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Cisco IOS Switch L2S Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco switch must implement Rapid Spanning Tree Protocol (STP) where VLANs span multiple switches with redundant links.

    <VulnDiscussion>STP is implemented on bridges and switches to prevent Layer 2 loops when a broadcast domain spans multiple bridges and switch...
    Rule Medium Severity
    Show

  • SRG-NET-000512-L2S-000004

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must enable Unidirectional Link Detection (UDLD) to protect against one-way connections.

    &lt;VulnDiscussion&gt;In topologies where fiber optic interconnections are used, physical misconnections can occur that allow a link to appear to b...
    Rule Medium Severity
    Show

  • SRG-NET-000512-L2S-000005

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must have all trunk links enabled statically.

    &lt;VulnDiscussion&gt;When trunk negotiation is enabled via Dynamic Trunk Protocol (DTP), considerable time can be spent negotiating trunk settings...
    Rule Medium Severity
    Show

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