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R0106-HP MSR Router Series Layer 2 - WAN Command Reference(V7)

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service vbr-nrt
Use service vbr-nrt to specify the PVC service type as VBR-NRT, and specify the related parameters.
Use undo service to restore the default.
Syntax
service vbr-nrt output-pcr output-scr output-mbs
undo service
Default
The service type of a PVC is UBR. The peak output rate of ATM cells equals to the maximum bandwidth
of the interface to which the PVC belongs.
Views
PVC view, PVC view in a PVC-group
Predefined user roles
network-admin
Parameters
output-pcr: Specifies the peak output rate of ATM cells in kbps. For more information about the value
range, see Table 41.
output
-scr: Specifies the sustainable output rate of ATM cells in kbps. Its value ranges are the same as
those of the output-pcr argument, and its value equals to or is smaller than that of the output-pcr
argument.
output-mbs: Specifies the maximum burst size for ATM cells (maximum number of ATM cells that the
output interface can cache). The value range for this argument is 1 to 512.
Usage guidelines
You can use this command as well as the service cbr, service ubr, and service vbr-rt commands to set the
service type and rate of a PVC. A newly configured PVC service type overwrites the existing one.
Examples
# Create a PVC named aa on interface ATM 2/4/0, specifying its VPI/VCI value as 1/101, service type
as VBR-NRT, peak output cell rate as 100000 kbps, sustainable cell rate as 50000 kbps, and maximum
burst size as 320 cells.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-aa-1/101] service vbr-nrt 100000 50000 320
# Create a PVC named aa in PVC-group 1, specifying its VPI/VCI value as 1/101, service type as
VBR-NRT, peak output cell rate as 100000 Kbps, sustainable cell rate as 50000 kbps, and maximum
burst size as 320 cells.
<Sysname> system-view
[Sysname] interface atm 2/4/0
[Sysname-ATM2/4/0] pvc-group 1
[Sysname-ATM2/4/0-pvc-group-1] pvc aa 1/101
[Sysname-ATM2/4/0-pvc-group-1-pvc-aa-1/101] service vbr-nrt 100000 50000 320