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

The layer 2 switch must fail securely in the event of an operational failure of a boundary protection device.

DISA Rule

SV-278986r1137783_rule

Vulnerability Number

V-278986

Group Title

SRG-NET-000365

Rule Version

SRG-NET-000365-L2S-000030

Severity

CAT II

CCI(s)

• CCI-001126 - Prevent systems from entering unsecure states in the event of an operational failure of a boundary protection device.

Weight

10

Fix Recommendation

Configure the layer 2 switch to fail securely in the event of an operational failure of a boundary protection device.

Check Contents

Verify the layer 2 switch fails securely in the event of an operational failure of a boundary protection device.

If the layer 2 switch does not fail securely in the event of an operational failure of a boundary protection device, this is a finding.

Vulnerability Number

V-278986

Documentable

False

Rule Version

SRG-NET-000365-L2S-000030

Severity Override Guidance

Verify the layer 2 switch fails securely in the event of an operational failure of a boundary protection device.

If the layer 2 switch does not fail securely in the event of an operational failure of a boundary protection device, this is a finding.

Check Content Reference

M

Target Key

2913