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312 CHAPTER 19: ATM CONFIGURATION COMMANDS
Parameter output-pcr: Peak rate of ATM cell output in kbps. For the value ranges of this
parameter, see Table 30.
output-scr: Sustainable rate of ATM cell output in kbps. Its value ranges are the
same as those of output-pcr.
output-mbs: Maximum burst size for ATM cell output, that is, the maximum
number of ATM cells that the output interface can cache. The value ranges from 1
to 512.
Description Use the
service vbr-nrt command to specify the service type of PVC as variable
bit rate-non real time (VBR-NRT) and specify the related rate parameters.
By default, the service type is UBR after creating a PVC.
You can use this command as well as the service ubr, service vbr-rt and service
cbr commands to set the service type and rate-related parameters of a PVC. A
newly configured PVC service type overwrites the existing one.
Related command: service ubr, service vbr-rt, and service cbr.
Example # Create a PVC named “aa”, with the VPI/VCI value of 1/101.
<Sysname> system-view
[Sysname] interface atm 1/0
[Sysname-Atm1/0] pvc aa 1/101
# Specify the service type of the PVC as VBR-NRT and set the peak bit rate of ATM
cell to 100,000 kbps, the sustainable bit rate to 50,000 kbps and the maximum
burst size to 320 cells.
[Sysname-atm-pvc-Atm1/0-1/101-aa] service vbr-nrt 100000 50000 320
service vbr-rt
Syntax service vbr-rt output-pcr output-scr output-mbs
View PVC view/ATM Class view
Parameter output-pcr: Peak cell rate of ATM output in kbps. For the value ranges of this
parameter, see Table 30.
output-scr: Sustainable cell rate of ATM output in kbps. Its value ranges are the
same as those of output-pcr.
output-mbs: Maximum burst size of ATM cell output, that is, the maximum cache
size of ATM cell output at the interface in cell number. The range of the value is 1
to 512. When it is used in ATM E3 interface, the range of the parameter is 1 to
512.