Cisco Enterprise Routing bundles support the delivery of application and services such as integrated Voice, Security, WAN application acceleration and Wireless services over numerous WAN access technologies, offering the highest levels of performance, security, scalability, and availability to meet today's growing business requirements.This Cisco 2821 Integrated Services Router WAN Application Acceleration Bundle includes Cisco 2821, Cisco Wide Area Application Services (WAAS) Network Module (NME-WAE-502-K9), and Cisco WAAS 4.0 NM SW image (SF-WAAS-4.0-NM-K9).