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74-9
Cisco ASA 5500 Series Configuration Guide using ASDM
Chapter 74 Monitoring VPN
VPN Statistics
Encryption Statistics
Monitoring > VPN > VPN Statistics > Encryption Statistics
This pane shows the data encryption algorithms used by currently active user and administrator sessions
on the ASA. Each row in the table represents one encryption algorithm type.
Fields
• Show Statistics For—Selects a specific server or group or all tunnel groups.
• Encryption Statistics—Shows the statistics for all the data encryption algorithms in use by currently
active sessions.
–
Encryption Algorithm—Lists the encryption algorithm to which the statistics in this row apply.
–
Sessions—Lists the number of sessions using this algorithm.
–
Percentage—Indicates the percentage of sessions using this algorithm relative to the total active
sessions, as a number. The sum of this column equals 100 percent (rounded).
• Total Active Sessions—Shows the number of currently active sessions.
• Cumulative Sessions—Shows the total number of sessions since the ASA was last booted or reset.
• Refresh—Updates the statistics shown in the Encryption Statistics table.
Global IKE/IPsec Statistics
Monitoring > VPN > VPN Statistics > Global IKE/IPSec Statistics
This pane displays the global IKE/IPsec statistics for currently active user and administrator sessions on
the ASA. Each row in the table represents one global statistic.
Fields
• Show Statistics For—Selects a specific protocol, IKE Protocol (the default) or IPsec Protocol.
• Statistics—Shows the statistics for all the protocols in use by currently active sessions.
–
Statistic—Lists the name of the statistical variable. The contents of this column vary, depending
upon the value you select for the Show Statistics For parameter.
–
Value—The numerical value for the statistic in this row.
• Refresh—Updates the statistics shown in the Global IKE/IPsec Statistics table.
NAC Session Summary
The NAC Session Summary pane lets you view the active and cumulative Network Admission Control
sessions.
Fields
• Active NAC Sessions—General statistics about remote peers that are subject to posture validation.
• Cumulative NAC Sessions—General statistics about remote peers that are or have been subject to
posture validation.
• Accepted—Number of peers that passed posture validation and have been granted an access policy
by an Access Control Server.