22
<Sysname> system-view
[Sysname] interface Atm 3/1/1
[Sysname-Atm3/1/1] undo scramble
service cbr
Syntax
service
cbr
output-pcr
[
cdvt
cdvt-value
]
undo service
View
PVC view
Default level
2: System level
Parameters
output-pcr
: Peak cell rate (PCR) in kbps of outputting ATM cells. The value range of this argument varies
with interface types, as shown in the following table:
Table 6
Value ranges of the output-pcr argument
Interface type
Value range of output-pcr
ATM OC3/STM-1
64 to 155000
ATM OC12/STM-4
64 to 622000
cdvt-value
: Cell delay variation tolerance in
μ
s, in the range of 0 to 10,000. The default is 500
μ
s.
Description
Use the
service
cbr
command to specify the service type on the current PVC as constant bit rate (CBR).
Use the
undo service
command to restore the default.
The default service type of a PVC is UBR.
You can use this command to set the service type and rate parameters for a PVC. The new configuration
will overwrite the old configuration.
Setting of the argument
cdvt-value
does not take effect on the router.
Related commands:
service
vbr-nrt
,
service
vbr-rt
, and
service
ubr
.
Examples
# Create a PVC named
aa
, with the VPI/VCI of 1/101.
<Sysname> system-view
[Sysname] interface Atm 3/1/1
[Sysname-Atm3/1/1] pvc aa 1/101
# Specify the service type of the PVC as CBR, and set the PCR to 50000 kbps.
[Sysname-atm-pvc-Atm3/1/1-1/101-aa] service cbr 50000
