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TD-W8961ND
300Mbps Wireless N ADSL2+ Modem Router User Guide
43
example, if you want to set the FTP Virtual server, you can set the start and end port number
to 21.
¾
Local IP Address:
Enter the IP Address for the Virtual Server in LAN side.
¾
Virtual Server Listing:
This displays the information about the Virtual Servers you establish.
To add a virtual server entry:
Step 1:
Select the “Virtual Circuit” and select “
Virtual Server”.
)
Note:
For VCs with single IP, select
Single
; For VCs with multiple IPs, select
Multiple
for the option.
Step 2:
Select the Rule index for the rule as shown in Figure 4-30.
Step 3:
Select the application you want from drop-down list, then the protocol and port number
will be added to the corresponding field automatically, you only need to configure the IP
address for the virtual server; If the application list does not contain the service that you
want, please configure the Port number, IP Address and Protocol manually.
Step 4:
After that, click
SAVE
to make the entry take effect.
Other operations for the entries as shown in Figure 4-30:
Enter the index of assigned entry, and click the
DELETE
button to delete the entry.
Click the
BACK
button to return to the previous screen.
Click the
CANCEL
button to cancel the configuration which is made just now.
4.4.3.3 IP Address Mapping
Select
Multiple
for
numbers of IPs
in Figure 4-28, and choose “
Advanced Setup
NAT
IP
Address Mapping(for Multiple IP Service)
”. You can configure the Address Mapping Rule in the
next screen. The IP Address Mapping is for those VCs that configured with multiple IPs. The IP
Address Mapping rule is per-VC based (only for Multiple IPs' VCs).
Figure 4-31
¾
Rule Index:
Select the Virtual server rule index for this VC. You can specify 8 rules in
maximum.
¾
Rule Typ:
There are four types: one-to-one, Many-to-One, Many-to-Many Overload and
Many-to-Many No-overload.
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TD-W8961ND
300Mbps Wireless N ADSL2+ Modem Router User Guide
44
¾
Local Start & End IP:
Enter the local IP Address you plan to map to. Local Start IP is the
starting local IP address and Local End IP is the ending local IP address. If the rule is for all
local IPs, then the Start IP is 0.0.0.0 and the End IP is 255.255.255.255.
¾
Public Start & End IP:
Enter the public IP Address you want to do NAT. Public Start IP is the
starting public IP address and Public End IP is the ending public IP address. If you have a
dynamic IP, enter 0.0.0.0 as the Public Start IP.
¾
Address Mapping List:
This displays the information about the Mapping addresses.
To add a mapping rule:
Step 1:
Select the “Virtual Circuit” and Multiple for the “Number of IPs”. Then select the tab
IP
Address Mapping
(shown in Figure 4-28).
)
Note:
IP Address Mapping
is only available for VCs with Multiple IPs.
Step 2:
Select the Rule index for the rule as shown in Figure 4-31.
Step 3:
Select the rule type you want from the drop-down list.
Step 4:
Enter the local and public IP addresses in the corresponding fields.
Step 5:
After that, click
SAVE
to make the entry take effect.
Other operations for the entries as shown in Figure 4-31:
Select the index of assigned entry, and click the
DELETE
button to delete the entry.
Click the
BACK
button to return to the previous screen.
Click the
CANCEL
button to cancel the configuration which is made just now.
4.4.4 QoS
Choose “
Advanced Setup
QoS
”, you can configure the QoS in the next screen. QoS helps to
prioritize data as it enters your router. By attaching special identification marks or headers to
incoming packets, QoS determines which queue the packets enter, based priority. This is useful
when there are certain types of data you want to give higher priority, such as voice data packets
give higher priority than Web data packets. This option will provide better service of selected
network traffic over various technologies.
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TD-W8961ND
300Mbps Wireless N ADSL2+ Modem Router User Guide
45
Figure 4-32
¾
QoS:
Select this option to Activate/Deactivate the IP QoS on different types (IP ToS and
DiffServ).
¾
Summary:
Click the button to view the configurations of QoS.
¾
Rule:
Configure the rules for QoS. If the traffic complies with the rule, then the Router will
take the corresponding action to deal with it.
Rule Index:
Select the index for the rule you want to configure.
Active:
Activate the rule. The rule can take effect only when it is activated.
Application:
Select the application that the rule aimed at.
Physical Ports:
Select the port whose traffic flow are controlled by the rule.
Destination MAC & IP & Mask & Port Range:
Enter the IP information about the
Destination host for the rule.
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TD-W8961ND
300Mbps Wireless N ADSL2+ Modem Router User Guide
46
Source MAC & IP & Mask & Port Range:
Enter the IP information about the Source
host for the rule.
Protocol ID:
Select one among TCP/UDP, TCP, UDP or ICMP protocols for the
application.
Vlan ID Range:
Enter the Vlan range, and the rule will be effective to the selected Vlans.
IPP/DS Field:
Select the type of the action to assign the priority.
When you select IPP/TOS, you can assign the priority via IP information. IP QoS function is
intended to deliver guaranteed as well as differentiated Internet services by giving network
resource and usage control to the Network operator.
IP Precedence Range:
Enter the IP precedence range that the Router takes to
differentiate the traffic.
Type of Service:
Select the type of service that the Router takes to deal with the traffic.
802.1p:
Select the priority range for the rule.
When you select DSCP, you can assign the priority via DHCP (the header of IP group). It maps
the IP group into corresponding service class.
DSCP Range:
Enter the DSCP range to differentiate the traffic.
802.1p:
Select the priority range for the rule.
¾
Action:
Configure the action that the Router takes to deal with the traffic which accord with
the rule.
IPP/DS Field:
Select the type for the action.
IP Precedence Remarking:
Select the number to remark the priority for IP precedence.
Type of Service Remarking:
Select the type to remark the service.
DSCP Remarking:
Enter the number to remark the DSCP priority.
802.1p Remarking:
Select the type to remark the 802.1p priority.
Queue:
Select the priority type for the action.
4.4.5 VLAN
Choose “
Advanced Setup
VLAN
”, you can activate the VLAN function in the next screen.
Virtual LAN (VLAN) is a group of devices on one or more LANs that are configured so that they
can communicate as if they were attached to the same LAN, when in fact they are located on a
number of different LAN segments. Because VLANs are based on logical instead of physical
connections, it is very flexible for user/host management, bandwidth allocation and resource
optimization. There are two types of VLAN as follows:
Port-Based VLAN: Each physical switch port is configured with an access list specifying
membership in a set of VLANs.
ATM VLAN: Using LAN Emulation (LANE) protocol to map Ethernet packets into ATM cells and
deliver them to their destination by converting an Ethernet MAC address into an ATM address.
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TD-W8961ND
300Mbps Wireless N ADSL2+ Modem Router User Guide
47
Figure 4-33
1)
Assign VLAN PVID for each Interface
Click
Assign VLAN PVID for each Interface
in Figure 4-33, you can assign the PVID for each
interface in the next screen (shown in Figure 4-34).
Figure 4-34
¾
PVID:
Each physical port has a default VID called PVID (Port VID). PVID is assigned to
untagged frames or priority tagged frames (frames with null (0) VID) received on this port.
2)
Define VLAN Group
Click
Define VLAN Group
in Figure 4-33, you can define VLAN groups in the next screen (shown
in Figure 4-35).
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