Information Technology Services

Network Connectivity Issue – All Campuses

Outage category: Applications, VoIP phone service, VPN, Wired Network, Wireless Network

Location: All locations

Status: Open

Resolved Alert:

Initial Symptoms

Customers were timing out trying to reach Mason applications and sites.

Root Cause Analysis

Cause

The cause of the service outage was due to a Multicast router when restarted, this caused the Data Center Router to lose its links, building its routes.

Resolution

Multicast Router was shut down.

Prevention

Mason Engineers and Cisco TAC will be setting up a maintenance time day to figure out the root cause.  We do not want to do testing during production work days. Engineers will be monitoring and working with Cisco support, on why Multicast router affect the Data Center Router to crash, and to find out root cause?