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Chapter 26 Device HA
ZyWALL 110/310/1100 Series User’s Guide
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3 Enable the bridge interface on the master ZyWALL and then on the backup ZyWALL.
4 Connect the ZyWALLs.
Synchronization
During synchronization, the master ZyWALL sends the following information to the backup ZyWALL.
• Startup configuration file (startup-config.conf)
• Certificates (My Certificates, and Trusted Certificates)
Synchronization does not change the device HA settings in the backup ZyWALL.
Synchronization affects the entire device configuration. You can only configure one set of settings
for synchronization, regardless of how many VRRP groups you might configure. The ZyWALL uses
Secure FTP (on a port number you can change) to synchronize, but it is still recommended that the
backup ZyWALL synchronize with a master ZyWALL on a secure network.
The backup ZyWALL gets the configuration from the master ZyWALL. The backup ZyWALL cannot
become the master or be managed while it applies the new configuration. This usually takes two or
three minutes or longer depending on the configuration complexity.
The following restrictions apply with active-passive mode.
• The master ZyWALL must have no inactive monitored interfaces.
B
A
Br0 {ge4, ge5}
Br0 {ge4, ge5}
B
A
Br0 {ge4, ge5}
Br0 {ge4, ge5}