STIGQter: STIG Summary: Arista MLS EOS 4.X Router Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 02 Apr 2025:

The Arista perimeter router must be configured to not be a Border Gateway Protocol (BGP) peer to an alternate gateway service provider.

DISA Rule

SV-256003r882351_rule

Vulnerability Number

V-256003

Group Title

SRG-NET-000019-RTR-000009

Rule Version

ARST-RT-000170

Severity

CAT I

CCI(s)

• CCI-001414 - Enforce approved authorizations for controlling the flow of information between connected systems based on organization-defined information flow control policies.

Weight

10

Fix Recommendation

This requirement is not applicable for the DODIN backbone.

Configure a static route on the perimeter router to reach the AS of a router connecting to an alternate gateway.

router(config)#ip route 192.168.67.0/24 12.15.4.9

Check Contents

This requirement is not applicable for the DODIN backbone.

Review the Arista router configuration of the router connecting to the alternate gateway.

To verify no BGP neighbors are configured to the remote AS that belongs to the alternate gateway service provider and the static route is configured, execute the command "show ip route static".

ip route 192.168.67.0/24 12.15.4.9

If BGP neighbors are connecting the remote AS of the alternate gateway service provider, this is a finding.

Vulnerability Number

V-256003

Documentable

False

Rule Version

ARST-RT-000170

Severity Override Guidance

This requirement is not applicable for the DODIN backbone.

Review the Arista router configuration of the router connecting to the alternate gateway.

To verify no BGP neighbors are configured to the remote AS that belongs to the alternate gateway service provider and the static route is configured, execute the command "show ip route static".

ip route 192.168.67.0/24 12.15.4.9

If BGP neighbors are connecting the remote AS of the alternate gateway service provider, this is a finding.

Check Content Reference

M

Target Key

5513