* Up to 2 GB available for use; upgrade to 4 GB will be available in future.
** LAN switching counts for the Cisco 2911 through Cisco 3945 and Cisco 3945E routers are based on the latest generation of switch service modules.
*** Scales to documented phone support in 15.01 rebuild.
**** Enabled via security license for the Universal IOS image. IPS and content filtering need additional subscription licenses.