Cisco NX-OS MPLS Encapsulated IPv6 Denial of Service Vulnerability Last updated Save as PDF Share Share Tweet Share Views:41Visibility:PublicVotes:0Category:fabric-interconnect-and-management-switchesSpecialty:hwLast Updated: Applies to ONTAP 9 Cisco cluster switches Issue Cisco cluster switch is vulnerable to Cisco NX-OS MPLS Encapsulated IPv6 Denial of Service Vulnerability.