Cisco WS-C3560E-48PD-SF Command Reference - Page 229

Chapter 2 Catalyst 3560 Switch Cisco IOS Commands ipv6 traffic-filter ipv6 traffic-filter Use the ipv6 traffic-filter interface configuration command to filter IPv6 traffic on an interface. You can filter both incoming or outgoing IPv6 traffic on Layer 3 interfaces (router ACLs), but only incoming traffic on Layer 2 interfaces (port ACLs). Use the no form of this command to disable the filtering of IPv6 traffic on an interface. ipv6 traffic-filter access-list-name {in | out} no ipv6 traffic-filter access-list-name {in | out} Note This command is available only if the switch is running the advanced IP services image and you have configured a dual IPv4 and IPv6 Switch Database Management (SDM) template on the switch. Syntax Description access-list-name in out Specify an IPv6 access name. Specify incoming IPv6 traffic. Specify outgoing IPv6 traffic. Note This keyword is not supported on Layer 2 interfaces. Defaults Filtering of IPv6 traffic on an interface is not configured. Command Modes Interface configuration Command History Release 12.2(25)SED Modification This command was introduced. Usage Guidelines To configure the dual IPv4 and IPv6 template, enter the sdm prefer dual-ipv4-and-ipv6 {default | vlan) global configuration command and reload the switch. You can use the ipv6 traffic-filter command on physical interfaces (Layer 2 or Layer 3 ports), Layer 3 port channels, or switch virtual interfaces (SVIs). The switch supports inbound and outbound filtering on Layer 3 interfaces (router ACLs), but only inbound filtering on Layer 2 ports (port ACLs). If any port ACL (IPv4, IPv6, or MAC) is applied to an interface, that port ACL is used to filter packets, and any router ACLs attached to the SVI of the port VLAN are ignored. 78-16405-05 Catalyst 3560 Switch Command Reference 2-197