AT&T Inidv2 I3812v Urer Guide

Configuring LAN Devices
87
4.Click IP Address Allocation; a page similar to the following opens, displaying the devices in your 
network.
5.Go to the intended device and select the following to override the default DHCP settings: 
−Select the address or address pool from which you want to select an IP address from the 
WAN IP 
Mapping
 drop-down list. 
−Select the specific address or address type to assign from the 
Address Assignment drop-down list.
6.Click Save.  

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Selecting DSL Lines
The default DSL line selection is Dual for bonded lines. Changing the DSL line to Line 1 or Line 2 will 
terminate your Internet connection. To reconnect, you need to change the DSL line selection to 
Dual then 
reboot the unit. 
1.Open a Web browser and enter http://gateway.2Wire.net to access the 2Wire i3812V user interface, the 
Home page opens.
2.Click , the Broadband Status page opens.
Note: Do not change the DSL line unless instructed by your ser...

Configuring LAN Devices
89
3.Click Link Configuration; the following page opens. 
4.Select the intended DSL line from the DSL Line Selection drop-down list. 
5.Click Save.  

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91
Finding Solutions
The i3812V comes with diagnostics tools, such as link test, DSL, IP PING, trace route, DNS quer y, and so 
forth. This section provides helpful information to solve common issues. It also provides instructions to 
view various statistics and logs. 
 Connection issues on page 92
 VoIP issues on page 94
 iPSU issues on page 95
 System issues on page 95
 DSL bandwidths information on page 96
 Voice service information on page 98
 Wireless AP statistics on page 101
 LAN status on page...

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Table 4: Connection Issues  
Symptoms Problems What to Do…
The 
POWER indicator on the 
i38HG does not light.Faulty power supply1.Verify that the AC power cable is 
securely connected to the i38HG 
(Connecting the Power Cable on 
page 12). 
2.Ensure that the AC power cable is 
not plugged in to a switched outlet 
that is turned off.
3.Power up the i38HG with a known 
good power outlet.
4.Call your ser vice provider if the 
i38HG does not power up with a 
known good power...

Finding Solutions
93
No connection to the Internet 
via the wireless connection.No communication between 
the i3812V and i38HG1.Check the data cable is properly 
connected (Connecting the Data 
Cable on page 11). 
2.Check the NID, BROADBAND, and 
SERVICE indicators on the i38HG, 
they should light green.
3.Check the WIRELESS indicator on 
the i38HG, it should light green. 
4.Call your ser vice provider if 
problem persists. 
Mis-match network name and/
or encr yption key
1.Verify the network name...

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The BROADBAND indicator 
blinks green for an extended 
period of time, then turns solid 
red.Broadband connection Failure Call your ser vice provider if the 
broadband connection failed to 
connect after 10 minutes. 
The 
SERVICE indicator lights 
red.Broadband ser vice 
authentication failureCall your ser vice provider if the 
broadband connection failed to 
connect after 10 minutes. 
Table 5: VoIP Services Issues
Symptoms Problems What to Do…
No VoIP ser vice VoIP services...

Finding Solutions
95
Table 6: The Power Supply Unit Common Issues
Symptoms Problems What to Do…
The iPSU emits chirping 
sound.The backup batter y life is 
exhausted.
1.Check to see if the BATTERY 
indicator on the IPSU is flashing 
red. 
2.Replace the batter y (Replacing the 
Batter y on page 58). 
The 
POWER indicator is 
flashing red.Normal behavior.1.Flashing red indicates that the 
power is provided by the backup 
battery. The 
POWER button returns 
to green when the AC power is 
switched back....

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Viewing Individual DSL and Aggregate Bandwidth
1.Open a Web browser and enter http://gateway.2Wire.net to access the 2Wire i3812V user interface; the 
Home page opens, displaying the aggregate upstream and downstream bandwidths. 
2.Click the Broadband icon ( ) on the Home page; the Broadband Status page opens.
3.Scroll down the page to view the DSL line 1 and line 2 detailed information.