VPN Connectivity Issue

Outage category: 
VPN
Location: 
All Campuses
Status: 
Open
Resolved alert: 
03/16/2020 12:17 pm

Customers had issues connecting with the VPN client from off campus.

Initial symptoms: 

Clients noticed VPN connections using GENERAL tunnel were having issues.

Duration: 
03/16/2020 10:37 am - 03/16/2020 12:17 pm
Impact to Mason: 

Customers trying to make a new connection to the General VPN were not able to connect.

Affected Services: 
Virtual Private Network (VPN)
ROOT CAUSE ANALYSIS
Cause: 

DHCP configuration mismatch for the General VPN. The correct subnet mask for the General VPN is /19 not /24. The tunnel was oversubscribed causing new connections to drop.

Resolution: 

The subnet mask on the VPN tunnel was corrected

Prevention: 

Verification of changes made to VPN in future.

STATISTICS
Service Team: 
Network Security and Engineering