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DSL-2750B User Guide
Criteria:
Dynamic IP Range:
Action:
New IP Range:
Displays the current created server pool.
Displays the IP address range.
Click the green + sign to add a new rule, click the pencil icon to edit, or click the red X to
remove the rule.
Click to add a new entry.
DHCP Server Pools (DHCP Reservation)
If you want a computer or device to always have the same IP address assigned, you can create a DHCP
reservation. The router will assign the IP address only to that computer or device.
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DSL-2750B User Guide
Routing
Routing Mode:
Device Metric:
Default Route:
Multicast - IGMP Proxy
Internal:
IGMP Query Version:
Routing Table:
Name:
Destination:
Gateway:
Netmask:
Metric:
Status:
Action:
Select the routing mode from the drop-down menu.
Enter the metric value. The route metric is a value from 1 to 15 that indicates the cost of
using this route. A value 1 is the lowest cost and 15 is the highest cost.
Check this box to use the default route.
This box is checked by default.
Select the IGMP Query version from the drop-down menu.
Displays the entered routes.
Displays the name of the route you created.
The IP address of the destination location.
The gateway IP address of the destination location.
The netmask of the destination location.
The metric value assigned to this route.
Displays the status of the route.
Click the green + icon to add a new route, click the pencil icon to edit the route, or click the
red X to delete the route.
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DSL-2750B User Guide
Bridging
Bridging:
Name:
VLANs:
Status:
STP:
Action:
Bridge Filter:
Action:
Displays the default segments of the Gateway. Click the pencil icon to edit the settings.
The name of the segment.
The VLAN status of the segment.
The connection status of the segment.
(Spanning Tree Protocol) is a method for automatically calculating the best route of a network
with or without loops.
Click the pencil icon to edit the segment.
You can enter your own devices to add to the bridge filter table. Click
New Entry
to add a
device to the LAN Bridge.
Click the green + icon to add a new entry, click the pencil icon to edit, or click the red X to
delete the entry.
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DSL-2750B User Guide
Advanced
Internet Connection
Firewall:
New IP Address:
IP Address:
Subnet Mask:
Action:
Check the Enable box to enable the firewall feature for your wired computers/devices.
Click to add a new device.
The IP address of the computer or device.
The subnet mask of the computer or device.
Click the green + sign to add a computer or device, or click the red X to delete the computer
or device.
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DSL-2750B User Guide
Firewall Settings
Overview
This section explains how to configure your Router’s firewall security features. The Router’s firewall security
settings allow you reduce the risk of unauthorized access to your network by prohibiting certain types of
inbound and outbound network traffic and by allowing you to configure specific firewall rules.
To change your firewall security level, click the option next to the desired security setting. Next, click
Apply
to
allow the changes to take effect.
High security level only allows basic Internet functionality. Only Mail, News, Web, FTP, and
IPSEC are allowed. All other traffic is prohibited.
Like High security, Medium security only allows basic Internet functionality by default.
However, Medium security allows customization through NAT configuration so that you can
enable the traffic that you want to pass.
Low security setting will allow all traffic except for known attacks. With Low security, your
Gateway is visible to other computers on the Internet.
Maximum Security
(High):
Typical Security
(Medium):
Minimum Security
(Low):

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