Cisco router security bundles deliver security features such as Cisco IOS Software-based intrusion prevention systems (IPSs), firewall, URL filtering, VPN, & infrastructure security services over numerous WAN access technologies, offering high levels of performance, security, scalability, & availability to meet today's growing business requirements. Cisco Catalyst 6500 Series security bundles are based on the Cisco Catalyst 6500 Series E chassis & the Cisco 7600 Series/ Catalyst 6500 Series IPSec VPN Shared Port Adapter (SPA), Cisco Catalyst 6500 Supervisor Engine 32 PISA, or Cisco Catalyst 6500 Series Firewall Services Module. Cisco 7600 Series security bundles are based on the Cisco 7600 Series E chassis & the IP Security (IPsec) VPN SPA. Cisco ASR 1000 Series Aggregation Services Router security bundles are available for the Cisco ASR 1002, ASR 1004, & ASR 1006 chassis & include the respective Cisco IOS XE feature licenses without the need for additional hardware support in the form of security blades or modules.