STIGQter: STIG Summary: Cisco IOS XE Router RTR Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 23 Apr 2021:

The Cisco MPLS router must be configured to have TTL Propagation disabled.

DISA Rule

SV-216700r531086_rule

Vulnerability Number

V-216700

Group Title

SRG-NET-000512-RTR-000004

Rule Version

CISC-RT-000620

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Configure the MPLS router to disable TTL propagation as shown in the example below:

R5(config)#no mpls ip propagate-ttl

Check Contents

Review the router configuration to verify that TTL propagation is disabled as shown in the example below:

no mpls ip propagate-ttl

If the MPLS router is not configured to disable TTL propagation, this is a finding.

Vulnerability Number

V-216700

Documentable

False

Rule Version

CISC-RT-000620

Severity Override Guidance

Review the router configuration to verify that TTL propagation is disabled as shown in the example below:

no mpls ip propagate-ttl

If the MPLS router is not configured to disable TTL propagation, this is a finding.

Check Content Reference

M

Target Key

4028

Comments