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15-9
Cisco ASDM User Guide
OL-16647-01
Chapter 15 High Availability
Configuring Failover with the High Availability and Scalability Wizard
You need to convert both the current security appliance and the peer security appliance to multiple
context mode before you can proceed.
Fields
• Change device To Multiple Context—Causes the security appliance to change to multiple context
mode. device is the hostname of the security appliance.
• Change device (peer) To Multiple Context—Causes the peer unit to change to multiple context
mode. device is the hostname of the security appliance.
• Device Status—(Display only) Displays the status of the security appliance while converting to
multiple context mode.
Modes
The following table shows the modes in which this feature is available:
Select Failover Communication Media
The Select Failover Communication Media appears only on PIX 500 series security appliances. This
screen lets you select between using a failover cable or LAN-based connection for the failover link.
Fields
• Use Failover Cable—Choose this option to use a dedicated failover cable for failover
communication.
• Use LAN-based connection—Choose this option to use a network connection for failover
communication.
Modes
The following table shows the modes in which this feature is available:
Security Context Configuration
The Security Context Configuration screen appears for Active/Active configuration only. The Security
Context Configuration screen lets you assign security contexts to failover groups. It displays the security
contexts currently configured on the device and lets you add new ones or remove existing ones as needed.
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• • •— •
Firewall Mode Security Context
Routed Transparent Single
Multiple
Context System
• • •— •