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DISA Cisco NX OS Switch L2S STIG v3r2

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Audit Details

Name: DISA Cisco NX OS Switch L2S STIG v3r2

Updated: 3/30/2026

Authority: DISA STIG

Plugin: Cisco

Revision: 1.4

Estimated Item Count: 22

Audit Items

DescriptionCategories
CISC-L2-000020 - The Cisco switch must uniquely identify all network-connected endpoint devices before establishing any connection.
CISC-L2-000030 - The Cisco switch must authenticate all VLAN Trunk Protocol (VTP) messages with a hash function using the most secured cryptographic algorithm available.
CISC-L2-000060 - The Cisco switch must be configured for authorized users to select a user session to capture.
CISC-L2-000070 - The Cisco switch must be configured for authorized users to remotely view, in real time, all content related to an established user session from a component separate from The Cisco switch.
CISC-L2-000080 - The Cisco switch must authenticate all endpoint devices before establishing any connection.
CISC-L2-000090 - The Cisco switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts.
CISC-L2-000100 - The Cisco switch must have BPDU Guard enabled on all user-facing or untrusted access switch ports.
CISC-L2-000110 - The Cisco switch must have STP Loop Guard enabled.
CISC-L2-000120 - The Cisco switch must have Unknown Unicast Flood Blocking (UUFB) enabled.
CISC-L2-000130 - The Cisco switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.
CISC-L2-000140 - The Cisco switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports.
CISC-L2-000150 - The Cisco switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.
CISC-L2-000160 - The Cisco switch must have Storm Control configured on all host-facing switchports.
CISC-L2-000170 - The Cisco switch must have IGMP or MLD Snooping configured on all VLANs.
CISC-L2-000190 - The Cisco switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections.
CISC-L2-000210 - The Cisco switch must have all disabled switch ports assigned to an unused VLAN.
CISC-L2-000220 - The Cisco switch must not have the default VLAN assigned to any host-facing switch ports.
CISC-L2-000230 - The Cisco switch must have the default VLAN pruned from all trunk ports that do not require it.
CISC-L2-000240 - The Cisco switch must not use the default VLAN for management traffic.
CISC-L2-000250 - The Cisco switch must have all user-facing or untrusted ports configured as access switch ports.
CISC-L2-000260 - The Cisco switch must have the native VLAN assigned to an ID other than the default VLAN for all 802.1q trunk links.
CISC-L2-000270 - The Cisco switch must not have any switchports assigned to the native VLAN.