Avaya Using Technician Interface Scripts Instrukcja Użytkownika Pobierz pdf (Strona 617)

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State State of the line driver, as follows:

• Disabled – User has manually disabled the driver.

• Down – Driver is not operational.

• DSR Wait – External equipment, such as a modem, DSU, or CSU,

is not currently up and thus is not asserting a Data Set Ready

signal.

• Init – Driver is initializing.

• LMI Wait – Driver is waiting for any of four WAN protocols to

indicate that a link layer connection has been established to

another entity. This state applies to the Frame Relay, SMDS,

ATM, and PPP protocols.

• Not Pres – Driver is enabled but not yet started. This state occurs

for several reasons. For example, the Link Module may not be

physically present in the chassis. The software may be booting

and has not yet initialized the driver software. The slot may be

running diagnostics. Or there may be a problem with the

conﬁguration.

MAC Address Physical address of the line. The line driver ﬁlls this address in

from the 48-bit address stored in the serial number PROM for this

connector.

Line Number Line number for this line.

MTU Maximum transfer unit size — the buffer size for the SYNC port

(also the largest frame that can be transmitted or received across the

SYNC port). The value ranges from 3 to 4608 bytes.

WAN Protocol WAN protocol enabled on this interface, as follows:

• ATM – Asynchronous Transfer Mode protocol

• FRM RLAY – Frame Relay protocol

• PASSTHRU – Interface passes data through the network to a

SYNC interface conﬁgured for Pass Thru on another Bay

Networks router. IBM sites typically use this protocol to pass

proprietary SYNC data through a Bay Networks network.

• PPP – Point-to-Point Protocol

• SMDS – Switched Multi-Megabit Data Service protocol

• WF STND – Wellﬂeet Standard, a proprietary protocol used

between two Bay Networks routers. Based on the CCITT HDLC

(High-level Data Link Control) protocol, Wellﬂeet Standard

provides LLC1 (connectionless, datagram) service. This protocol

is sometimes referred to as Wellﬂeet Point-to-Point.

• X.25 – X.25 protocol

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