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Cisco IOS Switch L2S Security Technical Implementation Guide

Version

V3R1

Benchmark ID

Cisco_IOS_Switch_L2S_STIG

Total Checks

22

Tags

networkmobile
CAT I: 1CAT II: 17CAT III: 4

This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.

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Checks (22)

V-220623HIGHThe Cisco switch must uniquely identify and authenticate all network-connected endpoint devices before establishing any connection.V-220624MEDIUMThe Cisco switch must authenticate all VLAN Trunk Protocol (VTP) messages with a hash function using the most secured cryptographic algorithm available.V-220625MEDIUMThe Cisco switch must manage excess bandwidth to limit the effects of packet-flooding types of denial-of-service (DoS) attacks.V-220629LOWThe Cisco switch must have Root Guard enabled on all switch ports connecting to access layer switches.V-220630MEDIUMThe Cisco switch must have Bridge Protocol Data Unit (BPDU) Guard enabled on all user-facing or untrusted access switch ports.V-220631MEDIUMThe Cisco switch must have Spanning Tree Protocol (STP) Loop Guard enabled.V-220632MEDIUMThe Cisco switch must have Unknown Unicast Flood Blocking (UUFB) enabled.V-220633MEDIUMThe Cisco switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.V-220634MEDIUMThe Cisco switch must have IP Source Guard enabled on all user-facing or untrusted access switch ports.V-220635MEDIUMThe Cisco switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.V-220636LOWThe Cisco switch must have Storm Control configured on all host-facing switchports.V-220637LOWThe Cisco switch must have IGMP or MLD Snooping configured on all VLANs.V-220638MEDIUMThe Cisco switch must implement Rapid Spanning Tree Protocol (STP) where VLANs span multiple switches with redundant links.V-220639MEDIUMThe Cisco switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections.V-220640MEDIUMThe Cisco switch must have all trunk links enabled statically.V-220641MEDIUMThe Cisco switch must have all disabled switch ports assigned to an unused VLAN.V-220642MEDIUMThe Cisco switch must not have the default VLAN assigned to any host-facing switch ports.V-220643MEDIUMThe Cisco switch must have the default VLAN pruned from all trunk ports that do not require it.V-220644MEDIUMThe Cisco switch must not use the default VLAN for management traffic.V-220645MEDIUMThe Cisco switch must have all user-facing or untrusted ports configured as access switch ports.V-220646MEDIUMThe Cisco switch must have the native VLAN assigned to an ID other than the default VLAN for all 802.1q trunk links.V-220647LOWThe Cisco switch must not have any switchports assigned to the native VLAN.