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Page 126 / 159 Scroll up to view Page 121 - 125
DIR-620
Multifunction Wireless Router Supporting WiMAX,
3G GSM/CDMA with Built-in Switch
User Manual
Configuring via Web-based Interface
IGMP
On the
Advanced / IGMP
page, you can enable IGMP for the router.
IGMP is used for managing multicast traffic (transferring data to a group of destinations). This
protocol allows using network resources for some applications, e.g., for streaming video, more
efficiently.
Figure 104. The
Advanced / IGMP
page.
To enable IGMP, select the
Enabled
checkbox. From the
Version
drop-down list, select a version
of IGMP. Then click the
Change
button. Such a setting allows using the IGMP Proxy function for
all WAN connections for which the
Enable IGMP Multicast
checkbox is selected.
To disable IGMP, deselect the
Enabled
checkbox and click the
Change
button.
Page
126
of 159
Page 127 / 159
DIR-620
Multifunction Wireless Router Supporting WiMAX,
3G GSM/CDMA with Built-in Switch
User Manual
Configuring via Web-based Interface
Firewall
In this menu you can configure the firewall of the router:
•
add rules for IP filtering
•
create virtual servers
•
define a DMZ
•
configure the MAC filter.
IP Filters
On the
Firewall / IP filters
page, you can create new rules for filtering IP packets and edit or
remove existing rules.
Figure 105. The
Firewall / IP filters
page.
To create a new rule, click the
Add
button.
Figure 106. The page for adding a rule for IP filtering.
Page
127
of 159
Page 128 / 159
DIR-620
Multifunction Wireless Router Supporting WiMAX,
3G GSM/CDMA with Built-in Switch
User Manual
Configuring via Web-based Interface
You can specify the following parameters:
Parameter
Description
IP filter rule editing
Name
A name for the rule for easier identification.
Protocol
A protocol for network packet transmission. Select a value from the
drop-down list.
Action
Select an action for the rule.
ACCEPT
: Allows packet transmission in accordance with the
criteria specified by the rule.
DROP
: Denies packet transmission in accordance with the criteria
specified by the rule.
IP Addresses
IP address range
Select the checkbox if you want to specify a range of IP addresses as
the source or destination IP address.
Source
The source host/subnet IP address.
If the
IP address range
checkbox
is selected, specify the starting
IP address of the range in the
Source (first)
field and the ending IP
address in the
Source (last)
field.
If the
IP address range
checkbox
is not selected, specify the IP
address of the host or subnet in the
Source
field. To specify an IP
address add
/32
.
To choose a device connected to the router's LAN at the moment,
select the relevant IP address from the drop-down list located to the
right of the field (the field will be filled in automatically).
Destination
The destination host/subnet IP address.
If the
IP address range
checkbox is selected, specify the starting
IP address of the range in the
Destination (first)
field and the
ending IP address in the
Destination (last)
field.
If the
IP address range
checkbox is not selected, specify the
starting IP address of the host or subnet in the
Destination
field. To
specify an IP address add
/32
.
To choose a device connected to the router's LAN at the moment,
select the relevant IP address from the drop-down list located to the
right of the field (the field will be filled in automatically).
Page
128
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Page 129 / 159
DIR-620
Multifunction Wireless Router Supporting WiMAX,
3G GSM/CDMA with Built-in Switch
User Manual
Configuring via Web-based Interface
Parameter
Description
Ports
Source
A port of the source IP address. You can specify one port, several
ports separated by a comma, or a range of ports separated by a colon.
Destination
A port of the destination IP address. You can specify one port,
several ports separated by a comma, or a range of ports separated by
a colon.
Click the
Change
button.
To edit a rule for IP filtering, click the link to the relevant rule. On the opened page, change the
needed parameters and click the
Change
button.
To remove a rule for IP filtering, click the link to the relevant rule. On the opened page, click the
Delete
button.
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129
of 159
Page 130 / 159
DIR-620
Multifunction Wireless Router Supporting WiMAX,
3G GSM/CDMA with Built-in Switch
User Manual
Configuring via Web-based Interface
Virtual Servers
On the
Firewall / Virtual servers
page, you can create virtual servers for redirecting incoming
Internet traffic to a specified IP address in the local area network.
Figure 107. The
Firewall / Virtual servers
page.
To create a new virtual server, click the
Add
button.
Figure 108. The page for adding a virtual server.
Page
130
of 159

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