
Chapter 6
6-2
Synchronizing configurations between units
Once you complete the initial configuration on the first unit in the system,
you can synchronize the configurations between the active unit and the
standby unit. When you synchronize a configuration, the following
configuration files are copied to the other BIG-IP:
•The common BIG/db keys
• All files in /config (except bigip_base.conf)
If you use command line utilities to set configuration options, be sure to
save the current configuration to the file before you use the configuration
synchronization feature. (Alternately, if you want to test the memory version
on the standby unit first, use bigpipe config sync running.)
Use the following bigpipe command to save the current configuration:
b save
Note
The BIG-IP software creates a file named /usr/local/ucs/cs_backup.ucs
prior to installing a configuration file (UCS) from a remote machine.
To synchronize the configuration using the Configuration
utility
1. In the navigation pane, click System.
The Network Map screen opens.
2. Click the Redundant Properties tab.
The Redundant Properties screen opens.
3. Click the Synchronize Configuration button.
To synchronize the configuration from the command line
Synchronize the configuration from the command line using the bigpipe
config sync command. Use the bigpipe config sync command without the
all option to synchronize only the boot configuration file /config/bigip.conf.
Setting a dominant
BIG-IP
You can set up one unit in a pair to be the dominant active BIG-IP. The unit you set up as
the dominant BIG-IP will always attempt to be active.
Active-active
configuration
The default mode for a BIG-IP redundant system is Active/Standby. However, you can
configure both units to run in active mode.
Attributes Description
Table 6.1 The attributes you can configure for redundant systems
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