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46

Figure 4-40

¾

Packets Statistic Interval (5 ~ 60)

-

The default value is 10. Select a value

between 5 and 60 seconds in the pull-down list. The “Packets Statistic interval”

value indicates the time section of the packets statistic.

¾

DoS Protection

-

Enable or disable the DoS protection function. Only when it is

enabled, will the flood filters be effective.

¾

Enable ICMP-FLOOD Attack Filtering

-

Enable or disable the “ICMP-FLOOD

Attack Filtering”.

¾

ICMP-FLOOD Packets Threshold: (5 ~ 3600)

-

The default value is 50. Enter a

value between 5 and 3600 packets/s. When the current number of ICMP-FLOOD

packets is beyond the permitted value, the Router will start up the blocking function

immediately.

¾

Enable UDP-FLOOD Filtering

-

Enable or disable the “UDP-FLOOD Filtering”.

¾

UDP-FLOOD Packets Threshold: (5 ~ 3600)

-

The default value is 50. Enter a

value between 5 ~ 3600 packets/s. When the current number of UPD-FLOOD

Packets is beyond the permitted value, the router will start up the blocking function

immediately.

¾

Enable TCP-SYN-FLOOD Attack Filtering

-

Enable or disable the “TCP-SYN-

FLOOD Attack Filtering”.

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¾

TCP-SYN-FLOOD Packets Threshold: (5 ~ 3600)

-

The default value is 50. Enter

a value between 5 ~ 3600 packets/s. When the current number of

TCP-SYN-FLOOD

Packets is beyond the permitted value, the router will start up

the blocking function immediately.

¾

Ignore Ping Packet from WAN Port

-

Enable or disable “ignore ping packet from

WAN port”. The default is disabled. If enabled, the ping packet from the Internet

can not access the router.

¾

Forbid Ping Packet from LAN Port -

Enable or disable forbidding Ping Packet to

access the router from the LAN port. The default value is disabled. If enabled, the

ping packet from the LAN port can not access the router. (Defends against some

viruses)

Click the

Save

button to save the settings.

Click the

Blocked Dos Host List

button to view the blocked hosts.

4.7

Static Routing

Choose menu “

Static Routing

”, you can configure the static route on the next screen

(shown in Figure 4-41). A static route is a pre-determined path that network information

must travel to reach a specific host or network.

Figure 4-41

¾

Destination IP Address

-

The “Destination IP Address” is the address of the

network or host that you want to assign to a static route.

¾

Subnet Mask

-

The “Subnet Mask” determines which portion of an IP address is the

network portion, and which portion is the host portion.

¾

Default Gateway

-

This is the IP address of the gateway device that allows for

contact between the router and the network or host.

¾

Status

-

This field displays the status,

Enabled

means the rule is effective,

Disabled

means the rule is ineffective.

To add/modify a static routing entry:

Step 1:

Click

Add New…

/

Modify

shown in Figure 4-41, you will see a new screen

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shown in Figure 4-42.

Step 2:

Enter the appropriate Destination IP Address, Subnet Mask and Default

Gateway, and then select the status.

Figure 4-42

Step 3:

Click

Save

to make the entry take effect.

)

Note:

If you want to add more than one static route, please go to

step 1

to continue.

Other configurations for the entries as shown in Figure 4-30:

Click the

Delete

button to delete the entry.

Click the

Enable All

button to enable all the entries.

Click the

Disable All

button to disable all the entries.

Click the

Delete All

button to delete all the entries.

Click the

Previous

button to view the information on the previous screen,

click the

Next

button to view the information on the next screen.

4.8

IP QoS

Choose menu “

IP QoS

”, you can configure the IP QoS function on the next screen

(shown in Figure 4-43).

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Figure 4-43

¾

Enable IP QoS

-

Select this option to enable IP QoS function.

¾

Choose BandWidth Type -

Select the network connection type. You can select

ADSL

or

Other

.

¾

Bandwidth Apply -

Enter the bandwidth you get. If you are not clear about that,

please contact with your ISP for help.

¾

IP Range -

Set the IP range of this entry.

¾

Mode -

There are 2 types of mode:

Minimum Bandwidth Guarantee

and

Maximum Bandwidth Limit

.

¾

Bandwidth -

Set the bandwidth you supply to this entry.

¾

Description -

Enter the description of this entry.

¾

Enable -

Select this option to enable this entry.

)

Note:

1)

The conversion relation of bandwidth: 1Mbps = 1000Kbps.

2)

Please choose the Network Connection Type and set the bandwidth according

to your Network. If you are not clear about that, please contact with your ISP for

help.

3)

If no IP QoS item is enabled, the Bandwidth Apply won't be effective.

4)

IP address range for different entries could not have intersection with each

other.

5)

After the configurations, click the Save button for the change to take effect.

Other configurations for the entries as shown in Figure 4-43:

Click the

Clear

button to clear single entry.

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Click the

Clear All

button to clear all entries.

Click the

Save

button to save all configurations.

4.9

IP & MAC Binding

Choose menu “

IP & MAC Binding

”, you can see the submenus under the main menu:

Binding Setting

and

ARP List

.

Figure 4-44

Click any of them, and you will be able to configure the corresponding function. The

detailed explanations for each submenu are provided below.

4.9.1 Binding Setting

Choose menu “

IP & MAC Binding

→

Binding Setting

”, you can view and add IP & MAC

binding entries on the next screen (shown in Figure 4-45).

Figure 4-45

¾

MAC Address

-

This field displays the MAC address of the controlled computer in

the LAN.

¾

IP Address -

This field displays the assigned IP address of the controlled computer

in the LAN.

¾

Bind

-

Select Whether enable the arp binding or not. Only bind the MAC address

and IP address can the function take effect.

To add/modify an IP & MAC binding entry:

Step 1:

Click

Add New…

/

Modify

shown in Figure 4-45, you will see a new screen

shown in Figure 4-46.

Step 2:

Enter the MAC Address and IP Address in the corresponding field.