The Cisco router must be configured to generate log records for privileged activities.
Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit records can be generated from various components within the network device (e.g., module or policy filter).
How this relates to the STIG checklist: STIG vs SCAP benchmark.