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TD-W8980 N600 Wireless Dual Band Gigabit ADSL2+ Modem Router User Guide
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¾ Configuration Type: Select a configuration type for this tunnel. Auto means to obtain the
following parameters automatically while Manual means you set them manually. If Auto is
selected, only Dynamic IP connection can be selected from the drop-down list.
¾ IPv4 Mask Length: The length of the selected WAN connection’s IPv4 mask.
¾ 6RD Prefix: The prefix of the 6RD tunnel.
¾ 6RD Prefix Length: The length of the 6RD prefix.
¾ Border Relay IPv4 Address: The IPv4 address of the border relay router of 6RD tunnel.
) Note:
In this type, there should not have any IPv6 WAN connections. If there are IPv6 WAN connections,
the page will prompt you to delete all the IPv6 WAN connections.
3) 6to4
This type is used in the situation that your WAN connection is IPv4 while LAN connection is IPv6.
Select 6to4, and you will see the screen as shown in Figure 4-91.
Figure 4-91
¾ WAN Connection: Select a WAN connection from the drop-down list. Only the connected
WAN connections can be shown in the drop-down list.
) Note:
In this type, there should not have any IPv6 WAN connections. If there are IPv6 WAN connections,
the page will prompt you to delete all the IPv6 WAN connections.
4.17 Bandwidth Control
Choose menu “Bandwidth Control”, and then you can configure the Upstream Bandwidth and
Downstream Bandwidth in the next screen. The values you configure should be less than
1000000Kbps. For optimal control of the bandwidth, please select the right Line Type and ask your
ISP for the total bandwidth of the egress and ingress.