All Locations - Global Network Outage (INC114)

Symptoms:

Networked devices could not connect to the network (internal or external).

Observations:

• Initial incident was created and troubleshooting began
• IT discovered that DHCP leases were not renewing to local devices at ACM and ACL
• IT reconfigured the local Silver-Peak appliance to reset the DHCP leases
• Silver-Peak was restarted and devices began to come back online‌

Resolution:

IT reset the IP helper addresses in the Silver-Peak controller that pointed devices to the DHCP server. Technical steps: https://alene.itglue.com/3221095/docs/5451199

Root Cause Analysis:

Preventative measures are being handled by an outside project that will reduce the DHCP traffic going to the Silver-Peak.