Name: ADTRAN Total Access 600R
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Section 4 User Interface Guide Total Access 600R System Manual

L2 PROTOCOL (T1[0]) > PROTOCOL

Configure the L2 Protocol mode. Choices are PPP, FRE, and AUTO. The default is AUTO. Selecting AUTO

enables the Auto-config feature. Reference DLP-014, Unit Installation Using The Auto-Config Feature,

for more information.

L2 PROTOCOL (T1[0]) > PROTOCOL > PPP

Point-to-Point Protocol (PPP) is an 8-bit serial protocol which allows a PC to connect as a TCP/IP host to a

network through an asynchronous port. PPP is used for connection from a PC to an Internet Service

Provider (ISP) for Internet access. PPP works over synchronous and asynchronous circuits.

Router-to-router and host-to-network connections can be made via PPP. PPP includes error detection while

Serial Line Internet Protocol (SLIP) and other protocols do not.

L2 PROTOCOL (T1[0]) > PROTOCOL > FRE

Frame Relay is a switched data link layer protocol that handles multiple virtual circuits using High-Level

Data Link Control (HDLC) encapsulation. Frame Relay uses statistical multiplexing as opposed to

time-division-multiplexing to multiplex many logical connections over a single physical link. It contains a

cyclic redundancy check (CRC) for detecting bad data, but leaves the error correction algorithms to be

performed by the higher protocol layers. Similarly, Frame Relay uses simple congestion notification. This

notification in turn can alert higher-layer protocols to exercise flow control. These characteristics allow

Frame Relay to provide a more flexible and efficient use of bandwidth.

L2 PROTOCOL (T1[0]) > PROTOCOL > AUTO

Setting the L2 PROTOCOL to AUTO allows the unit to automatically detect the L2 PROTOCOL from the

network.

L2 PROTOCOL (T1[0] - PPP)

Configure the L2 PROTOCOL parameters and view the status of the T1 interface using PPP protocol from

this menu.

L2 PROTOCOL (T1[0] - PPP) > CONFIG

Configure the L2 PROTOCOL parameters for the T1 interface using PPP protocol.

L2 PROTOCOL (T1[0] - PPP) > CONFIG > MODE

Select the L2 PROTOCOL mode. Choices are ROUTE IP, BRIDGE ALL, and ROUTE IP/BRIDGE OTHER. The

Default is

ROUTE IP.

The L2 PROTOCOL must be set to AUTO in order to use the Auto-config feature. Reference

DLP-014, Unit Installation Using The Auto-Config Feature, for more information.

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