Sierra Wireless AirLink RV50 Series User Manual page 134

ALEOS 4.9.0 Software Configuration User Guide for AirLink RV50 Series
Field
VRRP Enabled
VRRP — The VLAN ID, Group ID, and Virtual IP address must be the same on the VRRP Master and
VRRP Backup devices.
Interface
VLAN ID
Group ID
Priority
Virtual IP
Rev 1 Dec. 17
Description
Allows you to activate VRRP. Options are:
Enable
•
Disable (default)
•
Displays Ethernet port on AirLink gateway and the VLAN numbers
Displays the VLAN ID
This value is inherited from the LAN > VLAN screen. (See
0—VLAN is disabled
•
1– 4094—Valid range for VLAN ID
•
Enter the VRRP Group ID. Configure the VRRP Master (for example, the 3rd party router)
and the VRRP Backup (for example the AirLink gateway) with the same Group ID.
Options are:
0–255 (Default is 0.)
•
Use this field to configure the priority for the AirLink gateway.
The device with the highest priority (typically a 3rd party router) provides the primary data
traffic route. If the device loses its connection to the WAN, its priority number drops. If the
device fails, then when the failure is detected, the next highest priority router becomes the
active router.
The priority number configured on the VRRP Backup (typically the AirLink gateway) should
be less than the initial priority number on the VRRP Master and greater than the value that
the VRRP Master's priority number would be if it drops as a result of losing its WAN
connection.
For example, if the VRRP Master router has an initial priority number of 200 that drops to
80 if it loses its WAN connection, setting the AirLink gateway's priority to 100 ensures that it
becomes the primary route if the VRRP Master loses its WAN connection. When the 3rd
party router re-establishes its connection, its priority returns to 200 and it once again
becomes the primary route for data.
Options are:
1–255 (Default is 100.)
•
Configure the same virtual IP for the VRRP Backup (typically the AirLink gateway) and the
VRRP Master (typically a 3rd party router). The virtual IP must be unique within the VLAN
subnet and cannot be within a pool of addresses assigned via DHCP.
134
VLAN on page 129.)
41111088