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C7200 VSA (VPN Services Adapter) Installation and Configuration Guide
OL-9129-02
Chapter 2 Preparing for Installation
Online Insertion and Removal (OIR)
• The VSA module does not support Online Insertion and Removal (OIR). See “Enabling/Disabling
the VSA” section on page 1-6 for details.
• Per packet count details for crypto map ACL are not displayed when the show access-list command
is entered.
Use other counters, such as the output from the show crypto ipsec sa and show crypto engine
accelerator statistics 0 commands, to determine if the VSA is processing the packets.
• An anti-replay window size of 1024 is not supported.
Online Insertion and Removal (OIR)
The VSA plugs into the I/O controller slot of the Cisco 7200VXR series chassis. The VSA crypto card
does not support OIR. The VSA boots up only during system initialization. The VSA will not work if it
is inserted after the system is up and running. The VSA can be shut down by a disabling CLI command
(see “Enabling/Disabling the VSA” section on page 1-6). The VSA is ready for removal after the
disabling CLI command is executed.
Caution You could damage the VSA, if you remove the VSA without entering the CLI command.
Before removing the VSA, we recommend that you shut down the interface so that there is no traffic
running through the VSA when it is removed. Removing an VSA while traffic is flowing through the
ports can cause system disruption.
For more information on OIR, go to “Enabling/Disabling the VSA” section on page 1-6.
Safety Guidelines
This section provides safety guidelines that you should follow when working with any equipment that
connects to electrical power or telephone wiring. This section includes the following topics:
• Safety Warnings, page 2-3
• Electrical Equipment Guidelines, page 2-4
• Preventing Electrostatic Discharge Damage, page 2-4
Safety Warnings
Safety warnings appear throughout this publication in procedures that, if performed incorrectly, might
harm you. A warning symbol precedes each warning statement.
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations.
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution
when servicing.
Blank faceplates and cover panels serve three important functions: they prevent exposure to