Layer 2 Switch Security Requirements Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The layer 2 switch must have all trunk links enabled statically.
<VulnDiscussion>When trunk negotiation is enabled via Dynamic Trunk Protocol (DTP), considerable time can be spent negotiating trunk settings...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have all disabled switch ports assigned to an unused VLAN.
<VulnDiscussion>It is possible that a disabled port that is assigned to a user or management VLAN becomes enabled by accident or by an attack...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have Dynamic Address Resolution Protocol (ARP) Inspection (DAI) enabled on all user VLANs.
<VulnDiscussion>DAI intercepts Address Resolution Protocol (ARP) requests and verifies that each of these packets has a valid IP-to-MAC addre...Rule Medium Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have Storm Control configured on all host-facing switch ports.
<VulnDiscussion>A traffic storm occurs when packets flood a LAN, creating excessive traffic and degrading network performance. Traffic storm ...Rule Low Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group -
The layer 2 switch must have IGMP or MLD Snooping configured on all VLANs
<VulnDiscussion>IGMP and MLD snooping provides a way to constrain multicast traffic at Layer 2. By monitoring the IGMP or MLD membership repo...Rule Low Severity -
SRG-NET-000512
<GroupDescription></GroupDescription>Group
Node 2
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