Intermittent Network Outage

September 10, 2021 8:20 a.m.
Outage category: 
Wired Network, Wireless Network, VPN
Location: 
All Campuses
Status: 
Closed
Resolved alert: 
09/09/2021 2:59 pm

Users experienced intermittent connectivity issues.

Initial symptoms: 

Network Engineers noticed issues using the VPN, while working on the Firewall with Vendors directions.

Duration: 
09/09/2021 2:48 pm - 09/09/2021 2:59 pm
Impact to Mason: 

Users may have experienced intermittent outages, depending on what services they were using at the time the issue occurred.

Affected Services: 
Network Access
ROOT CAUSE ANALYSIS
Cause: 

Prepping the new firewall for the upgrade on the Sept 26. Configuring a port Channel in the DR New Firewall, caused a loop, thus causing intermittent network issues.

Resolution: 

Engineers removed the port channel removed the loop.

Prevention: 

After discussions with the vendor, better test time using after hours, or maintenance.

STATISTICS
Service Team: 
NSENG