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User Guide for Cisco Security Manager 4.4
OL-28826-01
Chapter 49 Configuring Failover
Failover Policies
Navigation Path
You can access the Settings dialog box by clicking the Settings button on the Failover Page (ASA/PIX
7.0+), page 49-17.
Note The following reference table presents all fields that can be presented in the Settings dialog box. The
fields actually presented depend on operating mode (routed or transparent) and whether the device is
hosting single or multiple contexts.
Related Topics
• Failover Policies, page 49-10
• Edit Failover Interface Configuration Dialog Box, page 49-23
• Add/Edit Interface MAC Address Dialog Box, page 49-22
• Bootstrap Configuration for LAN Failover Dialog Box, page 49-26
Field Reference
Table 49-7 Settings Dialog Box
Element Description
Interface Policy
Number of failed interfaces When the number of failed monitored interfaces exceeds this value, the
security appliance fails over. The range is between 1 and 250 failures.
Percentage of failed
interfaces
When the number of failed monitored interfaces exceeds this
percentage, the security appliance fails over.
Failover Poll Time
Unit Failover The amount of time between hello messages among units. The range is
between 1 and 15 seconds, or between 200 and 999 milliseconds if the
Change units to msec option is checked.
Unit Hold Time Sets the time during which a unit must receive a hello message on the
failover link, or the unit begins the testing process for peer failure. The
range is between 3 and 45 seconds, or between 800 and 999
milliseconds if the msec option is checked. You cannot enter a value
that is less than three times the Unit Failover value.
Monitored Interface The amount of time between polls among interfaces. The range is
between 3 and 15 seconds, or between 500 and 999 milliseconds if the
msec option is checked.
Interface Hold Time Sets the time during which a data interface must receive a hello
message, after which the peer is declared failed. Valid values are from
5 to 75 seconds. This value must be at least five times the Unit Failover
value.
Failover Groups
In Active/Active mode, this table lists both failover groups. To edit failover parameters for either
group, select it in the list and click the Edit Row button to open the Edit Failover Group Dialog Box,
page 49-24.