| ARST-L2-000020 - The Arista MLS layer 2 switch must uniquely identify all network-connected endpoint devices before establishing any connection. | IDENTIFICATION AND AUTHENTICATION |
| ARST-L2-000030 - The Arista MLS layer 2 switch must be configured for Storm Control to limit the effects of packet flooding types of denial-of-service (DoS) attacks. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000050 - The Arista MLS switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000060 - The Arista MLS layer 2 switch must have BPDU Guard enabled on all switch ports connecting to access layer switches and hosts. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000070 - The Arista MLS switch must have STP Loop Guard enabled on all nondesignated STP switch ports. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000090 - The Arista MLS layer 2 switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000100 - The Arista MLS layer 2 switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000110 - The Arista MLS layer 2 switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000130 - The Arista MLS layer 2 switch must have IGMP or MLD Snooping configured on all VLANs. | CONFIGURATION MANAGEMENT |
| ARST-L2-000140 - The Arista MLS layer 2 Arista MLS switch must implement Rapid STP where VLANs span multiple switches with redundant links. | CONFIGURATION MANAGEMENT |
| ARST-L2-000150 - The Arista MLS layer 2 switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections. | CONFIGURATION MANAGEMENT |
| ARST-L2-000160 - The Arista MLS layer 2 switch must have all trunk links enabled statically. | CONFIGURATION MANAGEMENT |
| ARST-L2-000170 - The Arista MLS layer 2 switch must have all disabled switch ports assigned to an unused VLAN. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000180 - The Arista MLS layer 2 switch must not have the default VLAN assigned to any host-facing switch ports. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000190 - The Arista MLS layer 2 switch must have the default VLAN pruned from all trunk ports that do not require it. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000200 - The Arista MLS layer 2 switch must not use the default VLAN for management traffic. | CONTINGENCY PLANNING |
| ARST-L2-000210 - The Arista MLS layer 2 switch must have all user-facing or untrusted ports configured as access switch ports. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000220 - The Arista MLS layer 2 switch must have the native VLAN assigned to an ID other than the default VLAN for all 802.1q trunk links. | SYSTEM AND COMMUNICATIONS PROTECTION |
| ARST-L2-000230 - The Arista MLS layer 2 switch must not have any switch ports assigned to the native VLAN. | SYSTEM AND COMMUNICATIONS PROTECTION |
