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
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
11.24.2022 12:42 cPanel Shared Hosting Maintenance Windows- Nov 11, 5:00 PM

We are performing maintenance on our cPanel Shared Hosting platform.  A short outage can be expected while the server reboots.

 		Light
11.24.2022 12:42 Main Load Balancer SSL Certificates Updated - 10/2

The new certificates are ECC instead of RSA, but this should not affect any supported web browser. Contact the helpdesk if you have issues accessing department services due to SSL certificate issues.

 		Light
10.25.2022 18:20 Gitlab will be undergoing software updates on Tuesday, 10/25

Gitlab will be undergoing software updates on Tuesday, 10/25, between 5 PM and 7 PM EDT and may be unavailable for short periods during that time.

 		Light
10.23.2022 17:41 Network Maintenance - Expected Connectivity/Packet loss

During the maintenance period, users on the CS network can expect a minimum of two network outages lasting no longer than 2 minutes during the maintenance window. All long-running connections in/out of the datacenter may be dropped. Other intermittent network disruptions of a short duration and packet loss are possible throughout the maintenance window.

 		Light
10.23.2022 17:08 Network Maintenance - Expected Connectivity/Packet loss

During the maintenance period, users on the CS network can expect a minimum of two network outages lasting no longer than 2 minutes during the maintenance window. All long-running connections in/out of the datacenter may be dropped. Other intermittent network disruptions of a short duration and packet loss are possible throughout the maintenance window.

 		Light
10.02.2022 23:02 Storage Failover Testing - 10/2

On Sunday, Oct 2nd we will perform a failover test of our network attached storage system during the maintenance period of 2:30pm - 4:00pm. See details in the email sent on September, 22.

 		Light
10.02.2022 23:01 Old 172.16/12 (172.26,etc) addresses will no longer be routable starting Sunday.

This was previously scheduled for August 15. Old DNS records pointing to these addresses will also be removed. If you need a new IP address, please contact the helpdesk.

 		Light