wfAcctCircularSnapshotFlag 1.3.6.1.4.1.18.3.3.2.23.2.1.5

This flag indicates whether the collection of snapshots for each interface and queue should act as a circular buffer. If enabled, when the maximum number of snapshots in memory is reached, the oldest snapshot will be deleted, and the next snapshot will be added. If disabled, when the maximum number of snapshots in memory is reached, the collection of snapshots will be maintained, however no new snapshots will be added.