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Chapter 34 Device HA
ZyWALL USG 100/200 Series User’s Guide
587
34.8 Device HA Technical Reference
Legacy Mode ZyWALL VRRP Application
In VRRP, a virtual router represents a number of ZyWALLs associated with one IP address,
the IP address of the default gateway. Each virtual router is identified by a unique 8-bit
identification number called a Virtual Router ID (VR ID). In the example below, ZyWALL A
and ZyWALL B are part of virtual router 10 with IP address 192.168.10.254.
Preempt This field is available if the selected interface is a Backup interface. Select this if
the selected interface should become the master interface if a lower-priority
interface is the master when this one is enabled. (If the role is Master, the interface
preempts by default.)
Virtual Router
Settings
Click Advanced to display more settings. Click Basic to display fewer settings.
VRID Type the virtual router ID number.
Virtual Router IP
(VRIP) / Subnet
Mask
Type the interface’s IP address and subnet mask in the virtual router.
Authentication Select the authentication method used in the virtual router. Every interface in a
virtual router must use the same authentication method and password. Choices
are:
None - this virtual router does not use any authentication method.
Text - this virtual router uses a plain text password for authentication. Type the
password in the field next to the radio button. The password can consist of
alphanumeric characters, the underscore, and some punctuation marks (+-/*= :; .!
@$&%#~ ‘ \ () ), and it can be up to eight characters long.
IP AH (MD5) - this virtual router uses an encrypted MD5 password for
authentication. Type the password in the field next to the radio button. The
password can consist of alphanumeric characters, the underscore, and some
punctuation marks (+-/*= :; .! @$&%#~ ‘ \ () ), and it can be up to eight characters
long.
See Authentication Types on page 295 for more information about authentication
methods.
OK Click OK to save your changes back to the ZyWALL.
Cancel Click Cancel to exit this screen without saving your changes.
Table 189 Device HA > Legacy Mode > Add (continued)
LABEL DESCRIPTION