
ZyWALL 1050 Support Notes
132
All contents copyright (c) 2006 ZyXEL Communications Corporation.
1.7 Device High Availability
In the Global or multi-site Enterprise network deployment, reliability is another major
concern while planning a VPN deployment.
ZyWALL 1050 provides advanced features to support the following scenarios to
achieve high availability of the VPN infrastructure.
The benefits for the customer are
‧ Dealing with the impact of unreliable WAN connectivity
‧ Mitigates the impact of Single Point of Failure
Below is the Application topology. The L3 switch is configured to three VLANs to simulate
the internet environment and the traffic can be routed between each VLAN.
ZyWALL 1050 (Master)
Resilience of WAN connectivity – VPN HA
supports redundant gateway so that the
network path of VPN can always be available
Remote Site 1
M
in
ffi
ZyWALL 2 Plus
Z
WALL 1050
Mitigate the impact of Single Point of Failure –
device HA greatly reduces the device downtime
and
uarantees the non-sto
o
eration
ZyWALL 35
Remote Site 2
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