ZyXEL Communications VMG5313-B30A Guide de l'utilisateur télécharger pdf (Page 88)

Chapter 6 Broadband

VMG1312-B Series User’s Guide

The following table describes the labels in this screen.

Table 8 Routing Mode

LABEL DESCRIPTION

General

Active Select this to activate the WAN configuration settings.

Name Specify a descriptive name for this connection.

Type Select whether it is an ADSL/VDSL over PTM or ADSL over ATM connection.

Mode Select Routing if your ISP give you one IP address only and you want multiple computers to

share an Internet account.

Encapsulation Select the method of encapsulation used by your ISP from the drop-down list box. This

option is available only when you select Routing in the Mode field.

The choices depend on the connection type you selected. If your connection type is ADSL/

VDSL over PTM, the choices are PPPoE and IPoE. If your connection type is ADSL over

ATM, the choices are PPPoE, PPPoA, IPoE and IPoA.

IPv6/IPv4 Mode Select IPv4 Only if you want the Device to run IPv4 only.

Select IPv6/IPv4 DualStack to allow the Device to run IPv4 and IPv6 at the same time.

Select IPv6 Only if you want the Device to run IPv6 only.

ATM PVC Configuration (These fields appear when the Type is set to ADSL over ATM.)

VPI The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.

VCI The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local management of ATM

traffic). Enter the VCI assigned to you.

DSL Link Type This field is not editable. The selection depends on the setting in the Encapsulation field.

EoA (Ethernet over ATM) uses an Ethernet header in the packet, so that you can have

multiple services/connections over one PVC. You can set each connection to have its own

MAC address or all connections share one MAC address but use different VLAN IDs for

different services. EoA supports ENET ENCAP (IPoE), PPPoE and RFC1483/2684 bridging

encapsulation methods.

PPPoA (PPP over ATM) allows just one PPPoA connection over a PVC.

IPoA (IP over ATM) allows just one RFC 1483 routing connection over a PVC.

Encapsulation

Mode

Select the method of multiplexing used by your ISP from the drop-down list box. Choices

are:

• LLC/SNAP-BRIDGING: In LCC encapsulation, bridged PDUs are encapsulated by

identifying the type of the bridged media in the SNAP header. This is available only when

you select IPoE or PPPoE in the Select DSL Link Type field.

• VC/MUX: In VC multiplexing, each protocol is carried on a single ATM virtual circuit

(VC). To transport multiple protocols, the Device needs separate VCs. There is a binding

between a VC and the type of the network protocol carried on the VC. This reduces

payload overhead since there is no need to carry protocol information in each Protocol

Data Unit (PDU) payload.

• LLC/ENCAPSULATION: More than one protocol can be carried over the same VC. This

is available only when you select PPPoA in the Encapsulation field.

• LLC/SNAP-ROUTING: In LCC encapsulation, an IEEE 802.2 Logical Link Control (LLC)

header is prefixed to each routed PDU to identify the PDUs. The LCC header can be

followed by an IEEE 802.1a SubNetwork Attachment Point (SNAP) header. This is

available only when you select IPoA in the Encapsulation field.

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