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ATU-R130 ADSL Ethernet Router User' s Guide
9
Configuring the ATM VCC
As your LAN computers access the Internet via the ATU-R130, data is exchanged with your ISP
through a complex network of telephone switches, Internet routers, servers, and other specialized
hardware. These various devices communicate using a common language, or protocol, called
Asynchronous Transfer Mode{ XE "Asynchronous Transfer Mode" \t "See ATM" } (ATM). On the
Wide Area Network (WAN) that connects you to your ISP, the ATM protocol performs functions
like those that the Ethernet protocol performs on your LAN. { XE "ATM:defined" }
This chapter describes how to configure the ATM virtual channel connection (VCC). The VCC
properties define the path the ATU-R130 uses to communicate with your ISP over the ATM
network.
Viewing{ XE "ATM:viewing configuration" } Your ATM VC Setup
To view your current configuration, log into Configuration Manager, click the WAN tab, and then
ATM VCC
click
in the task bar. The ATM VCC Configuration page displays, as shown in Figure 34.
Figure 33. ATM VCC Configuration Page{ XE "Pages:ATM VCC Configuration" } { XE "ATM VCC
The ATM VCC Configuration table displays the following fields (contact your ISP to determine
these settings):
Field
Interface
Vpi, Vci, and Mux
Type
Max Proto per
AAL5
Actions
44
Configuration page" }
Description
The name of the lower-level interface on which
this VC operates. The low-level interface names
are preconfigured in the software and identify the
type of traffic that can be supported, such as data
or voice. Internet data services typically use an
AAL5-type interface.
These settings identify a unique ATM data path for
communication between your ADSL/Ethernet
router and your ISP.
If you are using an AAL5-type of interface, this
setting indicates the number of higher-level
interfaces that the VC can support (the higher
level interfaces can be PPP, EoA, or IPoA
interfaces). Contact your ISP to determine which
connection protocol(s) they require.
Displays an icon (
) you can click on to delete
the associated interface.
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