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

1 current active alerts

Updated Issue Summary Impact
06.11.2026 18:02 Firewall upgrade on Sunday, June 14, from 9:00 am to 11:00 am.

We are going to upgrade and reboot our main firewall in AVW datacenter between 9:00 a.m. and 11:00 a.m. on June 14, 2026.
All web services, junkfood servers, and servers in A.V Williams building might be disconnected 2 times for at most 2 minutes.
 

Moderate

Past Alerts

Updated Issue Summary Impact
05.20.2016 14:27 Network sluggishness

We are experiencing slow connection speeds on the CS Network. While we are investigating the cause of this issue, users may experience long wait times while connecting to the internet or other machines within the department.

Moderate
05.10.2016 11:43 CS Login problems - mail, junkfood

CS systems that require CS LDAP for authentication are currently unable to connect. This impacts access to mail and ssh onto supported CS systems. We are working to resolve the problem.

Moderate
05.10.2016 11:43 CS Personal Webpages Inaccessible

Personal webspaces hosted on junkfood are currently unable to be accessed online. Class webpages not hosted within users' personal web directories are unaffected. We are actively working to restore access to these webpages.

Moderate
04.06.2016 09:07 Email and Authentication Problems For CS Users

A number of CS users are currently experiencing email and authentication issues. We are working on resolving the problem.

Heavy
03.23.2016 12:54 We have made some unscheduled changes to the network to fix a stability problem. Light
03.10.2016 21:29 Network Maintenance Thurs Mar. 10th from 7:30pm - 9:30pm.

Tomorrow evening, Thurs. Mar. 10th from 7:30pm-9:30pm we will again perform network maintenance. During this period, there will be brief disruptions of the network in the building, including mail, web, and authentication.

Moderate
03.09.2016 10:08 Switch Maintenance Thurs 3/3. Disruption possible especially for 31xx/32xx rooms

On Thurs. evening (Mar 3) from 7:30pm - 9:30pm we will perform
maintenance on the switches on the 3rd floor. If your CS room number is
31xx or 32xx, you will notice some disruption of service.

Moderate
03.09.2016 10:05 University Systems Issues

The University is currently experiencing some problems with online applications. Access to several campus systems may be intermittently unavailable. As this is not within the department, we have no timeframe of expected recovery.

Moderate
02.28.2016 17:40 Network Testing on Sun 2/28. Brief service disruptions possible

On Sunday afternoon (Feb. 28) from 1:30pm - 2:30pm we will perform testing of our network. There may be brief disruptions of service during this period.

Light
02.25.2016 23:15 Switch Maintenance on Thurs 2/25. Random network outages possible

On Thurs. evening (Feb. 25) from 7:00pm - 9:00pm we will perform maintenance on all of our switches. You may experience random outages of
up to 1 minute during this period.

Light