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RV320 restart and behave unstable after failover from WAN to USB3G modem.

I've setup a RV320 router with a 500Mbps internet link and a 3G modem in Hot standby mode.

But when I try to unplug the WAN and it failover to the 3G internet connection, the RV 320 behave very unstable and it frequently either

1. crash and restart and end up not able to access via webgui without network connectivity(All Led still remains on). 

2. Fail over to 3G, works for a period of time, crash and restart.


For recover back from 3G modem to WAN, it usually able to fall back to WAN but crash and restart after a period of time, sometime after it restarted, the RV320 no longer respond, and webgui not available again. even it has down, all LED remains on and it looks still functioning.

Do you encounter similar problem and how do you fix it?


Can anyone from Cisco can help to fix this in next version firmware? I'm ok to help collect information from my RV320 for troubleshoot the problem.

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