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

The layer 2 switch must have BPDU Guard enabled on all user-facing or untrusted access switch ports.

DISA Rule

SV-206655r856585_rule

Vulnerability Number

V-206655

Group Title

SRG-NET-000362

Rule Version

SRG-NET-000362-L2S-000022

Severity

CAT II

CCI(s)

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

Weight

Fix Recommendation

Configure the switch to have BPDU Guard enabled on all user-facing or untrusted access switch ports.

Check Contents

Review the switch configuration to verify that BPDU Guard is enabled on all user-facing or untrusted access switch ports.

If the switch has not enabled BPDU Guard, this is a finding.

Vulnerability Number

V-206655

Documentable

False

Rule Version

SRG-NET-000362-L2S-000022

Severity Override Guidance

Review the switch configuration to verify that BPDU Guard is enabled on all user-facing or untrusted access switch ports.

If the switch has not enabled BPDU Guard, this is a finding.

Check Content Reference

Target Key

2913