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
07.28.2022 19:44 Rescheduled: July 28, 6-8 PM: Activating new 100G uplinks, no impact expected.

Further maintenance windows with short outages will be announced later this summer to complete the migration/upgrade.

 		None
07.21.2022 09:53 Postponed: July 21, 6-8 PM: Activating new 100G uplinks, no impact expected.

Further maintenance windows with short outages will be announced later this summer to complete the migration/upgrade.

 		None
07.03.2022 16:20 CSD Network Maintenance Sunday 7/3 - Packet loss for UMD and Internet traffic

On Sunday, July 3, between 2 PM and 3 PM, the CS Department will be upgrading network hardware. During the maintenance period, users on the CS network can expect a minimum of two network outages lasting no longer than 2.5 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.

 		Moderate
06.26.2022 17:07 CSD Network Maintenance Sunday 6/26 - Completed - Outgoing NAT IPs have changed Light
06.26.2022 17:06 CSD Network Maintenance Sunday 6/26 - Packet loss for outbound IRB traffic

On Sunday, June 26, between 2 PM and 5 PM, the CS Department will be making changes to outgoing NAT which could affect connections from IRB to off-campus network resources.

 		Moderate
06.26.2022 17:05 DIT Network Maintenance Saturday 6/25 - wifi/phones outage in IRB/CSIC/AVW

DIT is upgrading UMD building connections to new equipment. There will be a scheduled outage for each campus building when it will lose network connectivity for 15-20 minutes. During this time, Wi-Fi, wired phones, and emergency/PERT phones will be unavailable. This will affect AVW, CSIC, and IRB on Saturday, June 26.

More details on the DIT website.

 		Light
06.24.2022 11:22 Grades server is being moved to a new IP

If you have  trouble accessing the Grades server, you may need to clear your DNS cache.

 		Light
03.27.2022 19:47 Network Maintenance - Expected Connectivity/Packet loss

During this period we will restart the server running firewall and NAT as a "best practice" following security updates.

 		Light
03.22.2022 17:09 MariaDB server migration

We are migrating to a new primary MySQL server. Website access, DHCP, and new VPN connections will be affected during the migration.

 		Moderate
03.20.2022 12:43 Grades Server unavailable for short periods

We are investiagating a hardware issue with one of the servers that runs Grades. You may see short periods when the service is not responding.

 		Light