STIGQter: STIG Summary: Cisco IOS Router NDM Security Technical Implementation Guide Version: 3 Release: 8 Benchmark Date: 01 Jul 2026:

The Cisco router must be configured to synchronize its clock with the primary and secondary time sources using redundant authoritative time sources.

DISA Rule

SV-215693r991832_rule

Vulnerability Number

V-215693

Group Title

SRG-APP-000373-NDM-000298

Rule Version

CISC-ND-001030

Severity

CAT II

CCI(s)

• CCI-001889 - Record time stamps for audit records that meet organization-defined granularity of time measurement.
• CCI-001890 - Record time stamps for audit records that use Coordinated Universal Time, have a fixed local time offset from Coordinated Universal Time, or that include the local time offset as part of the time stamp.
• CCI-004928 - Identify a secondary authoritative time source that is in a different geographic region than the primary authoritative time source.
• CCI-004922 - Synchronize system clocks within and between systems or system components.
• CCI-004923 - Compare the internal system clocks on an organization-defined frequency with organization-defined authoritative time source.

Weight

10

Fix Recommendation

Configure the Cisco router to synchronize its clock with redundant authoritative time sources as shown in the example below.

R2(config)#ntp server x.x.x.x
R2(config)#ntp server y.y.y.y

Check Contents

Review the Cisco router configuration to verify that it is compliant with this requirement as shown in the configuration example below.

ntp server x.x.x.x
ntp server y.y.y.y

If the Cisco router is not configured to synchronize its clock with redundant authoritative time sources, this is a finding.

Vulnerability Number

V-215693

Documentable

False

Rule Version

CISC-ND-001030

Severity Override Guidance

Review the Cisco router configuration to verify that it is compliant with this requirement as shown in the configuration example below.

ntp server x.x.x.x
ntp server y.y.y.y

If the Cisco router is not configured to synchronize its clock with redundant authoritative time sources, this is a finding.

Check Content Reference

M

Target Key

4014