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NetComm 3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
YML42T
www.netcomm.com.au
Advanced Settings
LAN
This screen allows you to configure the Local Area Network (LAN) interface on your Router.
See the field descriptions below for more details.
PARAMETER
DEFINITION
IP Address
Enter the IP address for the LAN interface
Subnet Mask
Enter the subnet mask for the LAN interface
Enable IGMP Snooping
Enable by ticking the box
Standard Mode: In standard mode, multicast traffic will flood to all bridge ports when no client subscribes to a
multicast group.
Blocking Mode: In blocking mode, the multicast data traffic will be blocked. When there are no client
subscriptions to a multicast group, it will not flood to the bridge ports.
Enable LAN side Firewall
Select to enable the Firewall on the LAN side
Disable DHCP Server
Disables the DHCP server. Only to be done if Static IP address is set up
Enable DHCP Server
Select Enable DHCP server and enter your starting and ending IP addresses and the lease time. This setting
configures the router to automatically assign IP, default gateway and DNS server addresses to every DHCP
client on your LAN
Enable DHCP Server Relay
To relay DHCP requests from the subnet with no DHCP server on it to a DHCP server on other subnets. DHCP
Server Relay is disabled by default. To access enable DHCP relay, please un-tick NAT enable first, that means to
disable NAT first, and then press save button.
Configure the second IP Address
and Subnet Mask for LAN Interface
Configure a second IP address by ticking the checkbox shown below and enter the following information:
Enter the secondary IP address for the LAN interface.
Enter the secondary subnet mask for the LAN interface.
Click Apply/Save to save your new LAN settings.
Page 27 / 48
www.netcomm.com.au
27
TELSTRA ULTIMATE GATEWAY –
3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
NetComm 3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
YML42T
NAT
Port Forwarding
Port Forwarding allows you to direct incoming traffic from the Internet side (identified by Protocol and External port) to the internal
server with a private IP address on the LAN side. The Internal port is required only if the external port needs to be converted to a
different port number used by the server on the LAN side. A maximum of 32 entries can be configured.
To add a Virtual Server, click Add. The following screen will display.
PARAMETER
DEFINITION
Select a Service or Custom Server
User should select the service from the list or create a custom server and enter a name for the server
Server IP Address
Enter the IP address for the server.
External Port Start
Enter the starting external port number (when you select Custom Server). When a service is selected the port
ranges are automatically configured.
External Port End
Enter the ending external port number (when you select Custom Server). When a service is selected the port
ranges are automatically configured.
Protocol
User can select from: TCP, TCP/UDP or UDP.
Internal Port Start
Enter the internal port starting number (when you select Custom Server). When a service is selected the port
ranges are automatically configured
Internal Port End
Enter the internal port ending number (when you select Custom Server). When a service is selected the port
ranges are automatically configured.
Click Apply/Save to save the configured Virtual Server settings.
Page 28 / 48
28
NetComm 3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
YML42T
www.netcomm.com.au
Port Triggering
Some applications require specific ports in the Router’s firewall to be open for access by remote parties. Port Triggering opens up
the ‘Open Ports’ in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using the
‘Triggering Ports’.
The Router allows the remote party from the WAN side to establish new connections back to the application on the LAN side using
the ‘Open Ports’. A maximum 32 entries can be configured.
To add a Trigger Port, simply click Add. The following will be displayed.
PARAMETER
DEFINITION
Select an Application or Custom
Application
User should select the application from the list or the user can enter the name of their choice.
Trigger Port Start
Enter the starting trigger port number (when you select custom application). When an application is selected, the
port ranges are automatically configured.
Trigger Port End
Enter the ending trigger port number (when you select custom application). When an application is selected, the
port ranges are automatically configured.
Trigger Protocol
TCP, TCP/UDP or UDP.
Open Port Start
Enter the starting open port number (when you select custom application). When an application is selected, the
port ranges are automatically configured.
Open Port End
Enter the ending open port number (when you select custom application). When an application is selected, the
port ranges are automatically configured.
Open Protocol
TCP, TCP/UDP or UDP
Click Apply/Save to save the configured Port Trigger settings.
Page 29 / 48
www.netcomm.com.au
29
TELSTRA ULTIMATE GATEWAY –
3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
NetComm 3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
YML42T
DMZ Host
Your Router will forward IP packets from the Wide Area Network (WAN) that do not belong to any of the applications configured in
the Virtual Servers table to the DMZ host computer.
Enter the computer’s IP address and click Save/Apply to activate the DMZ host.
Clear the IP address field and click Save/Apply to deactivate the DMZ host.
Security
IP Filtering
The IP Filtering screen sets filter rules that limit incoming and outgoing IP traffic. Multiple filter rules can be set with at least one
limiting condition. All conditions must be fulfilled before individual IP packets can pass the filter.
Outgoing IP Filter
The default setting for Outgoing traffic is ACCEPTED. Under this condition, all outgoing IP packets that match the filter rules will be
BLOCKED.
To add a filtering rule, click Add. The following screen will display.
PARAMETER
DEFINITION
Filter Name
The filter rule label
Protocol
TCP, TCP/UDP, UDP or ICMP Source IP address
Source IP address
Enter source IP address Source Subnet Mask
Destination IP address
Enter source subnet mask
Source Port (port or port:port)
Enter source port number or port range
Destination IP address
Enter destination IP address
Destination Subnet Mask
Destination Subnet Mask
Destination port (port or port:port)
Enter destination port number or range
Click Apply/Save to save and activate the filter.
Page 30 / 48
30
NetComm 3G42WT – DC-HSPA+ 42Mbps Wi-Fi Router
YML42T
www.netcomm.com.au
Incoming IP Filter
The default setting for all Incoming traffic is BLOCKED. Under this condition only those incoming IP packets that match the filter
rules will be ACCEPTED.
To add a filtering rule, click Add. The following screen will display.
Please note: Refer to the Outgoing IP Filter table for field descriptions. The configuration steps are identical.
Click Apply/Save to save and activate the filter.
Parental Control
The Parental Control feature allows you to take advanced measures to ensure the computers connected to the LAN are used only
when and how you decide.
Time Restriction
This Parental Control allows you to restrict access from a Local Area Network (LAN) to an outside network through the Router on
selected days at certain times. Make sure to activate the Internet Time server synchronization as described in section 8.3 SNTP, so
that the scheduled times match your local time.
Click Add to display the following screen.

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