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Advanced Settings
111
N450 Wireless Router WNR2500
When the connection type is not IPv6 Pass Through or Disabled, the router starts the
stateful packet inspection (SPI) firewall function on the WAN interface. The router creates
connection records and checks every inbound IPv6 packet. The router blocks this packet
when the inbound packet is not destined to the router itself and the router does not expect
to receive such a packet. The router also blocks this packet when the packet is not in the
connection record. This function has two modes.
Specify the mode by selecting one of the following radio buttons:
Secured
. In the secured mode, which is the default mode, the router inspects both
TCP and UDP packets.
Open
. In the open mode, the router inspects UDP packets only.
7.
Click the
Apply
button.
IPv6 DHCP
To set up an IPv6 Internet connection with a DHCP server:
1.
Select
ADVANCED > Advanced Setup > IPv6
.
The IPv6 screen displays.
2.
In the Internet Connection Type list, select
DHCP
.
The screen adjusts:
The router automatically detects the information in the following fields:
Router’s IPv6 Address on WAN
. This field shows the IPv6 address that is acquired
for the router’s WAN (or Internet) interface. The number after the slash (/) is the length
of the prefix, which is also indicated by the underline (_) under the IPv6 address. If no
address is acquired, the field displays Not Available.
Router’s IPv6 Address on LAN
. This field shows the IPv6 address that is acquired
for the router’s LAN interface. The number after the slash (/) is the length of the prefix,
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Advanced Settings
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N450 Wireless Router WNR2500
which is also indicated by the underline (_) under the IPv6 address. If no address is
acquired, the field displays Not Available.
3.
(Optional) In the DHCP User Class (If Required) field, enter a host name.
Most people do not need to fill in this field, but if your ISP has given you a specific host
name, enter it here.
4.
(Optional) In the Domain Name (If Required) field, enter a domain name.
You can type the domain name of your IPv6 ISP. (Do not enter the domain name for the
IPv4 ISP here.) For example, if your ISP mail server is mail.xxx.yyy.zzz, you would type
xxx.yyy.zzz as the domain name. If your ISP provided a domain name, type it in this field.
(For example, Earthlink Cable might require a host name of home, and Comcast
sometimes supplies a domain name.)
5.
Configure the LAN setup and IPv6 filtering settings as explained in
Step
3
through
Step
5
of
the procedure to set up an IPv6 Internet connection through auto detection (see
IPv6 Auto
Detect
on page
105).
6.
Click the
Apply
button.
IPv6 PPPoE
To set up a PPPoE IPv6 Internet connection:
1.
Select
ADVANCED > Advanced Setup > IPv6
.
The IPv6 screen displays.
2.
In the Internet Connection Type list, select
PPPoE
.
The screen adjusts:
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N450 Wireless Router WNR2500
The router automatically detects the information in the following fields:
Router’s IPv6 Address on WAN
. This field shows the IPv6 address that is acquired
for the router’s WAN (or Internet) interface. The number after the slash (/) is the length
of the prefix, which is also indicated by the underline (_) under the IPv6 address. If no
address is acquired, the field displays Not Available.
Router’s IPv6 Address on LAN
. This field shows the IPv6 address that is acquired
for the router’s LAN interface. The number after the slash (/) is the length of the prefix,
which is also indicated by the underline (_) under the IPv6 address. If no address is
acquired, the field displays Not Available.
3.
In the Login field, enter the login information for the ISP connection.
This name is usually the name that you use in your email address. For example, if your
main mail account is [email protected], you would type JerAB in this field. Some ISPs (like
Mindspring, Earthlink, and T-DSL) require that you use your full email address when you
log in. If your ISP requires your full email address, type it in this field.
4.
In the Password field, enter the password for the ISP connection.
5.
In the Service Name name field, enter a service name.
If your ISP did not provide a service name, leave this field blank.
Note:
The default setting of the Connection Mode field is Always On to provide
a steady IPv6 connection. The router never terminates the connection. If the
connection is terminated, for example, when the modem is turned off, the router
attempts to reestablish the connection immediately after the PPPoE
connection becomes available again.
6.
Specify how the router assigns IPv6 addresses to the devices on your home network (the
LAN) by selecting one of the following radio buttons:
Use DHCP Server
. This method passes more information to LAN devices, but some
IPv6 systems might not support the DHCv6 client function.
Auto Config
. This is the default setting.
7.
(Optional) Select the
Use This Interface ID
check box, and specify the interface ID that you
want to be used for the IPv6 address of the router’s LAN interface.
If you do not specify an ID here, the router generates one automatically from its MAC
address.
8.
Specify IPv6 filtering.
When the connection type is not IPv6 Pass Through or Disabled, the router starts the
stateful packet inspection (SPI) firewall function on the WAN interface. The router creates
connection records and checks every inbound IPv6 packet. The router blocks this packet
when the inbound packet is not destined to the router itself and the router does not expect
to receive such a packet. The router also blocks this packet when the packet is not in the
connection record. This function has two modes.
Specify the mode by selecting one of the following radio buttons:
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N450 Wireless Router WNR2500
Secured
. In the secured mode, which is the default mode, the router inspects both
TCP and UDP packets.
Open
. In the open mode, the router inspects UDP packets only.
9.
Click the
Apply
button.
Traffic Meter
Traffic metering allows you to monitor the volume of Internet traffic passing through your
router’s Internet port. With the traffic meter utility, you can set limits for traffic volume, set a
monthly limit, and get a live update of traffic usage.
To start monitoring Internet traffic:
1.
Select
ADVANCED > Advanced Setup > Traffic Meter
.
A screen similar to the following displays.
2.
To enable the traffic meter, select the
Enable Traffic Meter
check box.
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N450 Wireless Router WNR2500
3.
(Optional) Control the volume of Internet traffic.
You can use either the traffic volume control feature or the connection time control feature
to do this.
Select the
Traffic volume control by
radio button and then select one of the
following options:
-
No Limit
. No restriction is applied when the traffic limit is reached.
-
Download only
. The restriction is applied to incoming traffic only.
-
Both Directions
. The restriction is applied to both incoming and outgoing traffic.
Select the
Connection time control
radio button and enter the allowed hours in the
Monthly limit field.
4.
(Optional) If your ISP charges for extra data volume when you make a new connection,
enter the extra data volume in MB in the Round up data volume for each connection by field.
5.
In the Traffic Counter section, set up the traffic counter to begin at a specific time and date
of each month.
If you want the traffic counter to start immediately, click the
Restart Counter Now
button.
6.
In the Traffic Control section, specify whether a warning message is issued before the
monthly traffic limit of MB or hours is reached.
By default, the value is 0 and no warning message is issued. You can select one of the
following to occur when the traffic limit is reached:
The Internet LED blinks green or amber.
The Internet connection is disconnected and disabled.
7.
Click the
Apply
button.
Your changes are saved.
8.
In the Internet Traffic Statistics section, monitor the data traffic.
To update the Traffic Statistics section, click the
Refresh
button.
To display more information about the data traffic on your router and to change the
poll interval, click the
Traffic Status
button.

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