Specifications

Troubleshooting
90
LTE Broadband 11n Wireless Router MBR1515
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If the path is not working correctly, you could have one of the following problems:
• W
rong physical connections
- Make
sure that the LAN LED is on. If the LED is off, follow the instructions in
Connect to the Internet on p
age 88.
- Check t
hat the corresponding link LEDs are on for your network interface card and
for the hub ports (if any) that are connected to your workstation and router.
• W
rong network configuration
- V
erify that the Ethernet card driver software and TCP/IP software are both
installed and configured on your computer or workstation.
- V
erify that the IP address for your router and your workstation are correct and that
the addresses are on the same subnet.
Test the Path from Your Computer to a Remote Device
After verifying that the LAN path works correctly, test the path from your computer to a remote
device.
 To test the path:
1. From the Win
dows toolbar, click the Start button, and select Run.
2. In
the Windows Run window, type:
ping -n 10 IP ad
dress
where IP a
ddress is the IP address of a remote device such as your ISP DNS server.
If the path is functioning correctly, replies as in
the previous section are displayed. When you
do not receive replies:
• Check that you
r computer has the IP address of your router listed as the default router. If
the IP configuration of your computer gets assigned by DHCP, this information is not
visible in your computer’s Network Control Panel. Verify that the IP address of the router
is listed as the default router.
• Make sure tha
t the network address of your computer (the portion of the IP address
specified by the netmask) is different from the network address of the remote device.
• Check that
your cable or DSL modem is connected and functioning.
• If your ISP assig
ned a host name to your computer, enter that host name as the account
name in the Basic Settings screen.
• Y
our ISP could be rejecting the Ethernet MAC addresses of all but one of your computers.
Many broadband ISPs restrict access by allowing only traffic from the MAC address of
your broadband modem, but some ISPs additionally restrict access to the MAC address
of a single computer connected to that modem. If so, you need to configure your router to
clone or spoof the MAC address from the authorized computer.