Cisco Catalyst 3560 - IPv6

A quick tip on IPv6 support in a Cisco 3560 Switch, unlike other devices (such as the 3750) the default configuration of the 3560 switch has all IPv6 functionality disabled, 
In order to enable the IPv6 on this Catalyst all we need to do is apply the correct template on the device
this can be achieved by running the following command from Global config mode

sdm preferdual-ipv4-and-ipv6 {default |routing | vlan}

After we apply the template the device needs to be rebooted, take into consideration the boot will  take about 8-10 minutes...

to read more about this - Visit Cisco's article on the matter: http://www.cisco.com/en/US/docs/switches/lan/catalyst3750x_3560x/software/release/12.2_53_se/configuration/guide/swipv6.html#wp1059828

Hope this post was helpful, If it was please consider a donation:
BTC Address: 1CnyMpjd1RntRDxSus2hu2aDMyzL4Kj29N
LTC Address: LUqrKbzGihTU2GEnL3EwsuuLHCsxCJMdtR