Avaya Configuring ATM and MPLS Services Uživatelský manuál Strana 453

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Site Manager Parameters
117374-C Rev 00
A-87
Parameter: Xmt Sustainable Cell Rate
Path: Configuration Manager > Circuits > Edit Circuits > Edit > MPLS > LDP >
Default VC
Default: 0
Options: 0, 128 to 353207
Function: Specifies the upper limit of the ATM connection conforming average rate on the
transmitting side. The average rate equals the total number of cells transmitted,
divided by the duration of the connection. The default value, 0, indicates that the
transmit SCR is off.
Using the sustainable cell rate (SCR), you can define the future cell flow of a
VC in greater detail than by using only the peak cell rate.
The SCR maps directly to the minimum cell rate (MCR). The MCR defines the
minimum amount of guaranteed bandwidth allowed for the default VC on the
ATM line.
When setting the SCR, keep the following in mind:
To be useful, the SCR must not exceed the PCR.
If you know the average rate, set the SCR approximately 10 percent higher
than this value.
VCs may fail to operate with SCR values lower than 128 cells/s.
Entering 0 for the SCR turns off this function.
Instructions: After you determine the transmission rate of your ATM device, set the
sustainable cell rate within the specified range. Enter 0 to turn off this function.
MIB Object ID: 1.3.6.1.4.1.18.3.5.9.16.1.3.11
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