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Table 8 Network Setting > Broadband > Add New WAN Interface/Edit (Routing Mode) (continued)
LABEL
Encapsulation
Service
Category
PPP Information (This is available only when you select PPPoE or PPPoA in the Mode field.)
PPP User Name
PPP Password
PPP Connection
Trigger
Idle Timeout
PPPoE
Passthrough
IP Address (This is available only when you select IPv4 Only or IPv6/IPv4 DualStack in the IPv6/IPv4
Mode field.)
MTU
Obtain an IP
Address
Automatically
VMG5313-B10A/-B30A Series User's Guide
DESCRIPTION
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 VMG 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.
Select UBR Without PCR or UBR With PCR for applications that are non-time sensitive,
such as e-mail.
Select CBR (Continuous Bit Rate) to specify fixed (always-on) bandwidth for voice or data
traffic.
Select Non Realtime VBR (non real-time Variable Bit Rate) for connections that do not
require closely controlled delay and delay variation.
Select Realtime VBR (real-time Variable Bit Rate) for applications with bursty connections
that require closely controlled delay and delay variation.
Enter the user name exactly as your ISP assigned. If assigned a name in the form
user@domain where domain identifies a service name, then enter both components exactly
as given.
Enter the password associated with the user name above. Select password unmask to
show your entered password in plain text.
Select when to have the VMG establish the PPP connection.
Auto Connect - select this to not let the connection time out.
Connect on Demand - select this to automatically bring up the connection when the
Device receives packets destined for the Internet.Manual - select this if you want to
manually trigger the connection up.
This value specifies the time in minutes that elapses before the router automatically
disconnects from the PPPoE server.
This field is not configurable if you select Auto Connect in the PPP Trigger Type field.
This field is available when you select PPPoE encapsulation.
In addition to the VMG's built-in PPPoE client, you can enable PPPoE pass through to allow up
to ten hosts on the LAN to use PPPoE client software on their computers to connect to the
ISP via the VMG. Each host can have a separate account and a public WAN IP address.
PPPoE pass through is an alternative to NAT for application where NAT is not appropriate.
Disable PPPoE pass through if you do not need to allow hosts on the LAN to use PPPoE client
software on their computers to connect to the ISP.
MTU
A static IP address is a fixed IP that your ISP gives you. A dynamic IP address is not fixed;
the ISP assigns you a different one each time you connect to the Internet. Select this if you
have a dynamic IP address.
Chapter 6 Broadband
73
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