A BIG-IP Administrator uses a device group to share the workload and needs to perform service on a BIG-IP device currently active for a traffic…

To perform maintenance on an active BIG-IP device in a high-availability (HA) pair, the administrator must gracefully fail over the traffic group to a peer device. The "Force to Standby" option is the designated function in the BIG-IP system to initiate this process. This action changes the status of the traffic group on the current device to standby, prompting the peer device with the next best availability score to become active for that traffic group, thus ensuring service continuity.

A. Creating a new Traffic Group is unnecessary and does not address moving the existing active workload to a peer device for maintenance.

B. While "Failover" is the general concept, "Force to Standby" is the specific command used in the BIG-IP interface to initiate a graceful failover.

D. "Demote" is not a standard term or action used within the BIG-IP system for managing traffic group failover.

1. F5 Networks. (2021). BIG-IP Device Service Clustering: Administration. Chapter: Managing Traffic Groups, Section: Forcing a traffic group to a standby state. "You can temporarily force an active traffic group on a device to a standby state... This is useful when you need to perform maintenance on a device that is currently active for a traffic group."

2. F5 Networks. (2021). BIG-IP LTM: Implementations. K15122: Overview of BIG-IP Traffic Management Shell (tmsh). The run /sys failover standby command is the CLI equivalent of the "Force to Standby" GUI action.