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DISA Cisco IOS Switch L2S STIG v3r1

Audit Details

Name: DISA Cisco IOS Switch L2S STIG v3r1

Updated: 10/6/2025

Authority: DISA STIG

Plugin: Cisco

Revision: 1.2

Estimated Item Count: 22

File Details

Filename: DISA_STIG_Cisco_IOS_Switch_L2S_v3r1.audit

Size: 54.1 kB

MD5: c90be87c47ec8f87d37b329b702a8db5
SHA256: 75e7443e0ac30670170ca5111cc1f9cad94f0a37ce9bba7448a0b37a466dcf88

Audit Changelog

 
Revision 1.2

Oct 6, 2025

Functional Update
  • CISC-L2-000020 - The Cisco switch must uniquely identify and authenticate all network-connected endpoint devices before establishing any connection.
Informational Update
  • CISC-L2-000020 - The Cisco switch must uniquely identify and authenticate all network-connected endpoint devices before establishing any connection.
Miscellaneous
  • Metadata updated.
  • Platform check updated.
  • References updated.
  • See also link updated.
  • Variables updated.
Removed
  • 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-L2-000040 - The Cisco switch must manage excess bandwidth to limit the effects of packet-flooding types of denial-of-service (DoS) attacks.
  • CISC-L2-000090 - The Cisco switch must have Root Guard enabled on all switch ports connecting to access layer switches.
  • CISC-L2-000100 - The Cisco switch must have Bridge Protocol Data Unit (BPDU) Guard enabled on all user-facing or untrusted access switch ports.
  • CISC-L2-000110 - The Cisco switch must have Spanning Tree Protocol (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-L2-000180 - The Cisco switch must implement Rapid Spanning Tree Protocol (STP) where VLANs span multiple switches with redundant links.
  • CISC-L2-000190 - The Cisco switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections.
  • CISC-L2-000200 - The Cisco switch must have all trunk links enabled statically.
  • 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.
  • DISA_STIG_Cisco_IOS_Switch_L2S_v3r1.audit from DISA Cisco IOS Switch L2S v3r1 STIG
Revision 1.1

Nov 26, 2024

Miscellaneous
  • Metadata updated.
  • See also link updated.