See the Cisco web site for details [http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a00801a75a7.html]

This must be a big plus for the [Tcl] community. Thousands of people use [Cisco]'s IOS (Internetworking Operating System) to configure their Cisco products. From what I can tell it looks as though it will be available across all platforms that run the Cisco IOS.