Lab Network Outage – Bull Run Hall rm 147(lab)

December 31, 2018 12:00 a.m.
Outage category: 
VoIP phone service, Wired Network, Wireless Network
Location: 
Prince William Campus, Bull Run Hall, First floor(s), room 147
Status: 
Closed
Resolved alert: 
12/10/2018 10:00 am

Room 147 in Bull Run Hall at Sci-Tech Campus experienced a network outage.

Initial symptoms: 

Loss of wired and wireless connectivity within Bull Run Hall Room 147.Faculty and Students using Bull Run Hall Room 147 were without internet connectivity for the duration of the outage.

Duration: 
12/10/2018 9:45 am - 12/10/2018 10:00 am
Impact to Mason: 

Faculty and Students using Bull Run Hall Room 147 were without internet connectivity for the duration of the outage.

Affected Services: 
Wireless (Wi-Fi) Network, Telephone Services
Other Affected Services: 
Wired Network
ROOT CAUSE ANALYSIS
Cause: 

Spike in DHCP packets were sent to switch.

Resolution: 

Increased limit rate on uplink. We have this configure on all Cisco switches but not the Enterasys switches.

Prevention: 

Implement the same configuration on Enterasys switches.

STATISTICS
Service Team: 
NA