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ITS Alert - Resolved: Data Center Firewall maintenance July 11, 5-7 am

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Resolved: Data Center Firewall maintenance July 11, 5-7 am

Last updated on July 11, 2017 at 8:37AM

Update on July 11, 2017 at 8:37AM

As of 8:08 the interface issue has been resolved and the firewalls have returned to normal operation.

Update on July 11, 2017 at 7:18AM

The firewall work is ongoing at this time.

Jumbo frames were enabled and the devices rebooted.

Upon the last reboot, one of the interfaces used for High Availability did not resume normal operation. As a preventative measure, the firewall with the malfunctioning interface has been removed from the cluster. The remaining firewall is functioning correctly. There appears to be no disruption to traffic flows.

Work is ongoing to resolve the problematic interface.

Original Alert

During the 5-7 am maintenance window on Tuesday, July 11, ENCS and DCS will be performing maintenance on the Data Center Firewalls in Tower Rd and Computer buildings. This maintenance is being performed to re-enable jumbo frame capabilities which had been erroneously turned off during troubleshooting in a previous network event.

Panorama will be available throughout the maintenance, but please do not make any changes to rule sets during the July 11 maintenance window as those changes may not properly synchronize and cause complications.

Although every precaution will be taken to minimize impact to traffic flows during the maintenance, each firewall will need to be individually taken out of service, need configuration changed, need to be rebooted and need to be brought back in to service. As the firewalls are taken out of and in to service, there may be up to four individual disruptions of up to 35 seconds as the network re-converges. These outages will be spread across the maintenance window. Please monitor your applications and services to ensure that functionality is maintained or if corrective action is needed.

For more information, please contact Data Center Services (ITServiceDesk@psu.edu).


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Impact Information

  • Incident Type:
    Scheduled Maintenance or Upgrade
  • Services affected:
    Network
  • Locations affected:
    University Park
  • Began on:
    July 11, 2017 at 7:17AM
  • Issue Resolved:
    July 11, 2017 at 8:37AM