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Arista MLS EOS 4.2x Router Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-NET-000364-RTR-000111

    <GroupDescription></GroupDescription>
    Group
  • The Arista perimeter router must be configured to have Link Layer Discovery Protocols (LLDPs) disabled on all external interfaces.

    &lt;VulnDiscussion&gt;LLDPs are primarily used to obtain protocol addresses of neighboring devices and discover platform capabilities of those devi...
    Rule Low Severity
  • SRG-NET-000364-RTR-000112

    <GroupDescription></GroupDescription>
    Group
  • The Arista perimeter router must be configured to have Proxy ARP disabled on all external interfaces.

    &lt;VulnDiscussion&gt;When Proxy ARP is enabled on a Cisco router, it allows that router to extend the network (at Layer 2) across multiple interfa...
    Rule Medium Severity
  • SRG-NET-000364-RTR-000113

    <GroupDescription></GroupDescription>
    Group
  • The Arista perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.

    &lt;VulnDiscussion&gt;Many of the known attacks in stateless autoconfiguration are defined in RFC 3756 were present in IPv4 ARP attacks. To mitigat...
    Rule Medium Severity
  • SRG-NET-000205-RTR-000015

    <GroupDescription></GroupDescription>
    Group
  • The Arista multicast Designated Router (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join only multicast groups that have been approved by the organization.

    &lt;VulnDiscussion&gt;Real-time multicast traffic can entail multiple large flows of data. Large unicast flows tend to be fairly isolated (i.e., so...
    Rule Low Severity
  • SRG-NET-000364-RTR-000115

    <GroupDescription></GroupDescription>
    Group
  • The Arista multicast Designated Router (DR) must be configured to filter the Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Report messages to allow hosts to join a multicast group only from sources that have been approved by the organization.

    &lt;VulnDiscussion&gt;Real-time multicast traffic can entail multiple large flows of data. Large unicast flows tend to be fairly isolated (i.e., so...
    Rule Medium Severity

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