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Managed Firewall Upgrades Impacting Service January/February 2021

Related services: Managed Firewall


CIT would like to notify the Cornell community about upcoming scheduled maintenance on the Managed Firewall service. There will be three separate maintenance windows resulting in brief outages on January 10, 17, and February 7, 2021, as described below.

Please share this information within your college, school, or unit as appropriate. For questions, contact Eric Cronise with CIT Network Engineering at emc232@cornell.edu.

Thank you,

The CIT Network Engineering Team

Upgrade Code on All Managed Firewall Appliances

On Sunday, January 10, 2021, between 5:00am and noon, CIT Network Engineering will upgrade the Managed Firewall (MFW) infrastructure to the latest recommended version of code. During the maintenance window, most devices will be upgraded and rebooted three times, resulting in service outages of 10 minutes each. The Managed Firewalls in Geneva Campus, 570 Lexington, and Ruffian will be migrated to new hardware already running the new code. The CIT Data Center Managed Firewalls will also reboot three times, but they are in an HA pair, providing a minimum amount of downtime.

Service outages will occur at the following locations:

  • Geneva Campus, 570 Lexington, and Ruffian: Brief outage when migrating to new hardware.
  • CIT Data Centers: Three reboots, but devices are in an HA pair. Brief outages will occur during reboots.
  • All other Managed Firewalls: Three outages of 10 minutes each.

Migrate Ithaca campus Managed Firewalls To New Appliances (CIT Data Centers EXCLUDED)

On Sunday, January 17, 2021, between 5:00am and noon, CIT Network Engineering will migrate the Ithaca Campus Managed Firewall (MFW) infrastructure to new hardware. This maintenance EXCLUDES the CIT Data Centers. During the maintenance window, the Managed Firewall service will move to new appliance hardware. This will result in a brief outage.

A service outage will occur at the following location:

  • Ithaca Campus Managed Firewalls (EXCLUDING CIT Data Centers): Brief outage when migrating to new hardware.

Migrate CIT Data Center Managed Firewalls To New Appliances

On Sunday, February 7, 2021, between 5:00am and noon, CIT Network Engineering will migrate the CIT Data Center Managed Firewall (MFW) infrastructure to new hardware. During the maintenance window, the CIT Data Center Managed Firewall service will move to new appliance hardware. This will result in a brief outage and connections will need to be reestablished.

A service outage will occur at the following location:

  • CIT Data Center Managed Firewalls: Brief outage when migrating to new hardware.

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