A BIG-IP Administrator finds the following log entry: tnm tmm[7141]: 011e0002:4: sweeperjjpdate: aggressive mode activated. Which action should the BIG-IP Administrator to mitigate this memory issue?

Configuring an active-active pair changes the HA architecture but doesn't directly solve an existing memory pressure issue on a specific TMM instance.

Decreasing the TCP profile Idle Timeout value would close idle connections sooner, which could reduce the connection table size; however, ensuring correct connection mirroring addresses a potentially more fundamental HA state management issue contributing to memory pressure.

Increasing the TCP profile Idle Timeout value would keep connections open longer, exacerbating memory pressure and making the sweeper more aggressive.

The 'sweeper aggressive mode activated' message indicates TMM memory pressure from an excessive number of connections. In an HA pair, properly configured Connection Mirroring ensures session states are synchronized, preventing a single unit from accumulating excessive state and helping to manage connection table size effectively, thereby alleviating memory pressure.