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Cisco NX OS Switch L2S Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco switch must have Unknown Unicast Flood Blocking (UUFB) enabled.

    Access layer switches use the Content Addressable Memory (CAM) table to direct traffic to specific ports based on the VLAN number and the destination MAC address of the frame. When a router has an ...
    Rule Medium Severity
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  • SRG-NET-000362-L2S-000025

    Group
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  • The Cisco switch must have DHCP snooping for all user VLANs to validate DHCP messages from untrusted sources.

    In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, routers, and servers in the network. Host ports and unknown DHCP servers are ...
    Rule Medium Severity
    Show

  • SRG-NET-000362-L2S-000026

    Group
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  • SRG-NET-000362-L2S-000027

    Group
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