Before You Start - ZyXEL Communications ZYWALL USG 2000 Manual

Chapter 6 Tutorials
interfaces connected), it resumes its role as the master and takes over all of its
functions again.
Figure 94 Device HA: Master Fails and Backup Takes Over
Each ZyWALL's ge1 interface also has a separate management IP address that
stays the same whether the ZyWALL functions as the master or a backup. ZyWALL
A's management IP address is 192.168.1.3 and ZyWALL B's is 192.168.1.5.
Figure 95 Device HA: Management IP Addresses

6.7.1 Before You Start

ZyWALL A should already be configured. You will use device HA to copy ZyWALL
A's settings to B later (in
conflict, do not connect ZyWALL B to the LAN subnet until after you configure its
device HA settings and the instructions tell you to deploy it (in
page 145).
142
LAN
192.168.1.1
192.168.1.1
LAN
192.168.1.3
192.168.1.5
Section 6.7.3 on page
A
1.1.1.1
B
1.1.1.1
A
B
144). To avoid an IP address
ZyWALL USG 2000 User's Guide
Section 6.7.4 on