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

The layer 2 switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts.

DISA Rule

SV-206654r856584_rule

Vulnerability Number

V-206654

Group Title

SRG-NET-000362

Rule Version

SRG-NET-000362-L2S-000021

Severity

CAT III

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 Root Guard enabled on all switch ports connecting to access layer switches and hosts.

Check Contents

Review the switch topology as well as the switch configuration to verify that Root Guard is enabled on all switch ports connecting to access layer switches and hosts.

If the switch has not enabled Root Guard on all switch ports connecting to access layer switches and hosts, this is a finding.

Vulnerability Number

V-206654

Documentable

False

Rule Version

SRG-NET-000362-L2S-000021

Severity Override Guidance

Review the switch topology as well as the switch configuration to verify that Root Guard is enabled on all switch ports connecting to access layer switches and hosts.

If the switch has not enabled Root Guard on all switch ports connecting to access layer switches and hosts, this is a finding.

Check Content Reference

M

Target Key

2913