144
Tr
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ble
sh
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8
Internet connection cannot be
established
Q3
Symptom
▶
Cause
▶
Remedy
Broadband
connection cannot
be established.
The product does not recognize
the broadband line. (The WAN
lamp does not light up.)
Troubleshoot according to the explanation of
“The WAN lamp does not light up.” (page 141)
The user ID or password is not
correct.
Refer to the setup document supplied by the
provider, and enter the required information
correctly.
The homepage is
not displayed or the
display speed is
slow.
The DNS server address specified
by the provider is not correct.
• Check whether the DNS server address
is specified in the provider connection
setting.
• Enter the IP address of the product in the
DNS server address setting of each PC,
and restart the PC.
• The Web server or DNS server may be
overloaded or suspended. Re-attempt
access after a while.
The filtering function of the product
is enabled.
If the IP address given by the provider is a
private address, and the security filter such
as Firewall is applied, change the security
level to 2, 4 or 6 (page 96).
There is a problem with line type.
(PPPoE method ADSL connection
only)
Depending on the type of ADSL line, with
the standard setting, you cannot receive
some kind of homepage data or the data
reception rate is very slow.
Disconnect the connection, and in the
“Basic configuration page”, click “Advanced
settings” - “Detailed basic connection
setting”. In the “Register/modify provider”
screen, enter 1454 for MTU, enter other
values, and then reconnect.
The IP address given by the
provider conflicts with the IP
address specified for the product.
In the “Basic configuration page” - “Configure
LAN” screen, change the IP address of the
product so as not to conflict with the IP
address given by the provider (page 29). In
this case, the Firewall function of the product
must be applied again.