User manual

xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
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disable the backup router from becoming the Master router. This setting must be
consistent with all routers participating within the same VRRP group. The default
setting is True.
Critical IP Address
Enter the IP address of the physical device that will provide the most direct route to
the Internet or other critical network connections from this virtual router. This must be
a real IP address of a real device on the network. If the connection from the virtual
router to this IP address fails, the virtual router will automatically disabled. A new
Master will be elected from the backup routers participating in the VRRP group.
Different critical IP addresses may be assigned to different routers participating in the
VRRP group, and can therefore define multiple routes to the Internet or other critical
network connections.
Checking Critical IP
Use the pull-down menu to enable or disable the Critical IP address entered above.
Click Apply to implement changes made.
To view the settings for a particular VRRP setting, click the corresponding in the VRRP
Interface Table of the entry, which will display the following:
Figure 8- 48. VRRP Interface Entry Display window
This window displays the following information:
Parameter Description
Interface Name
An IP interface name that has been enabled for VRRP. This entry must have been
previously set in the IP Interface Settings table.