Explanation Restrictions for IPv6 RA Guard * The IPv6 RA Guard feature does not offer protection in environments where IPv6 traffic is tunneled. * This feature is supported only in hardware when the ternary content addressable memory (TCAM) is programmed. * This feature can be configured on a switch port interface in the ingress direction. * This feature supports host mode and router mode. * This feature is supported only in the ingress direction; it is not supported in the egress direction. * This feature is not supported on EtherChannel and EtherChannel port members. * This feature is not supported on trunk ports with merge mode. * This feature is supported on auxiliary VLANs and private VLANs (PVLANs). In the case of PVLANs, primary VLAN features are inherited and merged with port features. * Packets dropped by the IPv6 RA Guard feature can be spanned.
