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Catalyst 3750-X and 3560-X Switch Command Reference
OL-29704-01
Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands
ipv6 traffic-filter
ipv6 traffic-filter
Use the ipv6 traffic-filter interface configuration command on the switch stack or on a standalone
switch to filter IPv6 traffic on an interface. The type and direction of traffic that you can filter depends
on the feature set running on the switch stack. 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 you have configured a dual IPv4 and IPv6 Switch Database
Management (SDM) template on the switch. The command is not supported on switches running the
LAN base feature set.
Syntax Description
Defaults Filtering of IPv6 traffic on an interface is not configured.
Command Modes Interface configuration
Command History
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).
You can apply an ACL to outbound or inbound traffic on Layer 3 interfaces (port ACLs), or to inbound
traffic on Layer 2 interfaces (router 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.
access-list-name Specify an IPv6 access name.
in Specify incoming IPv6 traffic.
out Specify outgoing IPv6 traffic.
Note The out keyword is not supported for Layer 2 interfaces (port
ACLs).
Release Modification
12.2(53)SE2 This command was introduced.
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