Chapter 25 Device HA
25.4.2 Active-Passive Mode Device HA Command Example
This example configures a ZyWALL to be a master ZyWALL for
Router(config)#
Router(config)#
Router(config)#
25.5 Legacy Mode (VRRP) Device HA
This section covers device HA using VRRP, VRRP groups, and synchronization.
Virtual Router Redundancy Protocol (VRRP) Overview
Every computer on a network may send packets to a default gateway, which can become a single point of failure. Virtual Router Redundancy Protocol (VRRP), allows you to create redundant backup gateways to ensure that the default gateway is always available. The ZyWALL uses a custom VRRP implementation and is not compatible with standard VRRP.
VRRP Group Overview
In the ZyWALL, you should create a VRRP group to add one of its interfaces to a virtual router. You can add any Ethernet interface, VLAN interface, or virtual interface (created on top of Ethernet interfaces or VLAN interfaces) with a static IP address. You can only enable one VRRP group for each interface, and you can only have one active VRRP group for each virtual router.
25.6 Legacy Mode (VRRP) Device HA Commands
The following table identifies the values required for many
Table 127 Input Values for
LABELDESCRIPTION
vrrp_group_name The name of the VRRP group. The name can consist of alphanumeric characters, the underscore, and the dash and may be up to fifteen alphanumeric characters long.
The following sections list the
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