Explanation/Reference: Explanation: The command "ipv6 traffic-filter access-list-name { in | out }" applies the access list to incoming or outgoing traffic on the interface. Reference: http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12-2_55_se/ configuration/guide/scg3750/swv6acl.html