Filter IPv6 traffic by creating IPv6 Access Control Lists (ACLs) and applying them to the interfaces similar to the way that you create and apply IPv4 named ACLs.
enable
configure terminal
ipv6 fhs ipv6-access-list ipv6_acl_1 fe80:0:0:0:cef9:54ff:feb4:9481/128 mode allow
ipv6 fhs ipv6-access-list ipv6_acl_1 fe80:0:0:0:cef9:54ff:feb4:9481/128 mode allow
Create a First Hop Security MAC ACL.