Skip to content
ATO Pathways
  Log In

Cisco NX OS Switch L2S Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco switch must have the native VLAN assigned to an ID other than the default VLAN for all 802.1q trunk links.

    <VulnDiscussion>VLAN hopping can be initiated by an attacker who has access to a switch port belonging to the same VLAN as the native VLAN of...
    Rule Medium Severity
    Show

  • SRG-NET-000512-L2S-000013

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must not have any switchports assigned to the native VLAN.

    &lt;VulnDiscussion&gt;Double encapsulation can be initiated by an attacker who has access to a switch port belonging to the native VLAN of the trun...
    Rule Low Severity
    Show

  • SRG-NET-000148-L2S-000015

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must uniquely identify all network-connected endpoint devices before establishing any connection.

    &lt;VulnDiscussion&gt;Controlling LAN access via 802.1x authentication can assist in preventing a malicious user from connecting an unauthorized PC...
    Rule High Severity
    Show

  • SRG-NET-000168-L2S-000019

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must authenticate all VLAN Trunk Protocol (VTP) messages with a hash function using the most secured cryptographic algorithm available.

    &lt;VulnDiscussion&gt;VLAN Trunk Protocol (VTP) provides central management of VLAN domains, thus reducing administration in a switched network. Wh...
    Rule Medium Severity
    Show

  • SRG-NET-000331-L2S-000001

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured for authorized users to select a user session to capture.

    &lt;VulnDiscussion&gt;Without the capability to select a user session to capture/record or view/hear, investigations into suspicious or harmful eve...
    Rule Medium Severity
    Show

  • SRG-NET-000332-L2S-000002

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must be configured for authorized users to remotely view, in real time, all content related to an established user session from a component separate from The Cisco switch.

    &lt;VulnDiscussion&gt;Without the capability to remotely view/hear all content related to a user session, investigations into suspicious user activ...
    Rule Medium Severity
    Show

  • SRG-NET-000343-L2S-000016

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must authenticate all endpoint devices before establishing any connection.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. ...
    Rule Medium Severity
    Show

  • SRG-NET-000362-L2S-000021

    <GroupDescription></GroupDescription>
    Group
    Show

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

    &lt;VulnDiscussion&gt;In an enterprise network, devices under administrative control are trusted sources. These devices include the switches, route...
    Rule Medium Severity
    Show

  • SRG-NET-000362-L2S-000026

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must have Root Guard enabled on all switch ports connecting to access layer switches and hosts.

    &lt;VulnDiscussion&gt;Spanning Tree Protocol (STP) does not provide any means for the network administrator to securely enforce the topology of the...
    Rule Low Severity
    Show

  • SRG-NET-000362-L2S-000022

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco switch must have BPDU Guard enabled on all user-facing or untrusted access switch ports.

    &lt;VulnDiscussion&gt;If a rogue switch is introduced into the topology and transmits a Bridge Protocol Data Unit (BPDU) with a lower bridge priori...
    Rule Medium Severity
    Show

  • SRG-NET-000362-L2S-000023

    <GroupDescription></GroupDescription>
    Group
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

Capacity
Modules