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Cisco NX OS Switch RTR Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).

    <VulnDiscussion>Advertisement of routes by an autonomous system for networks that do not belong to any of its customers pulls traffic away fr...
    Rule Medium Severity
    Show

  • SRG-NET-000205-RTR-000006

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco BGP switch must be configured to reject outbound route advertisements for any prefixes belonging to the IP core.

    &lt;VulnDiscussion&gt;Outbound route advertisements belonging to the core can result in traffic either looping or being black holed, or at a minimu...
    Rule Medium Severity
    Show

  • SRG-NET-000018-RTR-000006

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco BGP switch must be configured to reject route advertisements from BGP peers that do not list their autonomous system (AS) number as the first AS in the AS_PATH attribute.

    &lt;VulnDiscussion&gt;Verifying the path a route has traversed will ensure the IP core is not used as a transit network for unauthorized or possibl...
    Rule Low Severity
    Show

  • SRG-NET-000018-RTR-000010

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco BGP switch must be configured to reject route advertisements from CE switches with an originating AS in the AS_PATH attribute that does not belong to that customer.

    &lt;VulnDiscussion&gt;Verifying the path a route has traversed will ensure that the local AS is not used as a transit network for unauthorized traf...
    Rule Low Severity
    Show

  • SRG-NET-000362-RTR-000117

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Cisco PE switch must be configured to have each Virtual Routing and Forwarding (VRF) instance with the appropriate Route Target (RT).

    &lt;VulnDiscussion&gt;The primary security model for an MPLS L3VPN as well as a VRF-lite infrastructure is traffic separation. Each interface can o...
    Rule High Severity
    Show

  • SRG-NET-000512-RTR-000007

    <GroupDescription></GroupDescription>
    Group
    Show

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