LAN Issues 112
HomePortal 3801HGV Gateway User Guide Troubleshooting 3801HGV Gateway
LAN Issues

The following table provides information to troubleshoot LAN issues:

Issue Possible Cause(s) What to Do
Unable to connect to the
gateway through the local
Ethernet port
Loose Ethernet cable
connection
• Check the Ethernet cable connection on the computer
and gateway, and make sure that it is securely seated in
both ports
• Check the ETHERNET indicator on the gateway; it
should blink green
Incorrect Ethernet mode
selected
Navigate to Settings > LAN > Wired Interfaces. Select
the appropriate mode from the Port Mode drop-down
list box. Auto-detect is the recommended mode for
configuring Local Ethernet connection.
LAN clients are not getting IP
addresses to connect to the
gateway
DHCP server is disabled Navigate to Settings > LAN > DHCP. Select the DHCP
Server Enabled check box for enabling the gateway to
assign IP addresses to the LAN clients automatically.
IP address conflict between
LAN computers on the
network
Duplication of IP address on
the network
If the LAN computer has static IP configured, ensure
that DHCP IP addressing on the gateway is not
assigning an identical IP address. Change the DHCP
server IP addressing range and try assigning a different
static IP address to the LAN computers.
If the issue persists, then configure DHCP on the LAN
computer to obtain the IP address automatically.
No HomePNA service HOME PNA services are not
activated
Check with your ISP for activating IPTV services.
Home PNA networking is
disabled
Select the HomePNA Networking check box from
Settings > LAN > Wired Interfaces.
Wireless client is not locating
the gateway
SSID Broadcast is disabled Navigate to Settings > LAN > Wireless. Select the
SSID Broadcast check box in the Network section.
Wireless client is not getting
an IP address
Wireless networking is
disabled
Navigate to Settings > LAN > Wireless. Select the
Enable Wireless Interface checkbox.
Incorrect authentication type
is used
Ensure that you select the relevant authentication type
for configuring your wireless client.
Wireless modes on client and
access point are not
compatible
Ensure that the wireless mode on the wireless client is
compatible to the wireless mode on the gateway.
Wireless signal strength is
weak
Wireless client is not in the
wireless range
Ensure that your wireless client is within the wireless
range of the gateway.
Incorrect power settings Change the Power Settin g value to increase the signal
strength.
Wireless channel interference Change the Wireless Channel value. Alternatively, you
can also change the Wireless Channel Mode to auto.
Setting custom encryption key
on the user interface gives an
error
Custom encryption key is not
conforming with the security
mode, key length, key type, or
value type
Configure the custom encryption key in a way that it
conforms to the security mode, key length, key type, or
value type.
LAN clients are unable to
access specific applications or
Web sites
Firewall is preventing the LAN
clients from accessing specific
applications or Web sites
Navigate to Settings > LAN > IP Address Allocation.
Browse to the LAN client where access is restricted.
Select Disabled from the Firewall drop-down list box.