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XCCDF
Cisco IOS XR Router RTR Security Technical Implementation Guide
SRG-NET-000512-RTR-000014
The Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
The Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
An XCCDF Rule
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The Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
Medium Severity
<VulnDiscussion>Many of the known attacks in stateless autoconfiguration are defined in RFC 3756 were present in IPv4 ARP attacks. To mitigate these vulnerabilities, links that have no hosts connected such as the interface connecting to external gateways must be configured to suppress router advertisements.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>