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XCCDF
Arista MLS EOS 4.2x Router Security Technical Implementation Guide
SRG-NET-000018-RTR-000003
The Arista BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
The Arista BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
An XCCDF Rule
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The Arista BGP router must be configured to reject inbound route advertisements for any prefixes belonging to the local autonomous system (AS).
Medium Severity
<VulnDiscussion>Accepting route advertisements belonging to the local AS can result in traffic looping or being black holed, or at a minimum using a non-optimized path.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>