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201 · Question #173

A BIG-IP Administrator upgrades the BIG-IP LTM to a newer software version. After the administrator reboots into the new volume, the Configuration fails to load. Why is the Configuration failing to…

The correct answer is A. The license needs to be reactivated before the upgrade. After upgrading BIG-IP LTM to a new software version and rebooting into the new volume, the configuration may fail to load because the license needs to be reactivated for the new software.

Maintain a BIG-IP Device

Question

A BIG-IP Administrator upgrades the BIG-IP LTM to a newer software version. After the administrator reboots into the new volume, the Configuration fails to load. Why is the Configuration failing to load?

Options

  • AThe license needs to be reactivated before the upgrade.
  • BThe upgrade was performed on the standby unit.
  • CA minimum of at least two reboots is required.
  • DConnectivity to the DNS server failed to be established.

How the community answered

(23 responses)
  • A
    91% (21)
  • B
    4% (1)
  • C
    4% (1)

Why each option

After upgrading BIG-IP LTM to a new software version and rebooting into the new volume, the configuration may fail to load because the license needs to be reactivated for the new software.

AThe license needs to be reactivated before the upgrade.Correct

Upgrading to a new BIG-IP software version, especially a major one, often requires reactivating the license on the new boot volume to ensure the configuration and all features load correctly with the updated software.

BThe upgrade was performed on the standby unit.

Performing an upgrade on a standby unit is a common best practice to maintain availability and would not inherently cause the configuration to fail loading on the upgraded unit.

CA minimum of at least two reboots is required.

While multiple reboots might occur during troubleshooting, there is no inherent requirement for a minimum of two reboots for the configuration to load after an upgrade.

DConnectivity to the DNS server failed to be established.

DNS connectivity issues would primarily affect name resolution, not the fundamental loading of the local system configuration after an upgrade.

Concept tested: BIG-IP upgrade and license reactivation

Source: https://techdocs.f5.com/en-us/bigip-15-1-0/big-ip-system-upgrade-guide/post-upgrade-tasks.html

Topics

#BIG-IP upgrade#Configuration load failure#License reactivation#Software version

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