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Chapter 6: Configuring the ADSL2+ Gateway
The Setup - Basic Setup Tab
ADSL2+ Gateway with VoIP
VC Settings
You will configure your Virtual Circuit (VC) settings in this section.
Multiplexing
. Select
LLC
or
VC
, depending on your ISP.
QoS Type
. Select from the drop-down menu:
•
UBR
(Unspecific Bit Rate) for applications that are none-time sensitive, such as e-mail.
•
CBR
(Continuous Bit Rate) to specify fixed bandwidth for voice or data traffic.
•
VBR
(Variable Bite Rate) for bursty traffic and bandwidth-sharing with other applications.
Pcr Rate
. For the Peak Cell Rate, divide the DSL line rate by 424 to get the maximum rate the sender can send
cells. Enter the rate in the field (if required by your service provider).
Scr Rate
. The Sustain Cell Rate sets the average cell rate that can be transmitted. The SCR value is normally less
than the PCR value. Enter the rate in the field (if required by your service provider).
Autodetect
. Select
Enable
to have the settings automatically entered, or select
Disable
to enter the values
manually.
Virtual Circuit
. These fields consist of two items:
VPI
(Virtual Path Identifier) and
VCI
(Virtual Channel Identifier).
Your ISP will provide the correct settings for these fields.
DSL Modulation
. Select the appropriate DSL Modulation as provided by your ISP. The default is
Multimode
, other
available options are
T1.413
,
G.dmt
,
G.lite
,
ADSL2
, and
ADSL2+
.
IP Settings
Follow the instructions in the section for your type of encapsulation.
RFC 1483 Bridged
Dynamic IP
IP Settings
. Select
Obtain an IP Address Automatically
if your ISP says you are connecting through a
dynamic IP address.
Figure 6-3: RFC 1483 Bridged - Dynamic IP
NOTE:
ADSL, ADSL2, ADSL2+, Annex M, and
Annex L are automatically detected by the
DSLAM.