ZyXEL Communications VMG5313-B10A/ VMG5313-B30A User Manual

 Chapter 40 Troubleshooting

VMG5313-B10A/-B30A Series User’s Guide

Make sure you have the Ethernet WAN port connected to a MODEM or Router.

Make sure you converted LAN port number four as WAN. Click Enable in Network Setting > 
Broadband > Ethernet WAN screen.

Make sure you configured a proper EthernetWAN interface (Network Setting > Broadband 
screen) with the Internet account information provided by your ISP and that it is enabled.

Check that the WAN interface you are connected to is in the same interface group as the Ethernet 
connection (Network Setting > Interface Group).

If you set up a WAN connection using bridging service, make sure you turn off the DHCP feature in 
the LAN screen to have the clients get WAN IP addresses directly from your ISP’s DHCP server.

I cannot connect to the Internet using a 3G connection.

The DSL and Ethernet connections have priority in that order. If the DSL or Ethernet connection is 
up, then the 3G connection will be down.

Make sure you have connected a compatible 3G dongle to the USB port.

Make sure you have configured Network Setting > Broadband > 3G Backup correctly.

Check that the VMG is within range of a 3G base station.

I cannot access the VMG anymore. I had 

access to the  VMG, but my connection is not available anymore.

Your session with the VMG may have expired. Try logging into the VMG again.

Check the hardware connections, and make sure the LEDs are behaving as expected. See the 
Quick Start Guide and 

Turn the VMG off and on.

If the problem continues, contact your vendor. 

What factors may cause intermittent or unstabled wireless connection? How can I solve this 

problem?

The following factors may cause interference:

• Obstacles: walls, ceilings, furniture, and so on.