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Page 56 / 95 Scroll up to view Page 51 - 55
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
53
At the
Advanced > Firewall
tab, you can adjust:
•
Firewall Rules
- Enable or disable the Firewall.
•
Name
- Enter the name.
•
Action
- Allow or Deny.
•
Source
- Enter the IP Address range.
•
Destination
- Enter the IP Address range, the Protocol, and the Port Range.
•
Schedule
- Select Always or enter the Time Range.
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Page 57 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
54
Advanced > DMZ
If you have a client PC that cannot run Internet applications properly from behind the TM-
G5240, then you can set the client up for unrestricted Internet access. It allows a
computer to be exposed to the Internet. This feature is useful for gaming purposes. Enter
the IP address of the internal computer that will be the DMZ host. Adding a client to the
DMZ (Demilitarized Zone) may expose your local network to a variety of security risks, so
only use this option as a last resort.
At the
Advanced > DMZ
tab, you can adjust:
•
DMZ
- Enable or Disable the DMZ. The DMZ (Demilitarized Zone) allows a single
computer to be exposed to the internet. By default the DMZ is disabled.
•
IP Address
- Enter the IP Address of the computer to be in the DMZ.
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Page 58 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
55
Advanced > Performance
Displayed in this window are the Wireless Performance features for the Access Point
portion of the TM-G5240.
At the Advance > Performance tab, you can adjust:
•
Beacon Interval
- Beacons are packets sent by an Access Point to synchronize a
wireless network. Specify a value. 100 is the default setting and is recommended.
•
RTS Threshold
- This value should remain at its default setting of 2432. If incon-
sistent data flow is a problem, only a minor modification should be made.
•
Fragmentation
- The fragmentation threshold, which is specified in bytes, deter-
mines whether packets will be fragmented. Packets exceeding the 2346 byte
setting will be fragmented before transmission. 2346 is the default setting.
•
DTIM Interval
- (Delivery Traffic Indication Message) 3 is the default setting. A
DTIM is a countdown informing clients of the next window for listening to
broadcast and multicast messages.
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Page 59 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
56
•
Preamble Type
- Select
Short
or
Long Preamble
. The Preamble defines the
length of the CRC block (Cyclic Redundancy Check is a common technique for
detecting data transmission errors) for communication between the wireless router
and the roaming wireless network adapters. Auto is the default setting.
Note: High
network traffic areas should use the shorter preamble type.
•
Transmit Power (Mbps) -
TM-G5240 has the option to adjust its wireless transmit
power. Limiting transmit power can help in situations where you do not want the
same signals overlapping one another.
•
SSID Broadcast -
Enabled is the default setting. Choose Enabled to broadcast
the SSID across the network. All devices on the network must share the same
SSID (Service Set Identifier) to establish communication. Choose Disabled if you
do not wish to broadcast the SSID over the network.
•
802.11g Only Mode -
For increased speed in your network, enable this option.
802.11b devices will be excluded.
•
SPI Mode -
Stateful Packet Inspection (also known as dynamic packet filtering)
helps to prevent cyber attacks by tracking more state per session. It validates that
the traffic passing through the session conforms to the protocol.
•
WAN speed to 10/100 Mbps -
This option allows the user to select 10Mbps,
100Mbps, or 10Mbps/100Mbps Auto for the Internet port. You may need to change
the Internet port speed if you are experiencing connection problems with your
Cable, or DSL modem.
•
CTS -
Clear To Send is a function used to minimize collisions among wireless
devices on a wireless local area network (LAN). CTS will make sure the wireless
network is clear before a wireless client attempts to send wireless data. Enabling
CTS will add overhead and may lower wireless throughput.
Auto -
CTS will monitor the wireless network and automatically decide whether to
implement CTS based on the amount of traffic and collisions that occurs on the
wireless network.
Always -
CTS will always be used to make sure the wireless LAN is clear before
sending data.
None -
CTS is typically used in a pure 802.11g environment. If CTS is set to
None
in a mixed mode environment populated by 802.11b clients, wireless collisions
may occur frequently.
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Page 60 / 95
T-Mobile TM-G5240 Wireless Router User Manual
Version 0.7 041807
57
Tools tab
Tools > Admin
At this page, the TM-G5240 administrator can change the system password. There are
two accounts that can access the wireless router’s Web-Management interface. They are
admin and user. Admin has read/write access while user has read-only access. User can
only view the settings but cannot make any changes.
At the
Tools > Admin
tab, you can adjust:
•
Administrator
–
admin
is the Administrator login name.
•
Password
– Enter the password and enter again to confirm.
•
User
–
user
is the User login name.
•
Remote management
– Remote management allows the TM-G5240 to be
configured from the Internet by a web browser. A username and password is still
required to access the Web-Management interface. In general, only a member of
your network can browse the built-in web pages to perform Administrator tasks.
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