# Creating or Modifying Classifier Control Lists for IPv6 Policy Lists

You can create or modify a classifier control list that can be used only in IPv6 policy lists.

- Issue the ipv6 classifier-list command:
  host1(config)#ipv6 classifier-list ipv6classifier color red user-packet-class 5 tcfield 10 host1(config)#ipv6 classifier-list YourListName udp destination-port eq 75 host1(config)#ipv6 classifier-list telnetConnects tcp destination-port eq 23 tcp-flags "syn & !ack" host1(config)#ipv6 classifier-list listname icmpv6 icmp-type 3 icmp-code 6 host1(config)#ipv6 classifier-list svale20 source-route-class 1 host1(config)#ipv6 classifier-list svale30 destination-route-class 1 tcfield 10 host1(config)#ipv6 classifier-list svale40 source-route-class 1 local true host1(config)#ipv6 classifier-list west25 source-route-class 1 local false host1(config)#ipv6 classifier-list YourClaclList source-host 2001:db8:1::8001 destination-address 2001:db8:3::/48

#### Related Documentation

- ipv6 classifier-list