ZyXEL Communications Version 1.03 Switch User Manual


 
Chapter 19 IP Configuration
NetAtlas Workgroup User’s Guide
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19.9 VRRP
Virtual Router Redundancy Protocol (VRRP), defined in RFC 2338, allows you to create
redundant backup gateways to ensure that the default gateway of a host is always available.
In VRRP, a virtual router (VR) represents a number of physical layer-3 devices. An IP address
is associated with the virtual router. A layer-3 device having the same IP address is the
preferred master router while the other Layer-3 devices are the backup routers. The master
router forwards traffic for the virtual router. When the master router becomes unavailable, a
backup router assumes the role of the master router until the master router comes back up and
takes over.
19.9.1 Configuring Interface VRRP Settings
Follow the steps below to configure VRRP settings on an interface.
1 In the Device Panel list, right-click on a device.
2 Click Configuration > IP Configuration > VRRP.
Figure 160 IP Configuration: VRRP
Add Click Add to apply the changes and close this screen.
Cancel Click Cancel to discard all changes and close this screen.
Table 121 IP Configuration: OSPF: New Interface (continued)
LABEL DESCRIPTION