of a short duration and packet loss are possible for all traffic through the CS datacenter during the full maintenance window.

Users in IRB may experience packet loss but should not experience a network outage to the internet.

 		Heavy
12.22.2022 11:57 FTP Service Discontinued

The CS FTP service has been discontinued. The content previously accessible at ftp://ftp.cs.umd.edu is still accessible at https://ftp.cs.umd.edu.

 		Light
12.07.2022 14:50 Windows/Samba File Shares - Server IP Addresses Changed

The IP addresses for all Windows/Samba file servers have changed. If you can not access shares/samba, please clear your DNS cache and/or contact the helpdesk.

 		Light