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YML803X
Velocity User Guide
803X
Velocity User Guide
X
Velocity User Guide
Velocity User Guide
www.netcomm.com.au
31
NetComm Velocity
TM
Series - Wireless N150/N300 Router
URL Filter
You can block access to some Web sites from particular PCs by entering a full URL address or just keywords of the Web site.
Enable URL Blocking: Enable or disable URL Blocking
Add URL Keyword
Fill in “URL/Keyword” and then click <Add>. You can enter the full URL address or the keyword of the web site you want to block. If you
happen to make a mistake and want to retype again, just click “Reset” and the field will be cleared.
Remove URL Keyword
If you want to remove some URL keywords from the “Current URL Blocking Table”, select the URL keyword you want to remove in the
table and then click <Delete Selected>.
If you want to remove all URL keywords from the table, click <Delete All> button. If you want to clear the selection and re-select again, just
click <Reset>.
Click <Apply> at the bottom of the screen to save the above configurations
Advanced Settings
Network Address Translation (NAT)
Network Address Translation (NAT) allows multiple users at your local site to access the Internet through a single Public IP Address or
multiple Public IP Addresses. NAT provides Firewall protection from hacker attacks and has the flexibility to allow you to map Private IP
Addresses to Public IP Addresses for key services such as Websites and FTP. Select Disable to disable the NAT function.
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Velocity Series User Guide
YML803X
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www.netcomm.com.au
Port Mapping
Port Mapping allows you to re-direct a particular range of service port numbers (from the Internet / WAN Port) to a particular LAN IP
address. It helps you to host servers behind the router NAT firewall.
Enable Port Mapping: Enable or disable port mapping function.
Description: description of this setting.
Local IP: This is the local IP of the server behind the NAT firewall.
Type: This is the protocol type to be forwarded. You can choose to forward “TCP” or “UDP” packets only, or select “BOTH” to forward both
“TCP” and “UDP” packets.
Port Range: The range of ports to be forward to the private IP.
Add Port Mapping
Fill in the “Local IP”, “Type”, “Port Range” and “Description” of the setting to be added and then click “Add”. Then this Port Mapping setting
will be added into the “Current Port Mapping Table” below. If you find any typo before adding it and want to retype again, just click <Reset>
and the fields will be cleared.
Remove Port Mapping
If you want to remove a Port Mapping setting from the “Current Port Mapping Table”, select the Port Mapping setting that you want to
remove in the table and then click <Delete Selected>. If you want to remove all Port Mapping settings from the table, click <Delete All>
button. Click <Reset> will clear your current selections.
Click <Apply> at the bottom of the screen to save the above configurations.
Page 33 / 50
YML803X
Velocity User Guide
803X
Velocity User Guide
X
Velocity User Guide
Velocity User Guide
www.netcomm.com.au
33
NetComm Velocity
TM
Series - Wireless N150/N300 Router
Port Forwarding (Virtual Server)
Use the Port Forwarding (Virtual Server) function when you want different servers/clients in your LAN to handle different service/Internet application
type (e.g. Email, FTP, Web server etc.) from the Internet. The Virtual Server allows you to re-direct a particular service port number (from the
Internet/WAN Port) to a particular LAN private IP address and its service port number. (See Glossary for an explanation on Port number).
Enable Port Forwarding: Enable or disable Port Forwarding.
Description: The description of this setting.
Local IP/Local Port: The LAN Client/Host IP address and Port number that the Public Port
number packet will be sent to.
Protocol: Select the port number protocol type (TCP, UDP or both). If you are unsure, then leave it to the default “both” setting. Public Port
enters the service (service/Internet application) port number from the Internet that will be re-directed to the above Private IP address host in
your LAN Network.
Public Port: Port number will be changed to Local Port when the packet enters your LAN Network.
Add Port Forwarding
Fill in the “Description” , “Local IP”, “Local Port”, “Protocol”, “Local Port” and “Public Port” of the setting to be added and then click <Add>
button. Then this Virtual Server setting will be added into the “Current Port Forwarding Table” below. If you find any typo before adding it
and want to retype again, just click <Reset> and the fields will be cleared.
Remove Port Forwarding
If you want to remove Port Forwarding settings from the “Current Port Forwarding Table”, select the Port Forwarding settings you want to
remove in the table and then click “Delete Selected”. If you want to remove all Port Forwarding settings from the table, just click the <Delete All>
button. Click <Reset> will clear your current selections.
Click <Apply> at the bottom of the screen to save the above configurations.
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Velocity Series User Guide
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Port Triggering (Special Applications)
Some applications require multiple connections, such as Internet games, video Conferencing, Internet telephony and others. In this section
you can configure the router to support multiple connections for these types of applications.
Enable Trigger Port: Enable or disable the Port Trigger function.
Trigger Port: This is the outgoing (Outbound) range of port numbers for this particular application.
Trigger Type: Select whether the outbound port protocol is “TCP”, “UDP” or “BOTH”.
Public Port: Enter the In-coming (Inbound) port or port range for this type of application (e.g. 2300-2400, 47624)
Public Type: Select the Inbound port protocol type: “TCP”, “UDP” or “BOTH”
Popular Applications: This section lists the more popular applications that require multiple connections. Select an application from the
Popular Applications selection. Once you have selected an application, select a location (1-10) in the Copy to selection box and then click
the Copy to button. This will automatically list the Public Ports required for this popular application in the location (1-10) you specified.
Add Port Triggering
Fill in the “Trigger Port”, “Trigger Type”, “Public Port”, “Public Type”, “Public Port” and “Description” of the setting to be added and then
Click <Add>. The Port Triggering setting will be added into the “Current Trigger-Port Table” below. If you happen to make a mistake, just
click <Reset> and the fields will be cleared.
Remove Port Triggering
If you want to remove Special Application settings from the “Current Trigger-Port Table”, select the Port Triggering settings you want to
remove in the table and then click <Delete Selected>. If you want remove all Port Triggering settings from the table, just click the <Delete
All> button. Click <Reset> will clear your current selections.
Page 35 / 50
YML803X
Velocity User Guide
803X
Velocity User Guide
X
Velocity User Guide
Velocity User Guide
www.netcomm.com.au
35
NetComm Velocity
TM
Series - Wireless N150/N300 Router
Application Layer Gateway (ALG)
You can select applications that need ALG support. The router will let the selected application to correctly pass through the NAT gateway.
UPnP
With UPnP, all PCs in you Intranet will discover this router automatically. So, you don’t have to configure your PC and it can easily access
the Internet through this router.
Enable/Disable UPnP:
You can enable or Disable the UPnP feature here. After you enable the UPnP feature, all client systems that support
UPnP, like Windows XP, can discover this router automatically and access the Internet through this router without having to configure
anything. The NAT Traversal function provided by UPnP can let applications that support UPnP connect to the internet without having to
configure the virtual server sections.
Quality of Service (QoS)
QoS can let you classify Internet application traffic by source/destination IP address and port number. You can assign priority for each type
of application and reserve bandwidth for it. The packets of applications with higher priority will always go first. Lower priority applications will
get bandwidth after higher priority applications get enough bandwidth. This can let you have a better experience in using critical real time
services like Internet phone, video conference … etc. All the applications not specified by you are classified as rule “Others”. The rule with a
smaller priority number has a higher priority; the rule with a larger priority number has a lower priority. You can adjust the priority of the rules
by moving them up or down.
Priority Queue Type:
This can put the packets of specific protocols in High/Low Queue. The packets in High Queue will process first.
Unlimited Priority Queue: The LAN IP address will not be bounded in the QoS limitation.
High/Low Priority Queue: This can put the packets in the protocol and port range to High/Low QoS Queue.

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