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15-19
Cisco ASDM User Guide
OL-16647-01
Chapter 15 High Availability
Field Information for the Failover Panes
Failover: Interfaces (Transparent Firewall Mode)
Use this tab to define the standby management IP address and to specify whether the status of the
interfaces on the security appliance should be monitored.
Fields
• Interface—Lists the interfaces on the security appliance and identifies their monitoring status.
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Interface Name column—Identifies the interface name.
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Is Monitored column—Specifies whether this interface is monitored for failure.
• Edit—Displays the Edit Failover Interface Configuration (Transparent Firewall Mode) dialog box
for the selected interface.
• Management IP Address—Identifies the active and standby management IP addresses for the
security appliance or for a context in transparent firewall mode.
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Active—Identifies the active management IP address.
–
Standby—Specifies the management IP address on the standby failover unit.
• Management Netmask—Identifies the mask associated with the active and standby management IP
addresses.
Modes
The following table shows the modes in which this feature is available:
For More Information
For more information about failover in general, see Understanding Failover.
Edit Failover Interface Configuration (Transparent Firewall Mode)
Use the Edit Failover Interface Configuration dialog box to specify whether the status of the interface
should be monitored.
Fields
• Interface Name—Identifies the interface name.
• Monitor interface for failure—Specifies whether this interface is monitored for failure. The number
of interfaces that can be monitored for the security appliance is 250. Hello messages are exchanged
between the security appliance failover pair during every interface poll time period. Monitored
failover interfaces can have the following status:
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Unknown—Initial status. This status can also mean the status cannot be determined.
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Normal—The interface is receiving traffic.
–
Testing—Hello messages are not heard on the interface for five poll times.
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Link Down—The interface is administratively down.
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
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