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Assessment Title
Rule Text
The Cisco perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
Description
Discussion Text
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.
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