STIGQter: STIG Summary: Layer 2 Switch Security Requirements Guide Version: 3 Release: 4 Benchmark Date: 01 Apr 2026:

The layer 2 switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.

DISA Rule

SV-206660r856590_rule

Vulnerability Number

V-206660

Group Title

SRG-NET-000362

Rule Version

SRG-NET-000362-L2S-000027

Severity

CAT II

CCI(s)

• CCI-002385 - Protect against or limit the effects of organization-defined types of denial of service events.

Weight

10

Fix Recommendation

Configure the switch to have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.

Check Contents

Review the switch configuration to verify that Dynamic Address Resolution Protocol (ARP) Inspection (DAI) feature is enabled on all user VLANs.

If DAI is not enabled on all user VLANs, this is a finding.

Vulnerability Number

V-206660

Documentable

False

Rule Version

SRG-NET-000362-L2S-000027

Severity Override Guidance

Review the switch configuration to verify that Dynamic Address Resolution Protocol (ARP) Inspection (DAI) feature is enabled on all user VLANs.

If DAI is not enabled on all user VLANs, this is a finding.

Check Content Reference

M

Target Key

2913