PC Concepts Full-Rated Router ADSL2+ - Manual (Page 49)

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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.
VPI, VCI, and Mux Type: These settings identify a unique ATM data path for communication
between your ADSL/Ethernet router and your ISP
Max Proto per AAL5: 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.
Actions: Displays icons you can click on to modify ( ) and delete ( ) the associated
interface. You cannot delete an ATM interface if another protocol such as PPP, EoA, or IPoA
has been defined to operate over the ATM interface. Delete the higher-level interface first, and
then delete the ATM interface.
5.4.3 PPP
The Point-to-Point Protocol (PPP) is one of several protocols used to enable
communication between ISPs and their customers. PPP performs tasks such as the following:
¾ Identifying the type of service the ISP provides to a given customer.
¾ Identifying the customer to the ISP through a username and password login.
¾ Enabling the ISP to assign Internet information to the customer's computers.