The Cisco switch must be configured to synchronize its clock with the primary and secondary time sources using redundant authoritative time sources.
DISA Rule
SV-220601r1015287_rule
Vulnerability Number
V-220601
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 switch to synchronize its clock with redundant authoritative time sources as shown in the example below:
SW2(config)#ntp server x.x.x.x
SW2(config)#ntp server y.y.y.y
Check Contents
Review the Cisco switch configuration to verify that it synchronizes its clock with redundant authoritative time sources as shown in the example below:
ntp server x.x.x.x
ntp server y.y.y.y
If the Cisco switch is not configured to synchronize its clock with redundant authoritative time sources, this is a finding.
Vulnerability Number
V-220601
Documentable
False
Rule Version
CISC-ND-001030
Severity Override Guidance
Review the Cisco switch configuration to verify that it synchronizes its clock with redundant authoritative time sources as shown in the example below:
ntp server x.x.x.x
ntp server y.y.y.y
If the Cisco switch is not configured to synchronize its clock with redundant authoritative time sources, this is a finding.
Check Content Reference
M
Target Key
4069