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The Cisco VPN Internal Service Module (VPN ISM) is a module for the Cisco Integrated Services Routers Generation 2 (ISR G2) that provides the capability to considerably increase performance for VPN encrypted traffic. The module has a multicore processor that operates independently of the host router resources, helping ensure maximum concurrent encrypted application performance while maintaining competitive performance for other types of traffic. The Cisco VPN ISM supports the latest versions of cryptography standards, including stronger National Security Agency (NSA) regulated cryptographic algorithms such as Suite B Cryptography.
The Cisco VPN ISM is ready to use, allowing quick and easy installation of the module for increasing VPN encryption performance on Cisco ISR G2 routers. The VPN ISM is compatible with all Cisco ISR G2 routers that support the ISM card slot and runs the same level of feature-rich functions as found on the Cisco ISR G2. It integrates all elements necessary to optimize branch-office IT infrastructure for delivery of encrypted application data from the data center and deployment of branch-office applications on demand, and houses them under a single chassis - the Cisco ISR G2.