ZyXEL Communications NBG410W3G Series - Manual (Page 15)

NBG410W3G Support Note
All contents copyright (c) 2008 ZyXEL Communications Corporation.
15
Deploy 3G network as backup WAN in a wired environment
Scenario Topology
In this scenario, we present that 3G wireless of NBG410W3G series broadband router as backup WAN
link while users have deployed their main wired WAN connection to internet. Additionally, end users can
use their Wi-Fi network to access WLAN provided by NBG410W3G series broadband routers.
Configuration procedure
Since this scenario can be applied in NBG410W3G series broadband routers, the only difference is in 3G
wireless card. As for the installation of 3G wireless in NBG412W3G, please refer to the chapter “Utilize
3G network as major WAN for accessing Internet.”
The following procedure also can be applied in NBG412W3G router.
Configuring steps:
„ Check status of WAN1 and WAN2
„ Configure WAN1 setting
„ Configure WAN2, 3G wireless network, parameters
„ Test WAN1 connection
„ Test WAN2 connection once WAN1 is disconnected