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TL-R480T
SMB Broadband Router User Guide
15
enter the LAN IP addresses in the field, then the WAN port will only transmit the traffic whose
destination IP address are contained in the field.
¾
MTU Size
-
The normal MTU (Maximum Transmission Unit) value for most Ethernet networks
is 1500 Bytes. For some ISPs you need to reduce the MTU. But this is rarely required, and
should not be done unless you are sure it is necessary for your ISP connection.
¾
Primary DNS & Secondary DNS
-
If your ISP gives you one or two DNS addresses, select
Use These DNS Servers
and enter the primary and secondary addresses into the correct
fields. Otherwise, the DNS servers will be assigned dynamically from ISP.
)
Note:
If you get ‘Address not found' errors when you go to a Web site, it is likely that your DNS servers
are set up improperly. You should contact your ISP to get correct DNS server.
¾
Get IP with Unicast DHCP:
A few ISPs' DHCP servers do not support the broadcast
applications. If you can not get the IP address normally, you can choose this option. (You
don’t need select this option generally).
¾
Ingress Bandwidth:
Enter the bandwidth for ingress traffic.
¾
Egress Bandwidth:
Enter the bandwidth for egress traffic.
2.
Static IP
If you are given a fixed IP (static IP), please select
Static IP
(shown in Figure 4-5), and then fixed
IP parameters specified by your ISP.
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16
Figure 4-5
¾
IP Address
-
Enter the IP address in dotted-decimal notation provided by your ISP.
¾
Subnet Mask
-
Enter the subnet Mask in dotted-decimal notation provided by your ISP,
usually is 255.255.255.0.
¾
Default Gateway
-
Enter the gateway IP address in dotted-decimal notation provided by your
ISP (Optional).
¾
MTU Size -
The normal MTU (Maximum Transmission Unit) value for most Ethernet
networks is 1500 Bytes. For some ISPs you may need to modify the MTU. But this is rarely
required, and should not be done unless you are sure it is necessary for your ISP
connection.
¾
Primary DNS -
Type the DNS address in dotted-decimal notation provided by your ISP
(Optional).
¾
Secondary DNS -
Type another DNS address in dotted-decimal notation provided by your
ISP if provided (Optional).
¾
Ingress Bandwidth:
Enter the bandwidth for ingress traffic.
¾
Egress Bandwidth:
Enter the bandwidth for egress traffic.
3.
PPPoE
If you are given a user name and a password, please select
PPPoE
(shown in Figure 4-6). If you
are not sure which connection type you use currently, please contact your ISP to obtain the
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TL-R480T
SMB Broadband Router User Guide
17
correct information.
Figure 4-6
¾
User Name/Password -
Enter the User Name and Password provided by your ISP. These
fields are case-sensitive.
¾
Connect on Demand -
You can configure the router to disconnect your Internet connection
after a specified period of inactivity (
Max Idle Time
). If your Internet connection has been
terminated due to inactivity,
Connect on Demand
enables the router to automatically
re-establish your connection as soon as you attempt to access the Internet again. If you wish
to activate
Connect on Demand
, click the radio button.
)
Note:
1)
If you want your Internet connection to remain active at all times, enter 0 in the
Max Idle Time
field. Otherwise, enter the number of minutes you want to have elapsed before your Internet
connection terminates.
2)
Sometimes the connection can not be disconnected although you specify a time to Max Idle
Time. This is because there may still be active applications in the background, which may
cause fee accounted by your ISP.
¾
Connect Automatically -
Connect automatically after the router is disconnected. To use this
option, click the radio button.
¾
Time-based Connecting -
You can configure the router to make it connect or disconnect
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18
based on time. Enter the start time in HH:MM for connecting and end time in HH:MM for
disconnecting in the
Period of Time
fields.
)
Note:
Only you have set the system time on
System Tools
Time
screen, will the
Time-based
Connecting
function take effect.
¾
Connect Manually -
You can configure the router to make it connect or disconnect manually.
After a specified period of inactivity (
Max Idle Time
), the router will disconnect your Internet
connection, and not be able to re-establish your connection automatically even though you
attempt to access the Internet again. You need click the
Connect
button manually to connect
immediately, or click the
Disconnect
button manually to disconnect immediately; To use this
option, click the radio button. If you want your Internet connection to remain active at all times,
enter 0 in the
Max Idle Time
field. Otherwise, enter the number in minutes that you wish to
have the Internet connecting last unless a new link is requested.
)
Note:
1)
If you want your Internet connection to remain active at all times, enter 0 in the
Max Idle Time
field. Otherwise, enter the number in minutes that you wish to have the Internet connecting
last unless a new link is requested.
2)
Sometimes the connection cannot be disconnected although you specify a time to Max Idle
Time. This is because there may still be active applications in the background, which may
cause fee accounted by your ISP.
Click the
Advanced
button to set up the advanced option as shown in Figure 4-7.
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19
Figure 4-7
¾
MTU Size-
The default MTU size is 1492 bytes, which is usually fine. For some ISPs, you
need modify the MTU. This should not be done unless you are sure it is necessary for your
ISP.
¾
Service Name/AC Name -
The service name and AC (Access Concentrator) name should
not be configured unless you are sure it is necessary for your ISP.
¾
ISP Specified IP Address -
If you know that your ISP does not automatically transmit your IP
address to the router during login, select
Use IP Address specified by ISP
and enter the IP
address in dotted-decimal notation, which your ISP provided.
¾
Detect Online Interval -
The default value is 0, you can input the value between 0 and 120.
The router will detect Access Concentrator online at every interval between the time. If the
value is 0,
it
means the Router does not detect.
¾
Primary DNS & Secondary DNS -
If you know that your ISP does not automatically transmit
DNS addresses to the router during login, select
Use the following DNS servers
and enter
the address in dotted-decimal notation of your ISP’s primary DNS server. If a secondary DNS
server address is available, enter it as well.
¾
Ingress Bandwidth:
Enter the bandwidth for download traffic.
¾
Egress Bandwidth:
Enter the bandwidth for upload traffic.

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