D-Link DIR-815 Router Manual PDF (Setup & Configuration Guide)

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56

D-Link DIR-815 User Manual

Section 3 - Conﬁguration

Use the Firewall Rules section to create/modify ﬁrewall rules.

Firewall Settings

Firewall Rules

Check the box on the left side to enable the ﬁrewall rule.

Enter a name to identify the ﬁrewall rule.

Use the drop-down menu to

Allow

or

Deny

transport of

the data packets according to the criteria deﬁned in the

ﬁrewall rule.

Use the

Source

drop-down menu to specify the interface

that connects to the source IP addresses of the ﬁrewall rule.

Enter the ﬁrst source IP address in the range in the adjacent

top

IP Address

ﬁeld.

Enter the last source IP address in the range in the

IP

Address

ﬁeld below.

Use the

Dest

drop-down menu to specify the interface that

connects to the destination IP addresses of the ﬁrewall rule.

Enter the ﬁrst destination IP address in the range in the

adjacent top

IP Address

ﬁeld.

Enter the last destination IP address in the range in the

IP

Address

ﬁeld below.

Enable Checkbox:

Name:

Action:

Source:

Dest:

Page 62 / 136

57

D-Link DIR-815 User Manual

Section 3 - Conﬁguration

When you have ﬁnished conﬁguring the ﬁrewall rules, click the

Save Settings

button at the top or bottom of the window to

save any changes made.

Select the protocol of the ﬁrewall port (All, TCP, UDP, or ICMP).

Enter the ﬁrst port of the range that will be used for the ﬁrewall rule in the top port range ﬁeld and enter the last port in the ﬁeld

underneath.

Use the drop-down menu to schedule the time that the Firewall rule will be enabled. The schedule may be set to Always, which will

allow the particular service to always be enabled. Click the

New Schedule

button to create your own times in the

Tools

>

Schedules

section.

Protocol:

Port Range:

Select Schedule:

Page 63 / 136

58

D-Link DIR-815 User Manual

Section 3 - Conﬁguration

To enable a route, check the box that is on the left side of

the route.

Use the drop-down menu to specify if the IP packet must

use the

WAN

or

LAN

interface to transit out of the Router.

Enter the IP address of the packets that will take this route.

Enter the subnet mask to specify the subnet of the IP

packets that will take this route.

Enter the next hop that will be taken if this route is used.

Enable:

Interface:

Destination:

Subnet Mask:

Gateway:

Routing

The Routing option is an advanced method of customizing speciﬁc routes of data through your network.

Click the

Save Settings

button to save any changes made.

Page 64 / 136

59

D-Link DIR-815 User Manual

Section 3 - Conﬁguration

Set the transmit power of the antennas.

Beacons are packets sent by an Access Point to

synchronize a wireless network. Specify a value. 100 is

the default setting and is recommended.

This value should remain at its default setting of 2346.

If inconsistent data flow is a problem, only a minor

modiﬁcation should be made.

The fragmentation threshold, which is speciﬁed in bytes,

determines whether packets will be fragmented. Packets

exceeding the 2346 byte setting will be fragmented

before transmission. 2346 is the default setting.

(Delivery Traﬃc Indication Message) 1 is the default setting. A DTIM is a countdown informing clients of the next window for listening

to broadcast and multicast messages.

Transmit Power:

Beacon Period:

RTS Threshold:

Fragmentation:

DTIM Interval:

Advanced Wireless Settings

802.11n/b/g (2.4GHz)

Use the radio buttons to specify whether the Router should use the

Short Preamble

or

Long Preamble

type. The preamble type

deﬁnes the length of the CRC (Cyclic Redundancy Check) block for communication between the Router and roaming wireless adapters.

Use the drop-down menu to specify the wireless mode that will be used by the 2.4GHz band. The available options are

802.11n only,

802.11 Mixed (g/b),

and

802.11 Mixed (n/g/b)

.

Use the drop-down menu to select the channel bandwidth. If you selected the

802.11 Mixed (g/b)

or

802.11 Mixed (n/g/b)

wireless

mode, the available options are

20 MHz

and

20/40MHz

. If selecting the

802.11n only

wireless mode,

20MHz

is the only available option.

Check this box to reduce the guard interval time therefore increasing the data capacity. However, it’s less reliable and may create

higher data loss.

Preamble Type:

Wireless Mode:

Band

Width:

Short

Guard Interval:

Click the

Save Settings

button to save any changes made.

Page 65 / 136

60

D-Link DIR-815 User Manual

Section 3 - Conﬁguration

Advanced Wireless Settings

802.11n/a (5GHz)

Set the transmit power of the antennas.

Beacons are packets sent by an Access Point to

synchronize a wireless network. Specify a value. 100 is

the default setting and is recommended.

This value should remain at its default setting of 2436.

If inconsistent data flow is a problem, only a minor

modiﬁcation should be made.

The fragmentation threshold, which is speciﬁed in bytes,

determines whether packets will be fragmented. Packets

exceeding the 2346 byte setting will be fragmented

before transmission. 2346 is the default setting.

(Delivery Traﬃc Indication Message) 1 is the default setting. A DTIM is a countdown informing clients of the next window for listening

to broadcast and multicast messages.

Transmit Power:

Beacon Period:

RTS Threshold:

Fragmentation

Threshold:

DTIM Interval:

Use the radio buttons to specify whether the Router should use the

Short Preamble

or

Long Preamble

type. The preamble type

deﬁnes the length of the CRC (Cyclic Redundancy Check) block for communication between the Router and roaming wireless adapters.

Use the drop-down menu to specify the wireless mode that will be used by the 5GHz band. The available options are

802.11a only,

802.11n only,

and

802.11 Mixed (a/n)

.

Use the drop-down menu to select the channel bandwidth. If you selected the

802.11n only

or

802.11 Mixed (a/n)

wireless mode, the

available options are

20 MHz

and

20/40MHz

. The channel bandwidth can not be set if selecting the

802.11a only

wireless mode.

Check this box to reduce the guard interval time therefore increasing the data capacity. However, it’s less reliable and may create

higher data loss. This setting is unavailable if using the

802.11a only

wireless mode.

Preamble Type:

Wireless Mode:

Band Width:

Short Guard

Interval:

Click the

Save Settings

button to save any changes made.

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