Scheduled upgrade : network backbone core replacement Saturday 29th February 2020 14:30:00


Estimated timeframe : 14:30-16:30

Actual timeframe : 14:30-16:32


Objective

Replace current core switch stack with new core switch stack

Impact

Mitigation

16:31 rolling firmware upgrade completed without downtime ; core migration complete

15:32 rolling reboot completed without downtime ; testing rolling firmware upgrade

15:22 distribution migration completed without downtime ; testing rolling reboot

15:10 reconfig completed without downtime ; testing distribution migration

14:40 test reconfiguration of old & new stacks