Location : Paris - core router bb1.dc3
We are planning to upgrade the router firmware to the latest recommended by Cisco. The maintenance will be done in 2 steps to prepare the upgrade and then to apply.
Impact : This might lead to rerouting / latencies during the maintenance window. All Paris DCs are impacted.
Preparation : 30-Jul-2019 0400Z (0600LT) - duration 2h
Full upgrade : 31-Jul-2019 0100Z (0300LT) - duration 6h
UPDATE: Maintenance was planned for the 23th and 24th, due to heatwave, we are changing the dates for the 30th and 31st.
Start : 30-Jul-2019 0400Z 0600LT
We are now starting the preparations. bb1.dc3 will now be isolated from our network.
Start : 30-Jul-2019 0600Z 0800LT
We are now done for today, our tests were good and we are ready for tomorrow's firmware update.
Start : 31-Jul-2019 0100Z 0300LT
We have started the upgrade process
Start : 31-Jul-2019 0100Z 0400LT
We have lost some incoming traffic towards AMS datacenter (a9k-pni-1.ams1) for around 10min. Issue has been fixed.
Start : 31-Jul-2019 0345Z 0545LT
We noticed DHCP issues (Dedibox only) in AMS datacenter. It is now fixed
Start : 31-Jul-2019 0515Z 0715LT
Half of our outgoing traffic NL-IX was dropped during about 35min. This is now fixed
Start : 31-Jul-2019 0645Z 0845LT
Upgrade is now done