Explanation
DCNM-LAN supports the following platforms:
*Cisco Nexus 1000V switches

*Cisco Nexus 2000 Fabric Extenders
*Cisco Nexus 3000 Series switches
*Cisco Nexus 4000 Series switches
*Cisco Nexus 5000 Series switches
*Catalyst 6500

DCNM-LAN provides limited support for the Catalyst 6500 Series switches that runs classic IOS version
12.2(33)SXI or higher.
-DCNM-LAN supports the viewing of the current configuration attributes of the device.

-DCNM-LAN does not support changing the configuration of the device.
-DCNM-LAN supports the Firewall Service Module (FWSM) version 4.0 or higher for the Catalyst 6500 Series switches.

*Cisco Nexus 7000 Series switches
Reference:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/5_2/configuration/guides/fund/DCNM-S ls/fund_overview.html