MU9C8148-FC Просмотр технического описания (PDF) - Unspecified

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MU9C8148-FC

SRT Interface

Unspecified 

MU9C8148

FUNCTIONAL DESCRIPTION (CONT’D)

Type

Condition

Action

A prestored LIN-BN-LOUT combination is found in the RIF & Copy frame. Signal MAC Interface.

that LOUT has occurred only once in the RIF.

A prestored LIN-BN-LOUT combination is found in the RIF & Discard frame. Signal MAC Interface.

that LOUT has occurred more than one time in the RIF.

Increment DUPLOUT counter.

No prestored LIN-BN-LOUT combination is found in the RIF. Discard frame. Signal MAC Interface.

#RDs ≥ SRFRD

Discard frame. Signal MAC Interface.

Prestored LIN is found more than once in the RIF.

Discard frame. Signal MAC interface.

LTH = 2

Copy frame. Signal MAC Interface.

Last LOUT in RIF ≠ LIN, LTH ≠ 2

Discard frame. Signal MAC Interface.

Increment LANIDMISMATCH

counter.

#RDS ≥ ARERD

Discard frame. Signal MAC Interface.

Increment ARERDLIMITEXCEEDED

counter.

Not all prestored LOUTs in RIF

#RDS < ARERD

Copy frame. Signal MAC Interface.

All prestored LOUTs in RIF, LTH ≠ 2

LTH = 2

Discard frame. Signal MAC Interface.

.

Copy frame. Signal MAC Interface.

Last LOUT in RIF ≠ LIN, LTH ≠ 2

Discard frame, Signal MAC Interface.

Increment LANIDMISMATCH

counter.

#RDS ≥ STERD

Discard frame. Signal MAC Interface.

Increment STERDLIMITEXCEEDED

counter.

Not all prestored LOUTs in RIF

#RDS < STERD

Copy frame. Signal MAC Interface.

All prestored LOUTs in RIF, LTH ≠ 2

Discard frame. Signal MAC Interface.

Increment DUPLANIDORTREEERROR

counter.

Bit DISSTE = ONE

Discard frame. Signal MAC Interface.

Note: Signalling takes place at the end of the RIF. Discard actions overrule copy actions. The result of the SRB is

OR’ed with the result of Routine 2, whereby the copy action overrules.

Rev. 5.5 Draft web

Table 1: Source Routing Forwarding Conditions

6

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