Getnet Router GR-524WA User Manual

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Parameter Description 
IP QoS  Click the radio button to enable or disable the IP QoS 
function. 
  
Default QoS  Select the default mode of QoS from the list. 
 
IP Precedence:  
In QoS, a three-bit field in the ToS byte of the IP header 
(see RFC 791). Using IP Precedence, a network 
administrator can assign values from 0(the default) to 7 
to classify and prioritize types of traffic. 
 
802.1P: 
IEEE 802.1p is a 3 bit field within an Ethernet frame 
header when using tagged frames on an 802.1 network.  
						

							 64 It specifies a priority value of between 0 and 7 inclusive 
that can be used by Quality of Service (QoS) disciplines 
to differentiate traffic. 
  
Source IP  The IP address of the traffic source. 
  
Source Netmask  The source IP netmask. This field is required if the 
source IP has been entered. 
  
Source Port  The source port of the selected protocol. You cannot 
configure this field without entering the protocol first. 
  
Destination IP  The IP address of the traffic destination. 
  
Destination Netmask  The destination IP netmask. This field is required if the 
destination IP has been entered. 
  
Destination Port  The destination port of the selected protocol. You cannot 
configure this field without entering the protocol first. 
  
Protocol  The selections are TCP, UDP, ICMP and the blank for 
none. This field is required if the source port or 
destination port has been entered. 
  
Physical Port  The incoming ports. The selections include LAN ports, 
wireless port, and the blank for not applicable. 
  
Outbound Priority  The priority level for the traffic that matches this 
classification rule. The possible selections are (in the 
descending priority): p0, p1, p2, p3. 
  
802.1p  Select this field to mark the 3-bit user-priority field in the 
802.1p header of the packet that matches this 
classification rule. Note that this 802.1p marking is 
workable on a given PVC channel only if the VLAN tag is 
enabled in this PVC channel. 
  
Precedence  Select this field to mark the IP precedence bits in the  
						

							 65 packet that match this classification rule. 
  
TOS  The IP (Internet Protocol) uses the ToS (Type of Service) 
field to provide an indication of the quality of service 
desired. These parameters are to be used to guide the 
selection of the actual service parameters when 
transmitting an IP datagram through a particular 
network.0 
  
IP QoS Rules  This table lists the rules you have configured. Click 
“Delete Selected” to delete the selected rules or click 
“Delete All” to delete all the rules.  
When you finish, click ‘Apply Changes’. You’ll see the following message 
displayed on web browser: 
 
 
 
Press ‘Continue’ to save the settings made and back to web management 
interface; press ‘Apply’ to save the settings made and restart the router so the 
settings will take effect after it reboots. 
 
 
 
5.2.6. NAT (Network address translations) 
 
NAT (Network address translations) solve the problem if sharing a single IP 
address to multiple computers. Without NAT, all computers must be assigned 
with a valid Internet IP address to get connected to Internet, but Internet 
service providers only provide very few IP addresses to every user. Therefore 
it’s necessary to use NAT technology to share a single Internet IP address to 
multiple computers on local network, so everyone can get connected to 
Internet.  
 
Please follow the following instructions to set NAT parameters:  
						

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5.2.6.1. Port  Forwarding 
 
The Port Forwarding allows you to re-direct a particular range of service port 
numbers (from the Internet) to a particular LAN IP address. It helps you to 
host some servers behind the router NAT firewall. 
  
						

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Parameter Description 
Port Forwarding  Check this item to enable or disable the port-forwarding 
feature. 
  
Protocol  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. 
  
Comment  Enter the comment for the setting. 
  
Enable  Check this item to enable this entry. 
  
Local IP Address  IP address of your local server that will be accessed by 
Internet.  
  
Local IP Port  The destination port number that is made open for this 
application on the LAN side. 
  
Remote IP Address  The source IP address from which the incoming traffic is  
						

							 68 allowed. Leave blank for all. 
  
Public Port  The destination port number that is made open for this 
application on the WAN side 
  
Interface  Select the WAN interface on which the port-forwarding 
rule is to be applied. 
  
Current Port 
Forwarding Table If you want to remove the port forwarding settings from 
the table, select the items and then click Delete 
Selected. If you want remove all settings, just click 
Delete All button.  
When you finish, click ‘Apply Changes’. You’ll see the following message 
displayed on web browser: 
 
 
 
Press ‘Continue’ to save the settings made and back to web management 
interface; press ‘Apply’ to save the settings made and restart the router so the 
settings will take effect after it reboots. 
 
 
5.2.6.2. Port  Mapping 
 
The router provides multiple interface groups. Up to five interface groups are 
supported including one default group. The LAN and WAN interfaces could be 
included. Traffic coming from one interface of a group can only be flowed to 
the interfaces in the same interface group. Thus, the router can isolate traffic 
from group to group for some application. By default, all the interfaces (LAN 
and WAN) belong to the default group, and the other four groups are all empty. 
It is possible to assign any interface to any group but only one group. 
  
						

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Parameter Description 
Disabled/ Enabled  Click the radio button to enable or disable the feature. If 
disabled, all interfaces belong to the default group. 
  
Interface groups  To manipulate a mapping group: 
1. Select a group from the table. 
2. Select interfaces from the available/grouped interface 
list and add it to the grouped/available interface list using 
the arrow buttons to manipulate the required mapping of 
the ports. 
3. Click “Apply Changes” button to save the changes. 
When you finish, click ‘Apply Changes’. You’ll see the following message 
displayed on web browser: 
  
						

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Press ‘Continue’ to save the settings made and back to web management 
interface; press ‘Apply’ to save the settings made and restart the router so the 
settings will take effect after it reboots. 
 
 
5.2.6.3. UPNP 
 
When the UPnP function is enabled, the router can be detected by UPnP 
compliant system such as Windows XP. The router will be displayed in the 
Neighborhood of Windows XP, so you can directly double click the router or 
right click the router and select “Invoke” to configure the router through web 
browser. 
 
 
 
Parameter Description 
UPnP  Enable or disable UPnP feature. 
 
WAN Interface  The upstream WAN interface is selected here. Select 
WAN interface that will use UPnP from the drop-down 
lists. 
When you finish, click ‘Apply Changes’. You’ll see the following message 
displayed on web browser: 
  
						

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Press ‘Continue’ to save the settings made and back to web management 
interface; press ‘Apply’ to save the settings made and restart the router so the 
settings will take effect after it reboots. 
 
 
5.2.6.4. IGMP  Proxy 
 
When “IGMP Proxy” (Internet Group Management Protocol Proxy) is enabled, 
the router can make intelligent multicast forwarding decisions by examining 
the contents of each frame’s IP header. Without the function, the router will 
broadcast the multicast packets to each port and may create excessive traffic 
on the network and degrade the performance of the network.  
 
The IGMP Proxy page allows you to enable multicast on WAN and LAN 
interfaces. The LAN interface is always served as downstream IGMP proxy, 
and you can configure one of the available WAN interfaces as the upstream 
IGMP proxy. Upstream is the interface that IGMP requests from hosts are 
sent to the multicast router. Downstream is the interface data from the 
multicast router are sent to hosts in the multicast group database. 
 
 
 
 
Parameter Description  
						

							 72 IGMP Proxy  Enable or disable IGMP proxy feature. 
 
Proxy Interface  The upstream WAN interface is selected here. 
When you finish, click ‘Apply Changes’. You’ll see the following message 
displayed on web browser: 
 
 
 
Press ‘Continue’ to save the settings made and back to web management 
interface; press ‘Apply’ to save the settings made and restart the router so the 
settings will take effect after it reboots.