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Updated:March 13, 2015
Q. What is the Cisco
® VPN Services Adapter?
A. The Cisco VPN Services Adapter (VSA) is the latest IPsec VPN acceleration card for the Cisco 7200 Series routers that provides increased IPsec encryption performance over the existing Cisco VPN Acceleration Module 2+ (VAM2 +).
Q. How is the Cisco VSA different from other service adapters such as the VAM2+?
A. The Cisco VSA is an adapter card that fits only into the I/O controller slot 0 of the Cisco 7200 Series routers.
Q. Does the Cisco VSA have to be used with the Cisco 7200 Series NPE-G2 Network Processing Engine?
A. Yes, the Cisco VSA can only be used with the NPE-G2.
Q. How many VSAs can be used in one Cisco 7200 Series router?
A. One, because one Cisco VSA fits into the only I/O slot 0 of the Cisco 7200 Series router.
Q. Can I use the Cisco VSA and a VAM2+ in one chassis for additional performance?
A. No, if a VAM2+ is also inserted in a port adapter slot while the VSA is in the I/O slot, the VAM2+ will automatically be disabled.
Q. What is the performance of the Cisco VSA?
A. The VSA supports up to 960Mbps for 1400-byte packets with 1000 active tunnels.
Q. Does the VSA take up any bandwidth points on the Cisco 7200 Series router?
A. No, the VSA fits into the the I/O controller slot, conserving valuable bandwidth point for use with other Port Adaptors.