STIGQter: STIG Summary: Nokia Service Router OS 25.x Router Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 28 Apr 2026:

The Nokia Provider Edge (PE) router must be configured to limit the number of MAC addresses it can learn for each virtual private local access network service (VPLS) bridge domain.

DISA Rule

SV-283825r1203724_rule

Vulnerability Number

V-283825

Group Title

SRG-NET-000192-RTR-000002

Rule Version

NOKI-RT-000070

Severity

CAT II

CCI(s)

• CCI-001094 - Restrict the ability of individuals to launch organization-defined denial of service attacks against other systems.

Weight

10

Fix Recommendation

Configure a MAC address learning limit for each VPLS bridge domain:

- configure service vpls 20 fdb-table-size 500

Check Contents

Review the Nokia PE router configuration to determine if a MAC address limit has been set for each VPLS bridge domain.

Use the command below for each VPLS service and verify "Table Size" is set correctly, as shown in the example below:

- show service id 20 fdb | match "Table Size"

Table Size : 500 Allocated Count : 0

If a limit has not been configured, this is a finding.

Vulnerability Number

V-283825

Documentable

False

Rule Version

NOKI-RT-000070

Severity Override Guidance

Review the Nokia PE router configuration to determine if a MAC address limit has been set for each VPLS bridge domain.

Use the command below for each VPLS service and verify "Table Size" is set correctly, as shown in the example below:

- show service id 20 fdb | match "Table Size"

Table Size : 500 Allocated Count : 0

If a limit has not been configured, this is a finding.

Check Content Reference

M

Target Key

5746