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UBR (Unspecified Bit Rate): When UBR is selected, the SCR and MBS fields are

disabled.

CBR (Constant Bit Rate): When CBR is selected, the SCR and MBS fields are

disabled.

nrt-VBR (non-real-time Variable Bit Rate): When nrt-VBR is selected, the SCR

and MBS fields are enabled.

rt-VBR (real-time Variable Bit Rate): When rt-VBR is selected, the SCR and

MBS fields are enabled.

PCR

Peak Cell Rate, measured in cells/sec., is the cell rate which the source may

never exceed.

CDVT

Cell Delay Variation Tolerance (CDVT) is a QoS parameter in ATM network for

managing traffic that is specified when a connection is set up. In CBR

transmissions, CDVT determines the level of jitter that is tolerable for the data

samples taken by the PCR.

SCR

Sustained Cell Rate, measured in cells/sec., is the average cell rate over the

duration of the connection.

MBS

Maximum Burst Size, a traffic parameter that specifies the maximum number

of cells that can be transmitted at the peak cell rate.

Function buttons in this page:

Apply Changes

Set new configuration. New parameters will take effect after save into flash memory and

reboot the system. See section “Admin” for save details.

Undo

Discard your settings.

4.5.3

ADSL Setting

The ADSL setting page allows you to select any combination of DSL training modes.

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Fields in this page:

Field

Description

ADSL modulation

Choose prefered xdsl standard protocols.

G.lite : G.992.2 Annex A

G.dmt : G.992.1 Annex A

T1.413 : T1.413 issue #2

ADSL2 : G.992.3 Annex A

ADSL2+ : G.992.5 Annex A

AnnexB Option

Enable/Disable ADSL2/ADSL2+ Annex B capability.

AnnexL Option

Enable/Disable ADSL2/ADSL2+ Annex L capability.

AnnexM Option

Enable/Disable ADSL2/ADSL2+ Annex M capability.

ADSL Capability

“Bitswap Enable” : Enable/Disable bitswap capability.

“SRA Enable” : Enable/Disable SRA (seamless rate adaptation)

capability.

Function buttons in this page:

Apply Changes

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Set new configuration. New parameters will take effect after save into flash memory and

reboot the system. See section “Admin” for save details.

4.6

Firewall Configuration

Firewall contains several features that are used to deny or allow traffic from passing through

the device.

4.6.1

IP/Port Filtering

The IP/Port filtering feature allows you to deny/allow specific services or applications in

the forwarding path.

Fields on the first setting block:

Field

Description

Outgoing Default

Action

Specify the default action on the LAN to WAN forwarding path.

Incoming Default

Action

Specify the default action on the WAN to LAN forwarding path.

Function button for first setting block:

Apply Changes

Set new configuration. New parameters will take effect after save into flash memory and

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reboot the system. See section “Admin” for save details.

Fields on the second setting block:

Field

Description

Direction

Traffic forwarding direction.

Protocol

There are 3 options available: TCP, UDP and ICMP.

Rule Action

Deny or allow traffic when matching this rule.

Source IP Address

The source IP address assigned to the traffic on which filtering is

applied.

Source Subnet Mask Subnet-mask of the source IP.

Source Port

Starting and ending source port numbers.

Destination IP

Address

The destination IP address assigned to the traffic on which filtering is

applied.

Destination Subnet

Mask

Subnet-mask of the destination IP.

Destination Port

Starting and ending destination port numbers.

Function buttons for second setting block:

ADD

Click to save the rule entry to the configuration.

Function buttons for the

Current Filter Table

:

Delete Selected

Delete selected filtering rules from the filter table. You can click the checkbox at the

Select

column to select the filtering rule.

Delete All

Delete all filtering rules from the filter table.

4.6.2

MAC Filtering

The MAC filtering feature allows you to define rules to allow or deny frames through the

device based on source MAC address, destination MAC address, and traffic direction.

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Fields on the first setting block:

Field

Description

Outgoing Default

Action

Specify the default action on the LAN to WAN bridging/forwarding path.

Incoming Default

Action

Specify the default action on the WAN to LAN bridging/forwarding path.

Function button for first setting block:

Apply Changes

Set new configuration. New parameters will take effect after save into flash memory and

reboot the system. See section “Admin” for save details.

Fields on the second setting block:

Field

Description

Direction

Traffic bridging/forwarding direction.

Rule Action

Deny or allow traffic when matching this rule.

Source MAC

Address

he source MAC address. It must be xxxxxxxxxxxx format. Blanks can be

used in the MAC address space and are considered as don’t care.

Destination MAC

The destination MAC address. It must be xxxxxxxxxxxx format. Blanks