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WAN Failover Backup
The WAN Failover Backup feature of NetComm Wireless 3G27WV-02 is designed to provide a backup mobile broadband Internet
connection in the event that 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 mobile
broadband WAN connection.
To set up WAN failover on your NetComm Wireless 3G27WV-02, first set the "Automatic 3G Backup" to Enable and complete the
fields that are required for the Mobile Broadband service you intend to use.
OPTION
Automatic 3G Backup
Auto-APN
3G NAT
Interface Metric
Internet Host
Second Address
Periodic PING Timer
Periodic PING Accelerated Timer
Fail Count
The Periodic Ping Reset Monitor configures the router to transmit controlled ping packets to 2 specified hostnames or IP
addresses. Should the router not receive responses to the pings, the router will reboot.
This works as follows:
1.
After every "Periodic Ping Timer" configured interval, the router sends 3 consecutive pings to the "Internet Host".
2.
If all 3 pings fail the router sends 3 consecutive pings to the "Second Address".
3.
The router then sends 3 consecutive pings to the "Internet Host" and 3 consecutive pings to the "Second Address" every
"Periodic Ping Accelerated Timer" configured interval.
4.
If all accelerated pings in step 3 above fail the number of times configured in "Fail Count", the router reboots.
5.
If any ping succeeds the router returns to step 1 and does not reboot.
How to disable the Periodic Ping Monitor
To disable the Periodic Ping Reset Monitor simply set to "Fail Count" 0.
Note: The traffic generated by the periodic ping feature is counted as chargeable usage, please keep this in mind when
selecting how often to ping.
Click Apply to save any changes you make to the settings.
www.netcommwireless.com
Figure 25 - Advanced View - WAN Failover Settings
The default setting is "Disable". Select "Enable" if you intend to utilise the Automatic 3G Backup function.
Enables or disables the router from automatically detecting the most appropriate Access Point Name to
use for the mobile broadband connection.
Enable NAT on the 3G connection.
The metric value helps the router to prioritise routes. Only change this value if you are aware of the effect
your changes will have.
The internet host to ping in order to test the status of the connection.
An alternative address to ping in order to test the status of the connection.
The number of seconds between ping attempts to the Internet Host address.
The number of seconds between ping attempts to the Internet Host address when 3 consecutive pings to
Internet Host fail.
The number of times that 3 consecutive accelerated pings must fail before the router reboots. Set this to 0
to disable the reboot function.
Table 17 - Advanced View - WAN Failover Settings
DESCRIPTION
NetComm Wireless 3G27WV-02 User Guide
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