Wan Failover Backup - NetComm 3G22WV User Manual

WAN Failover Backup

The WAN Failover Backup feature of the NetComm Wireless 3G22WV is designed to provide a backup Mobile Broadband (MBB)
Internet connection in the event your primary Ethernet WAN connection should fail.
To use this feature, you will need both an Ethernet WAN connection (from an xDSL modem/ISDN/Satellite etc.) and a MBB WAN
connection.
FIELD
There are four possible options that the WAN Failover Connection Type can be set to:
Connection Type
There are two possible options that the WAN Failover MBB Connection can be set to:
MBB Connection
Destination Address The address to ping in order to test the status of the internet connection.
Second Address The alternate address to ping in order to test the status of the internet connection.
Periodic PING Timer The interval at which a periodic ping request is sent to the destination address or the second address.
Periodic PING When 4 consecutive pings to the destination and the second address fail, the router will send 4 consecutive pings to both
Accelerated Timer destination and second addresses at this interval.
Fail Count The number of times accelerated pings can fail before the router reboots.
Success Count The number of pings that can succeed before the router returns to periodic pings and does not reboot.
3G22WV – 3G WiFi Router with Voice User Guide
29
Figure 28 - Failover Settings
MBB (Mobile Broadband) Failover if WAN link is down – If the fixed line connection through the WAN port fails the

Mobile Broadband will connect to the internet. This is the default settings.
MBB Failover with WAN ping – The 3G22WV sends ping requests to a specified Internet Host to verify whether the

Internet connection is online and functioning. The Fail Count specifies how many successive ping attempts can fail
before the 3G22WV fails over to the Mobile broadband Internet WAN connection while the Success Count specifies
how many ping attempts must succeed in order to reset the Fail counter.
WAN Only – Only the WAN port connection is used. The Mobile Broadband Connection is disabled effectively

disabling the WAN failover function.
MBB Only – Only the MBB connection is used. The WAN port connection is disabled.

Always On – Although the router does not use the Mobile Broadband (MBB) connection when the WAN connection is

available, the MBB connection will always be online as a backup connection. This allows the router to fail over quickly
to the existing MBB connection, however may result in MBB carrier charges.
 Dial When Required – The router dials the Mobile Broadband (MBB) connection when the MBB connection is required.
The router will also automatically disconnect MBB connection if the connection becomes unnecessary.
Table 20: Advanced View - WAN Failover Settings
DESCRIPTION
www.netcommwireless.com